Quality Control Solutions Ltd (Page 1) @ ChemBuyersGuide.com, Inc.

Benzylpenicillin Sodium Cp Impurity L
CAS:N/A
Formula: C26H29N3O7S
RM-B052512
527.59
2-(carboxy(2-phenylacetamido)methyl)-5,5-dimethyl-3-(2-(2-phenylacetamido)acetyl)thiazolidine-4-carboxylic acid

Benzylpenicillin Sodium EP Impurity C; Benzylpenicillin (Benzathine) Tetrahydrate EP Impurity G
CAS:5985-13-7(Na salt)
Formula: C16H18N2O5S
RM-B052503
350.39
(2S,5R,6R)-6-(2-(4-hydroxyphenyl)acetamido)-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid

Benzylpenicillin Sodium EP Impurity D; Benzylpenicillin (Benzathine) Tetrahydrate EP Impurity D
CAS:13093-87-3
Formula: C16H18N2O4S
RM-B052504
334.39
(3S,7R,7aR)-5-Benzyl-2,2-dimethyl-2,3,7,7a-tetrahydroimidazo[5,1-b]thiazole-3,7-dicarboxylic acid

Benzylpenicillin Sodium EP Impurity E; Benzylpenicillin (Benzathine) Tetrahydrate EP Impurity E
CAS:N/A
Formula: C16H20N2O5S
RM-B052505
352.41
(4S)-2-(Carboxy(2-phenylacetamido)methyl)-5,5-dimethylthiazolidine-4-carboxylic acid

Benzylpenicillin Sodium EP Impurity F; Benzylpenicillin (Benzathine) Tetrahydrate EP Impurity F
CAS:N/A
Formula: C15H20N2O3S
RM-B052506
308.4
(4S)-5,5-dimethyl-2-((2-phenylacetamido)methyl)thiazolidine-4-carboxylic acid

BENZYLPENICILLOIC ACID
CAS:13057-98-2
Formula: C16H20N2O5S
RM-B052530
352.41
2-(carboxy(2-phenylacetamido)methyl)-5,5-dimethylthiazolidine-4-carboxylic acid

Bepotastine Impurity 16
CAS:N/A
Formula: C27H35ClN2O5
RM-B051516
503.04
(S)-4-(4-((4-chlorophenyl)(pyridin-2-yl)methoxy)-1-(4-ethoxy-4-oxobutyl)piperidin-1-ium-1-yl)butanoate

BEPOTASTINE IMPURITY 9
CAS:N/A
Formula: C21H25ClN2O4
RM-B051509
404.89
(S)-2-(((1-(3-carboxypropyl)piperidin-4-yl)oxy)(4-chlorophenyl)methyl)pyridine 1-oxide

BERAPROST IMPURITY 3
CAS:N/A
Formula: C24H30O5
RM-B053203
398.5
4-((1R,2R,3aS,8bS)-2-hydroxy-1-((3S,Z)-3-hydroxy-4-methyloct-1-en-6-yn-1-yl)-2,3,3a,8b-tetrahydro-1H-cyclopenta[b]benzofuran-5-yl)butanoic acid

BERAPROST IMPURITY 4
CAS:N/A
Formula: C24H30O5
RM-B053204
398.5
4-((1R,2R,3aS,8bS)-2-hydroxy-1-((3R,4R,E)-3-hydroxy-4-methyloct-1-en-6-yn-1-yl)-2,3,3a,8b-tetrahydro-1H-cyclopenta[b]benzofuran-5-yl)butanoic acid

Beraprost Impurity 8
CAS:N/A
Formula: C24H28O5
RM-B053208
396.48
4-((1R,2R,3aS,8bS)-2-hydroxy-1-((R,E)-4-methyl-3-oxooct-1-en-6-yn-1-yl)-2,3,3a,8b-tetrahydro-1H-cyclopenta[b]benzofuran-5-yl)butanoic acid

BERBERINE IMPURITY 5
CAS:N/A
Formula: C20H18ClNO4
RM-B051805
371.81
10,11-dimethoxy-6,7-dihydro-[1,3]dioxolo[4,5-h]isoquinolino[3,2-a]isoquinolin-8-ium chloride

BERBERINE IMPURITY 8
CAS:16705-03-6
Formula: C19H18ClNO4
RM-B051808
359.8
2,3-dihydroxy-9,10-dimethoxy-5,6-dihydroisoquinolino[3,2-a]isoquinolin-7-ium chloride

BERBERRUBINE
CAS:15401-69-1
Formula: C19H16ClNO4
RM-B050200
357.79
9-hydroxy-10-methoxy-5,6-dihydro-[1,3]dioxolo[4,5-g]isoquinolino[3,2-a]isoquinolin-7-ium chloride

BETAHISTINE EP IMPURITY C TRIHCL
CAS:2095467-43-7
Formula: C15H19N3*3HCl
RM-B200803
N-methyl-2-(pyridin-2-yl)-N-(2-(pyridin-2-yl)ethyl)ethan-1-amine trihydrochloride

BETAHISTINE IMPURITY 4
CAS:88796-99-0
Formula: C8H12N2O
RM-B200804
152.19
2-(2-(methylamino)ethyl)pyridine 1-oxide

BETAHISTINE IMPURITY 6
CAS:6304-27-4
Formula: C9H14N2
RM-B200806
150.22
N,N-dimethyl-2-(pyridin-2-yl)ethanamine

BETAMETHASONE DIPROPIONATE
CAS:5593-20-4
Formula: C28H37FO7
RM-B200100
504.59
(8S,9R,10S,11S,13S,14S,16S,17R)-9-fluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-17-(2-(propionyloxy)acetyl)-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate

Betamethasone Dipropionate EP Impurity B; Clobetasol Propionate EP Impurity A
CAS:5534-13-4
Formula: C25H33FO6
RM-B200102
448.52
(8S,9R,10S,11S,13S,14S,16S,17R)-9-fluoro-11-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate

Betamethasone Dipropionate EP Impurity C; Clobetasol Propionate EP Impurity K
CAS:75883-07-7
Formula: C25H33FO6
RM-B200103
448.52
2-((8S,9R,10S,11S,13S,14S,16S,17R)-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl propionate

BETAMETHASONE DIPROPIONATE EP IMPURITY D
CAS:5514-81-8
Formula: C27H35FO7
RM-B200104
490.56
(8S,9R,10S,11S,13S,14S,16S,17R)-17-(2-acetoxyacetyl)-9-fluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate

Betamethasone Dipropionate EP Impurity E; Beclometasone Dipropionate
CAS:5534-09-8
Formula: C28H37ClO7
RM-B200105
521.04
(8S,9R,10S,11S,13S,14S,16S,17R)-9-chloro-11-hydroxy-10,13,16-trimethyl-3-oxo-17-(2-(propionyloxy)acetyl)-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate

Betamethasone Dipropionate EP Impurity F; Beclometasone Dipropionate EP Impurity J
CAS:66917-44-0
Formula: C28H36O7
RM-B200106
484.58
2-oxo-2-((4aS,4bS,5aS,6aS,7R,8S,9aS,9bS)-4a,6a,8-trimethyl-2-oxo-7-(propionyloxy)-2,4a,5a,6,6a,7,8,9,9a,9b,10,11-dodecahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-7-yl)ethyl propionate

BETAMETHASONE DIPROPIONATE EP IMPURITY G
CAS:1186048-33-8
Formula: C31H41FO8
RM-B200107
560.65
(8S,9R,10S,11S,13S,14S,16S,17R)-9-fluoro-10,13,16-trimethyl-3-oxo-17-(2-(propionyloxy)acetyl)-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-11,17-diyl dipropionate

BETAMETHASONE DIPROPIONATE EP IMPURITY H
CAS:2575516-37-7
Formula: C28H36BrFO7
RM-B200108
583.48
(6S,8S,9R,10S,11S,13S,14S,16S,17R)-6-bromo-9-fluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-17-(2-(propionyloxy)acetyl)-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl propionate

BETAMETHASONE DIPROPIONATE EP IMPURITY I
CAS:80163-83-3
Formula: C28H39FO7
RM-B200109
506.61
(8S,9R,10S,11S,13S,14S,16S,17R)-9-fluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-17-(2-(propionyloxy)acetyl)-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl propionate

Betamethasone EP Impurity A; Dexamethasone Acetate EP Impurity A; Dexamethasone; Dexamethasone Sodium Phosphate EP Impurity A
CAS:50-02-2
Formula: C22H29FO5
RM-B201301
392.46
(8S,9R,10S,11S,13S,14S,16R,17R)-9-fluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one

Betamethasone EP Impurity B; Clobetasol Propionate EP Impurity G
CAS:25122-41-2
Formula: C22H28ClFO4
RM-B201302
410.91
(8S,9R,10S,11S,13S,14S,16S,17R)-17-(2-chloroacetyl)-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one

BETAMETHASONE EP IMPURITY C
CAS:13504-15-9
Formula: C22H28O4
RM-B201303
356.46
(8S,10S,13S,14S,16S,17R)-17-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,8,10,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-3-one

BETAMETHASONE EP IMPURITY F
CAS:330157-04-5
Formula: C22H28O4
RM-B201306
356.46
(8S,9S,10R,13S,14S,16S,17R)-17-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,8,9,10,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-3-one

BETAMETHASONE EP IMPURITY G
CAS:85700-75-0
Formula: C22H30O5
RM-B201307
374.47
(8S,9S,10R,11R,13S,14S,16S,17R)-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one

BETAMETHASONE EP IMPURITY H
CAS:185613-71-2
Formula: C22H29FO5
RM-B201308
392.46
(8S,9R,10R,11S,13R,14S,16S,17R)-14-fluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one

BETAMETHASONE EP IMPURITY I
CAS:185613-69-8
Formula: C22H29FO5
RM-B201309
392.46
(8S,9R,10R,11S,13S,14R,16S,17R)-8-fluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one

BETAMETHASONE EP IMPURITY J
CAS:18383-24-9
Formula: C22H30O4
RM-B201310
358.47
(8R,9S,10R,13S,14S,16S,17R)-17-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one

Betamethasone Impurity 112
CAS:25122-45-6
Formula: C24H30ClFO5
RM-B201512
452.95
(8S,9R,10S,11S,13S,14S,16S,17R)-17-(2-chloroacetyl)-9-fluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl acetate

BETAMETHASONE IMPURITY 18
CAS:52647-07-1
Formula: C22H27FO4
RM-B201318
374.45
(E)-2-((8S,9R,10S,11S,13S,14S,16S)-9-fluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-7,8,9,11,12,13,15,16-octahydro-3H-cyclopenta[a]phenanthren-17(6H,10H,14H)-ylidene)-2-hydroxyacetaldehyde

BETAMETHASONE IMPURITY 19
CAS:37926-75-3
Formula: C21H27FO5
RM-B201319
378.43
(8S,9R,10S,11S,13S,14S,16S,17R)-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylic acid

BETAMETHASONE IMPURITY 25
CAS:52647-06-0
Formula: C22H27FO4
RM-B201325
374.45
(Z)-2-((8S,9R,10S,11S,13S,14S,16S)-9-fluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-7,8,9,11,12,13,15,16-octahydro-3H-cyclopenta[a]phenanthren-17(6H,10H,14H)-ylidene)-2-hydroxyacetaldehyde

BETAMETHASONE IMPURITY 26
CAS:1155886-49-9
Formula: C22H29FO5
RM-B201326
392.46
2-((8S,9R,10S,11S,13S,14S,16S)-9-fluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-hydroxyacetic acid

BETAMETHASONE IMPURITY 40
CAS:N/A
Formula: C22H27ClO3
RM-B201340
374.9
(8S,10S,13S,14S,16S,17R)-17-(2-chloroacetyl)-17-hydroxy-10,13,16-trimethyl-6,7,8,10,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-3-one

BETAMETHASONE IMPURITY 45
CAS:1202002-01-4
Formula: C22H30FO8P
RM-B201345
472.45
((1S,3S,4aS,4bS,10aS,10bR,11S,12aS)-10b-fluoro-1,11-dihydroxy-3,10a,12a-trimethyl-2,8-dioxo-1,2,3,4,4a,4b,5,6,8,10a,10b,11,12,12a-tetradecahydrochrysen-1-yl)methyl dihydrogen phosphate

BETAMETHASONE IMPURITY 46
CAS:1202001-99-7
Formula: C22H30FO8P
RM-B201346
472.45
((1R,3S,4aS,4bS,10aS,10bR,11S,12aS)-10b-fluoro-1,11-dihydroxy-3,10a,12a-trimethyl-2,8-dioxo-1,2,3,4,4a,4b,5,6,8,10a,10b,11,12,12a-tetradecahydrochrysen-1-yl)methyl dihydrogen phosphate

BETAMETHASONE IMPURITY 53
CAS:N/A
Formula: C22H29O8P
RM-B201353
452.44
2-((4aS,4bS,5aS,6aS,7R,8S,9aS,9bS)-7-hydroxy-4a,6a,8-trimethyl-2-oxo-2,4a,5a,6,6a,7,8,9,9a,9b,10,11-dodecahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-7-yl)-2-oxoethyl dihydrogen phosphate

BETAMETHASONE IMPURITY 59
CAS:N/A
Formula: C22H29ClO3
RM-B201359
376.92
(10S,13S,16S,17R)-17-(2-chloroacetyl)-17-hydroxy-10,13,16-trimethyl-1,2,6,7,8,10,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one

BETAMETHASONE IMPURITY 60
CAS:N/A
Formula: C24H32O5
RM-B201360
400.52
2-((10S,13S,16S,17R)-17-hydroxy-10,13,16-trimethyl-3-oxo-2,3,6,7,8,10,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate

BETAMETHASONE IMPURITY 62
CAS:N/A
Formula: C24H30O5
RM-B201362
398.5
2-((10S,13S,16S,17R)-17-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,10,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate

BETAMETHASONE IMPURITY 67
CAS:N/A
Formula: C22H30O5
RM-B201367
374.48
(4aS,6aS,7R,8S,9aS,9bS)-7-hydroxy-7-(2-hydroxyacetyl)-4a,6a,8-trimethyl-4,4a,5a,6,6a,7,8,9,9a,9b,10,11-dodecahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-2(3H)-one

Betamethasone Impurity 73
CAS:N/A
Formula: C24H30O6
RM-B201373
414.5
2-((4aS,4bS,5aS,6aS,7R,8R)-7-hydroxy-4a,6a,8-trimethyl-2-oxo-2,4a,5a,6,6a,7,8,9,9a,9b,10,11-dodecahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-7-yl)-2-oxoethyl acetate

Betamethasone Impurity 74
CAS:N/A
Formula: C22H30O5
RM-B201374
374.48
(4aS,4bS,5aS,6aS,7R,8R)-7-hydroxy-7-(2-hydroxyacetyl)-4a,6a,8-trimethyl-4,4a,5a,6,6a,7,8,9,9a,9b,10,11-dodecahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-2(3H)-one

Betamethasone Impurity 77
CAS:N/A
Formula: C22H28FO7P
RM-B201377
454.43
2-((8S,9R,10S,11S,13S,14S)-9-fluoro-11-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15-decahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl dihydrogen phosphate

Betamethasone Impurity 92
CAS:13796-49-1
Formula: C24H31BrO6
RM-B201392
495.41
Pregna-1,4-diene-3,20-dione, 21-(acetyloxy)-9-bromo-11,17- dihydroxy-16-methyl-, (11�,16a)-; 2-((8S,9R,10S,11S,13S,14S,16R,17R)-9-bromo-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)

Betamethasone Impurity 96
CAS:N/A
Formula: C25H31BRO7
RM-B201396
523.42
2-((9R,10S,11S,13S,16S,17R)-9-bromo-11-(formyloxy)-17-hydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate

Betamethasone Impurity 97
CAS:N/A
Formula: C24H30O6
RM-B201397
414.5
2-((4aS,4bS,5aS,6aS,7R,8S)-7-hydroxy-4a,6a,8-trimethyl-2-oxo-2,4a,5a,6,6a,7,8,9,9a,9b,10,11-dodecahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-7-yl)-2-oxoethyl acetate

Betamethasone Impurity 99
CAS:59860-99-0
Formula: C22H27FO4
RM-B201399
374.45
(8S,9R,10S,11S,13S,14S)-9-fluoro-11-hydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,8,9,10,11,12,13,14,15-decahydro-3H-cyclopenta[a]phenanthren-3-one

BETAMETHASONE-17-KETONE
CAS:3109-01-1
Formula: C20H25FO3
RM-B201320
332.41
(8S,9R,10S,11S,13S,14S,16S)-9-fluoro-11-hydroxy-10,13,16-trimethyl-7,8,9,10,11,12,13,14,15,16-decahydro-3H-cyclopenta[a]phenanthrene-3,17(6H)-dione

BETAXOLOL EP IMPURITY A
CAS:67193-95-7
Formula: C14H23NO2
RM-B050101
237.34
1-(4-ethylphenoxy)-3-(isopropylamino)propan-2-ol

BETAXOLOL EP IMPURITY C
CAS:63659-17-6
Formula: C15H20O3
RM-B050103
248.32
2-((4-(2-(Cyclopropylmethoxy)ethyl)phenoxy)methyl)oxirane

BETAXOLOL EP IMPURITY E
CAS:1329613-85-5
Formula: C18H31NO3
RM-B050105
309.44
1-(4-(2-butoxyethyl)phenoxy)-3-(isopropylamino)propan-2-ol

Betaxolol Impurity 7(R-Betaxolol)
CAS:N/A
Formula: C18H29NO3
RM-B050107
307.43
(R)-1-(4-(2-(cyclopropylmethoxy)ethyl)phenoxy)-3-(isopropylamino)propan-2-ol

Betaxolol Impurity 8
CAS:N/A
Formula: C18H31NO3
RM-B050108
309.45
(S)-1-(4-(2-butoxyethyl)phenoxy)-3-(isopropylamino)propan-2-ol

Biapenem Impurity 10
CAS:90776-59-3
Formula: C29H27N2O10P
RM-B091610
594.51
4-nitrobenzyl (4R,5R,6S)-3-((diphenoxyphosphoryl)oxy)-6-((R)-1-hydroxyethyl)-4-methyl-7-oxo-1-azabicyclo[3.2.0]hept-2-ene-2-carboxylate

Biapenem Impurity 12
CAS:1426393-68-1
Formula: C30H36N8O8S2
RM-B091612
700.79
(4R,5S)-5-((1S,2R)-1-carboxylato-2-hydroxypropyl)-3-((6,7-dihydro-5H-pyrazolo[1,2-a][1,2,4]triazol-4-ium-6-yl)thio)-1-((4R,5S,6S)-3-((6,7-dihydro-5H-pyrazolo[1,2-a][1,2,4]triazol-4-ium-6-yl)thio)-6-((R)-1-hydroxyethyl)-4-methyl-7-oxo-1-azabicyclo[3.2.0]he

Biapenem Impurity 15
CAS:N/A
Formula: C15H20N4O5S
RM-B091615
368.41
(3R)-2-((3R)-5-carboxy-4-((6,7-dihydro-5H-pyrazolo[1,2-a][1,2,4]triazol-4-ium-6-yl)thio)-3-methyl-2,3-dihydro-1H-pyrrol-2-yl)-3-hydroxybutanoate

BIAPENEM IMPURITY 5
CAS:N/A
Formula: C16H20N4O6S
RM-B091605
396.42
(4R,5S)-5-((1S,2R)-1-carboxy-2-hydroxypropyl)-3-((6,7-dihydro-5H-pyrazolo[1,2-a][1,2,4]triazol-4-ium-6-yl)thio)-1-formyl-4-methyl-4,5-dihydro-1H-pyrrole-2-carboxylate

Biapenem Impurity B Dimer
CAS:1080648-58-3
Formula: C30H36N8O8S2
RM-B091614
700.79
(2S,2'S,3R,3'R)-2,2'-((2R,3S,7R,8S)-1,6-bis((6,7-dihydro-5H-pyrazolo[1,2-a][1,2,4]triazol-4-ium-6-yl)thio)-2,7-dimethyl-5,10-dioxo-2,7,8,10-tetrahydro-3H,5H-dipyrrolo[1,2-a:1',2'-d]pyrazine-3,8-diyl)bis(3-hydroxybutanoate)

BICALUTAMIDE EP IMPURITY C
CAS:906008-94-4
Formula: C18H14F4N2O3S
RM-B030903
414.37
Deshydroxy Bicalutamide; N-(4-cyano-3-(trifluoromethyl)phenyl)-3-((4-fluorophenyl)sulfonyl)-2-methylpropanamide

BICALUTAMIDE EP IMPURITY F
CAS:N/A
Formula: C18H14F4N2O3S
RM-B031211
414.37
rel-(S)-N-(4-cyano-3-(trifluoromethyl)phenyl)-3-((R)-(4-fluorophenyl)sulfinyl)-2-hydroxy-2-methylpropanamide

BICYCLOL IMPURITY D
CAS:205117-47-1
Formula: C19H16O10
RM-B032504
404.32
7,7'-dimethoxy-5'-(methoxycarbonyl)-[4,4'-bibenzo[d][1,3]dioxole]-5-carboxylic acid

BICYCLOL IMPURITY E
CAS:79279-08-6
Formula: C18H18O8
RM-B032505
362.33
(7,7'-dimethoxy-[4,4'-bibenzo[d][1,3]dioxole]-5,5'-diyl)dimethanol

BIFONAZOLE EP IMPURITY A
CAS:7598-80-3
Formula: C19H16O
RM-B090601
260.33
[1,1'-Biphenyl]-4-yl(phenyl)methanol

BIFONAZOLE EP IMPURITY B
CAS:91679-37-7
Formula: C22H18N2
RM-B090602
310.39
4-([1,1'-biphenyl]-4-yl(phenyl)methyl)-1H-imidazole

BIFONAZOLE EP IMPURITY D
CAS:66600-13-3
Formula: C41H33ClN2
RM-B090604
589.17
1,3-bis([1,1'-biphenyl]-4-yl(phenyl)methyl)-1H-imidazol-3-ium chloride

BIFONAZOLE EP IMPURITY E
CAS:2469554-07-0
Formula: C41H32N2
RM-B090605
552.71
1,4-bis([1,1'-biphenyl]-4-yl(phenyl)methyl)-1H-imidazole

Bifonazole Impurity 11
CAS:91487-87-5
Formula: C20H17NO
RM-B090611
287.36
N-([1,1'-biphenyl]-4-yl(phenyl)methyl)formimidic acid/N-([1,1'-biphenyl]-4-yl(phenyl)methyl)formamide

Bifonazole Impurity 12
CAS:331959-63-8
Formula: C22H18N2
RM-B090612
310.4
1-([1,1'-biphenyl]-3-yl(phenyl)methyl)-1H-imidazole

Bifonazole Impurity 13
CAS:91487-88-6
Formula: C19H17N
RM-B090613
259.35
[1,1'-biphenyl]-4-yl(phenyl)methanamine

Bifonazole Impurity 15
CAS:109382-81-2
Formula: C22H18N2
RG-A263104
310.4
1-([1,1'-biphenyl]-2-yl(phenyl)methyl)-1H-imidazole

Bifonazole Impurity 28
CAS:2137934-65-5
Formula: C21H20O
RM-B090628
288.39
4-(ethoxy(phenyl)methyl)-1,1'-biphenyl

BILASTINE
CAS:202189-78-4
Formula: C28H37N3O3
RM-B192010
463.61
2-(4-(2-(4-(1-(2-ethoxyethyl)-1H-benzo[d]imidazol-2-yl)piperidin-1-yl)ethyl)phenyl)-2-methylpropanoic acid

BILASTINE IMPURITY 13
CAS:2069238-47-5
Formula: C28H37N3O4
RM-B192013
479.61
1-(4-(2-Carboxypropan-2-yl)phenethyl)-4-(1-(2-ethoxyethyl)-1H-benzo[d]imidazol-2-yl)piperidine 1-Oxide

BILASTINE IMPURITY 14
CAS:202189-83-1
Formula: C26H33N3O3
RM-B192014
435.56
2-(4-(2-(4-(1-(2-hydroxyethyl)-1H-benzo[d]imidazol-2-yl)piperidin-1-yl)ethyl)phenyl)-2-methylpropanoic acid

BILASTINE IMPURITY 15
CAS:1638785-23-5
Formula: C28H37N3O4
RM-B192015
479.61
2-(4-(2-(4-(1-(2-ethoxyethyl)-1H-benzo[d]imidazol-2-yl)piperidin-1-yl)-1-hydroxyethyl)phenyl)-2-methylpropanoic acid

BILASTINE IMPURITY 16
CAS:1181267-38-8
Formula: C29H39N3O3
RM-B192016
477.64
methyl 2-(4-(2-(4-(1-(2-ethoxyethyl)-1H-benzo[d]imidazol-2-yl)piperidin-1-yl)ethyl)phenyl)-2-methylpropanoate

BILASTINE IMPURITY 17
CAS:110963-63-8
Formula: C16H23N3O
RM-B192017
273.37
1-(2-ethoxyethyl)-2-(piperidin-4-yl)-1H-benzo[d]imidazole

BILASTINE IMPURITY 20
CAS:2099128-83-1
Formula: C24H29N3O2
RM-B192020
391.51
2-(4-(2-(4-(1H-benzo[d]imidazol-2-yl)piperidin-1-yl)ethyl)phenyl)-2-methylpropanoic acid

BILASTINE IMPURITY 21
CAS:1215537-40-8
Formula: C28H37N3O3
RM-B192021
463.61
2-(3-(2-(4-(1-(2-ethoxyethyl)-1H-benzo[d]imidazol-2-yl)piperidin-1-yl)ethyl)phenyl)-2-methylpropanoic acid

Bilastine Impurity 23
CAS:2767508-98-3
Formula: C27H35N3O3
RM-B192023
449.6
2-(4-(2-(4-(1-(2-methoxyethyl)-1H-benzo[d]imidazol-2-yl)piperidin-1-yl)ethyl)phenyl)-2-methylpropanoic acid

Bilastine Impurity 24
CAS:953071-73-3
Formula: C17H23N3O2
RM-B192024
301.39
tert-butyl 4-(1H-benzo[d]iMidazol-2-yl)piperidine-1-carboxylate

Bilastine Impurity 25
CAS:1181267-36-6
Formula: C21H31N3O3
RM-B192025
373.5
tert-Butyl 4-(1-(2-ethoxyethyl)-1H-benzo[d]imidazol-2-yl)piperidine-1-carboxylate

Bilastine Impurity 32
CAS:N/A
Formula: C30H40N4O2
RM-B192032
488.68
2-(2-(1-(4-(2-(4,4-dimethyl-4,5-dihydrooxazol-2-yl)propan-2-yl)phenethyl)piperidin-4-yl)-1H-benzo[d]imidazol-1-yl)ethan-1-ol

Bilastine Impurity 33
CAS:2767509-00-0
Formula: C32H46N4O3
RM-B192033
534.75
2-(4-(2-(4-(1-(2-ethoxyethyl)-1H-benzo[d]imidazol-2-yl)piperidin-1-yl)ethyl)phenyl)-N-(1-hydroxy-2-methylpropan-2-yl)-2-methylpropanamide

Bilastine Impurity 34
CAS:N/A
Formula: C28H39N3O2
RM-B192034
449.64
2-(4-(2-(4-(1-(2-ethoxyethyl)-1H-benzo[d]imidazol-2-yl)piperidin-1-yl)ethyl)phenyl)-2-methylpropan-1-ol

Bilastine Impurity 35
CAS:N/A
Formula: C27H35N3O3
RM-B192035
449.6
2-(4-(2-(4-(1-(ethoxymethyl)-1H-benzo[d]imidazol-2-yl)piperidin-1-yl)ethyl)phenyl)-2-methylpropanoic acid

Bilastine Impurity 37
CAS:N/A
Formula: C27H37N3O
RM-B192037
419.61
1-(2-ethoxyethyl)-2-(1-(4-isopropylphenethyl)piperidin-4-yl)-1H-benzo[d]imidazole

Bilastine Impurity 48
CAS:1181267-30-0
Formula: C20H24O5S
RM-B192048
376.47
Methyl 2-methyl-2-(4-(2-(tosyloxy)ethyl)phenyl)propanoate

Bilastine Impurity 49
CAS:32454-35-6
Formula: C10H11BrO2
RM-B192049
243.1
2-(4-Bromophenyl)-2-methylpropanoic acid

Bilastine Impurity 50
CAS:552301-45-8
Formula: C12H16O3
RM-B192050
208.26
2-(4-(2-Hydroxyethyl)phenyl)-2-methylpropanoic acid

Bilastine Impurity 51
CAS:1000536-33-3
Formula: C13H18O3
RM-B192051
222.28
methyl 2-(4-(2-hydroxyethyl)phenyl)-2-methylpropanoate

Bilastine Impurity 52
CAS:N/A
Formula: C20H29N3O3
RM-B192052
359.47
tert-butyl 4-(1-(2-methoxyethyl)-1H-benzo[d]imidazol-2-yl)piperidine-1-carboxylate

Bilastine Impurity 53
CAS:N/A
Formula: C20H29N3O3
RM-B192053
359.47
tert-butyl 4-(1-(ethoxymethyl)-1H-benzo[d]imidazol-2-yl)piperidine-1-carboxylate

BILASTINE IMPURITY 9
CAS:192775-97-6
Formula: C14H18BrNO
RM-B192009
296.2
2-(2-(4-bromophenyl)propan-2-yl)-4,4-dimethyl-4,5-dihydrooxazole

BILASTINE IMPURITY A
CAS:2411093-91-7
Formula: C36H43N3O4
RM-B192001
581.74
2-(4-(2-(4-(1-(4-(2-carboxypropan-2-yl)phenethyl)-1H-benzo[d]imidazol-2-yl)piperidin-1-yl)ethyl)phenyl)-2-methylpropanoic acid

Bilastine Impurity E(Cis-Bilastine N-Oxide)
CAS:1934257-94-9
Formula: C28H37N3O4
RM-B192030
479.62
cis-1-(4-(2-carboxypropan-2-yl)phenethyl)-4-(1-(2-ethoxyethyl)-1H-benzo[d]imidazol-2-yl)piperidine 1-oxide

Bilastine Impurity F(Trans-Bilastine N-Oxide)
CAS:1934257-95-0
Formula: C28H37N3O4
RM-B192031
479.62
Trans-1-(4-(2-carboxypropan-2-yl)phenethyl)-4-(1-(2-ethoxyethyl)-1H-benzo[d]imidazol-2-yl)piperidine 1-oxide

BILASTINE IMPURITY H
CAS:38385-95-4
Formula: C12H15N3
RM-B192008
201.27
2-(piperidin-4-yl)-1H-benzo[d]imidazole

BIMATOPROST
CAS:155206-00-1
Formula: C25H37NO4
RM-B131601
415.57
(Z)-7-((1R,2R,3R,5S)-3,5-dihydroxy-2-((S,E)-3-hydroxy-5-phenylpent-1-en-1-yl)cyclopentyl)-N-ethylhept-5-enamide

BIMATOPROST ACID
CAS:38344-08-0
Formula: C23H32O5
RM-B131600
388.5
(5Z)-7-[(1R,2R,3R,5S)-3,5-Dihydroxy-2-[(1E,3S)-3-hydroxy-5-phenyl-1-penten-1-yl]cyclopentyl]-5-heptenoic acid

BIMATOPROST IMPURITY 1
CAS:1163135-92-9
Formula: C25H37NO4
RM-B131627
415.57
(5Z)-7-[(1R,2R,3R,5S)-3,5-Dihydroxy-2-[(1E,3R)-3-hydroxy-5-phenyl-1-penten-1-yl]cyclopentyl]-N-ethyl-5-heptenamide

Bimatoprost Impurity B
CAS:N/A
Formula: C25H37NO5
RM-B131602
431.56
(Z)-7-((1R,2R,3R,5S)-3,5-dihydroxy-2-((2S)-3-((S)-1-hydroxy-3-phenylpropyl)oxiran-2-yl)cyclopentyl)-N-ethylhept-5-enamide

Bimatoprost Impurity H
CAS:76704-05-7
Formula: C8H12O4
RM-B131608
172.18
(3aS,4R,5S,6aR)-5-hydroxy-4-(hydroxymethyl)hexahydro-2H-cyclopenta[b]furan-2-one

Bimatoprost Impurity S
CAS:N/A
Formula: C25H36O5
RM-B131619
416.55
(Z)-ethyl 7-((1R,2R,3R,5S)-3,5-dihydroxy-2-((S,E)-3-hydroxy-5-phenylpent-1-en-1-yl)cyclopentyl)hept-5-enoate

BIMATOPROST IMPURITY T
CAS:1163135-96-3
Formula: C25H35NO4
RM-B131620
413.55
(Z)-7-((1R,2R,3R,5S)-3,5-dihydroxy-2-((E)-3-oxo-5-phenylpent-1-en-1-yl)cyclopentyl)-N-ethylhept-5-enamide

Bimatoprost Impurity U
CAS:38315-47-8
Formula: C24H34O5
RM-B131621
402.52
(Z)-methyl 7-((1R,2R,3R,5S)-3,5-dihydroxy-2-((S,E)-3-hydroxy-5-phenylpent-1-en-1-yl)cyclopentyl)hept-5-enoate

Bimatoprost Impurity V
CAS:1163135-95-2
Formula: C25H37NO4
RM-B131622
415.57
(E)-7-((1R,2R,3R,5S)-3,5-Dihydroxy-2-((S,E)-3-hydroxy-5-phenylpent-1-en-1-yl)cyclopentyl)-N-ethylhept-5-enamide

BIOTIN EP IMPURITY A
CAS:1163708-46-0
Formula: C18H28N4O4S2
RM-B091501
428.57
5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)-2-(3-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)propyl)pentanoic acid

BIOTIN EP IMPURITY C
CAS:22342-46-7
Formula: C9H18N2O2S
RM-B091508
218.32
5-((2S,3S,4R)-3,4-Diaminotetrahydrothiophen-2-yl)pentanoic acid

BIOTIN EP IMPURITY E
CAS:76335-62-1+57229-92-2
Formula: C17H22N2O3S*2
RM-B091505
5-((3aS,4S,6aR)-1-benzyl-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic acid--5-((3aS,4S,6aR)-3-benzyl-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic acid (1/1)

Biotin Impurity 17 (Epibiotin)
CAS:4375-00-2
Formula: C10H16N2O3S
RM-B091517
244.31
5-((3aS,4R,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic acid

BIOTIN IMPURITY 22
CAS:N/A
Formula: C18H23N3O4S
RM-B091522
377.46
5-((3aS,4S,6aR)-1-(benzylcarbamoyl)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic acid

BIOTIN IMPURITY 23
CAS:N/A
Formula: C11H17N3O4S
RM-B091523
287.33
5-((3aS,4S,6aR)-1-carbamoyl-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanoic acid

BIOTIN IMPURITY 24
CAS:28092-62-8
Formula: C19H18N2O3
RM-B091524
322.36
(3aS,6aR)-1,3-dibenzyltetrahydro-1H-furo[3,4-d]imidazole-2,4-dione

BIOTIN IMPURITY 25
CAS:N/A
Formula: C19H18N2O3
RM-B091525
322.36
(3aR,6aS)-1,3-dibenzyltetrahydro-1H-furo[3,4-d]imidazole-2,4-dione

BIOTIN IMPURITY C
CAS:412308-26-0
Formula: C9H14N2O2S
RM-B091503
214.28
5-(3,4-diaminothiophen-2-yl)pentanoic acid

Biperiden EP Impurity F; Isopropyl Alcohol EP Impurity B
CAS:71-43-2
Formula: C6H6
RM-B640500
78.11
Benzene; 1,3,5-Cyclohexatriene; Benzol; Benzole; Coal Naphtha; Cyclohexatriene; NSC 67315; Phene; Phenyl Hydride; Pyrobenzol; Pyrobenzole

BIS THF HNS DERIVATIVE 1
CAS:253265-98-4
Formula: C11H13NO7
RM-D050501
271.22
2,5-dioxopyrrolidin-1-yl ((3S,3aR,6aS)-hexahydrofuro[2,3-b]furan-3-yl) carbonate

BIS THF HNS DERIVATIVE 2
CAS:799241-85-3
Formula: C11H13NO7
RM-D050502
271.22
2,5-dioxopyrrolidin-1-yl ((3S,3aS,6aR)-hexahydrofuro[2,3-b]furan-3-yl) carbonate

BIS THF HNS DERIVATIVE 3
CAS:799241-86-4
Formula: C11H13NO7
RM-D050503
271.22
2,5-dioxopyrrolidin-1-yl ((3R,3aR,6aS)-hexahydrofuro[2,3-b]furan-3-yl) carbonate

BISOPROLOL CARBOXYLIC ACID IMPURITY
CAS:72570-70-8(free base)
Formula: C13H19NO4
RM-B191618
253.29
4-(2-Hydroxy-3-isopropylaminopropoxy)benzoic acid

Bisoprolol EP Impurity A; Bisoprolol USP Rc A
CAS:62572-93-4
Formula: C13H21NO3
RM-B191601
239.31
(RS)-1-(4-Hydroxymethylphenoxy)-3-isopropylaminopropan-2-ol

BISOPROLOL EP IMPURITY B
CAS:1447715-44-7
Formula: C18H31NO4
RM-B191602
325.44
(RS)-1-Isopropylamino-3-[4-(2-propoxyethoxymethyl) phenoxy] propan-2-ol

BISOPROLOL EP IMPURITY C
CAS:1225195-70-9
Formula: C25H38N2O4
RM-B191603
430.58
3,3'-((methylenebis(4,1-phenylene))bis(oxy))bis(1-(isopropylamino)propan-2-ol)

BISOPROLOL EP IMPURITY D
CAS:1225195-71-0
Formula: C26H40N2O5
RM-B191604
460.61
(RS)-1-[4-[4-(2-Hydroxy-3-isopropylaminopropoxy)benzyloxylmethyl] phenoxy]-3-isopropylaminopropan-2-ol

BISOPROLOL EP IMPURITY E
CAS:1217245-60-7
Formula: C18H29NO3
RM-B191605
307.43
(EZ)-[3-[4-(2-Isopropoxy-ethoxymethyl)phenoxy]allyl] isopropylamine

BISOPROLOL EP IMPURITY F
CAS:1798418-82-2
Formula: C18H31NO4
RM-B191606
325.44
2-(4-((2-isopropoxyethoxy)methyl)phenoxy)-3-(isopropylamino)propan-1-ol

Bisoprolol EP Impurity G; Bisoprolol USP Rc D
CAS:1215342-36-1
Formula: C19H33NO5
RM-B191607
355.47
(2RS)-1-[4-(((2-Isopropoxy-ethoxy)methoxy)methyl)phenoxy]-3- (isopropyl-amino)-2-propanol

Bisoprolol EP Impurity K; Bisoprolol USP Rc F
CAS:864544-37-6(free base)
Formula: C18H29NO5 C2H2O2
RM-B191609
2-Isopropoxyethyl 4-[((2RS)-2-Hydroxy-3-(isopropylamino)propyl)-oxy]benzoate Maleic acid

BISOPROLOL EP IMPURITY N
CAS:1346601-75-9
Formula: C17H29NO4
RM-B191612
311.42
(2RS)-1-[4-((2-Ethoxyethoxy)methyl)phenoxy]-3-(isopropylamino)-2-propanol

BISOPROLOL EP IMPURITY Q
CAS:1346604-00-9
Formula: C16H27NO4
RM-B191613
297.39
(2RS)-1-Isopropylamino-3-[4-(2-methoxyethoxy)methyl]-phenoxy-2-propanol

Bisoprolol EP Impurity R; Bisoprolol USP Rc C
CAS:5790-46-5
Formula: C13H21NO2
RM-B191614
223.31
(2RS)-1-(Isopropylamino)-3-(4-methylphenoxy)propan-2-ol

BISOPROLOL EP IMPURITY T
CAS:1173203-26-3
Formula: C14H17NO4
RM-B191620
263.29
4-((3-isopropyl-2-oxooxazolidin-5-yl)methoxy)benzaldehyde

BISOPROLOL EP IMPURITY U
CAS:1071765-44-0
Formula: C14H19NO4
RM-B191621
265.3
5-((4-(hydroxymethyl)phenoxy)methyl)-3-isopropyloxazolidin-2-one

BISOPROLOL EPOXIDE IMPURITY
CAS:66722-57-4
Formula: C15H22O4
RM-B191617
266.33
2-[4-(2-Isopropoxyethoxymethyl)phenoxymethyl]oxirane

BISOPROLOL IMPURITY 11
CAS:177034-57-0
Formula: C12H18O3
RM-B191611
210.27
4-[(2-Isopropoxyethoxy)methyl]phenol

BISOPROLOL IMPURITY 22
CAS:1346601-19-1
Formula: C15H23NO5
RM-B191622
297.35
2-Hydroxyethyl 4-(2-hydroxy-3-(isopropylamino)propoxy)benzoate

BISOPROLOL IMPURITY 23
CAS:1447715-45-8
Formula: C19H31NO5
RM-B191623
353.45
N-(2-hydroxy-3-(4-((2-isopropoxyethoxy)methyl)phenoxy)propyl)-N-isopropylformamide

Bisoprolol Impurity 47
CAS:N/A
Formula: C14H21NO5
RM-B191647
283.32
hydroxymethyl 4-(2-hydroxy-3-(isopropylamino)propoxy)benzoate

Bisoprolol Impurity 48
CAS:N/A
Formula: C14H23NO4
RM-B191648
269.34
1-(4-((hydroxymethoxy)methyl)phenoxy)-3-(isopropylamino)propan-2-ol

Bisoprolol Impurity 54
CAS:N/A
Formula: C10H11ClO3
RM-B191654
214.65
4-(3-chloro-2-hydroxypropoxy)benzaldehyde

Bispyridoxine; Vitamin B6 Impurity 95
CAS:19203-56-6
Formula: C16H20N2O5
RM-B091900
320.34
(5-hydroxy-2-((3-hydroxy-5-(hydroxymethyl)-2-methylpyridin-4-yl)methyl)-6-methylpyridine-3,4-diyl)dimethanol

BLONANSERIN IMPURITY 8
CAS:132810-93-6
Formula: C24H33N3O
RM-B121434
379.54
2-(4-ethylpiperazin-1-yl)-4-(4-methoxyphenyl)-5,6,7,8,9,10-hexahydrocycloocta[b]pyridine

BLONANSERIN IMPURITY C
CAS:132811-84-8
Formula: C21H26FN3
RM-B121403
339.45
4-(4-fluorophenyl)-2-(piperazin-1-yl)-5,6,7,8,9,10-hexahydrocycloocta[b]pyridine

Blonanserin Impurity D
CAS:N/A
Formula: C23H30FN3O2
RM-B121404
399.5
1-ethyl-4-(4-(4-fluorophenyl)-1-oxido-5,6,7,8,9,10-hexahydrocycloocta[b]pyridin-2-yl)piperazine 1-oxide

BLONANSERIN IMPURITY K
CAS:142838-82-2
Formula: C23H30FN3O
RM-B121411
383.5
1-ethyl-4-(4-(4-fluorophenyl)-5,6,7,8,9,10-hexahydrocycloocta[b]pyridin-2-yl)piperazine 1-oxide

BOC-GLY-GLY-GLY
CAS:28320-73-2
Formula: C11H19N3O6
RM-A010856
289.29
(tert-butoxycarbonyl)glycylglycylglycine

BOC-GLY-GLY-OH
CAS:31972-52-8
Formula: C9H16N2O5
RM-A010854
232.24
(tert-butoxycarbonyl)glycylglycine

Boc-His(Trt)-Aib-Aib-Oh
CAS:N/A
Formula: C38H45N5O6
RM-B150309
667.81
(S)-2,2,9,9,12,12-hexamethyl-4,7,10-trioxo-6-((1-trityl-1H-imidazol-4-yl)methyl)-3-oxa-5,8,11-triazatridecan-13-oic acid

BOC-HIS(TRT)-OH
CAS:32926-43-5
Formula: C30H31N3O4
RM-B150306
497.58
(S)-2-((tert-butoxycarbonyl)amino)-3-(1-trityl-1H-imidazol-4-yl)propanoic acid

BOC-LYS(FMOC)-OH
CAS:N/A
Formula: C26H32N2O6
RM-F131597
468.55
N6-(((9H-fluoren-9-yl)methoxy)carbonyl)-N2-(tert-butoxycarbonyl)-L-lysine

BOC-TRP(BOC)-OH
CAS:144599-95-1
Formula: C21H28N2O6
RM-T162040
404.46
Na,1-bis(tert-butoxycarbonyl)-L-tryptophan

BORTEZOMIB
CAS:179324-69-7
Formula: C19H25BN4O4
RM-B201439
384.24
((R)-3-Methyl-1-((S)-3-phenyl-2-(pyrazine-2-carboxamido)propanamido)butyl)boronic acid

BORTEZOMIB IMPURITY 1
CAS:289472-78-2
Formula: C19H24N4O3
RM-B201427
356.42
N-((S)-1-(((R)-1-hydroxy-3-methylbutyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide

BORTEZOMIB IMPURITY 2
CAS:N/A
Formula: C19H22N4O4
RM-B201428
370.4
(S)-N-(1-(3-Hydroxy-3-methylbutanamido)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide

Bortezomib Impurity 43
CAS:N/A
Formula: C19H25BN4O5
RM-B201443
400.24
((R)-3-hydroxy-3-methyl-1-((S)-3-phenyl-2-(pyrazine-2-carboxamido)propanamido)butyl)boronic acid

BORTEZOMIB IMPURITY 44
CAS:N/A
Formula: C15H14N4O3
RM-B201444
298.3
(S)-N-(1-Formamido-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide

BORTEZOMIB IMPURITY 46
CAS:1194235-41-0
Formula: C28H34BN5O5
RM-B201446
531.41
((R)-3-methyl-1-((S)-3-phenyl-2-((S)-3-phenyl-2-(pyrazine-2-carboxamido)propanamido)propanamido)butyl)boronic acid

Bortezomib Impurity 47
CAS:N/A
Formula: C28H34BN5O5
RM-B201447
531.41
((R)-3-methyl-1-((S)-3-phenyl-2-((R)-3-phenyl-2-(pyrazine-2-carboxamido)propanamido)propanamido)butyl)boronic acid

BORTEZOMIB IMPURITY 50
CAS:477254-68-5
Formula: C15H28BNO2
RG-S161400
265.2
(S)-3-methyl-1-((3aS,4S,6S,7aR)-3a,5,5-trimethylhexahydro-4,6-methanobenzo[d][1,3,2]dioxaborol-2-yl)butan-1-amine

BORTEZOMIB IMPURITY 55
CAS:84110-34-9
Formula: C14H25BO2
RM-B201455
236.16
(3aS,4S,6S,7aR)-2-Isobutyl-3a,5,5-trimethylhexahydro-4,6-methanobenzo[d][1,3,2]dioxaborole

BORTEZOMIB IMPURITY 56
CAS:390800-88-1
Formula: C57H69B3N12O9
RM-B201456
1098.67
N,N',N''-((2S,2'S,2''S)-(((1R,1'R,1''R)-(1,3,5,2,4,6-trioxatriborinane-2,4,6-triyl)tris(3-methylbutane-1,1-diyl))tris(azanediyl))tris(1-oxo-3-phenylpropane-2,1-diyl))tris(pyrazine-2-carboxamide)

Bortezomib Impurity 63; Ixazomib Impurity 23
CAS:N/A
Formula: C15H28BNO2
RM-B201463
265.2
(S)-3-methyl-1-((3aR,4R,6R,7aS)-3a,5,5-trimethylhexahydro-4,6-methanobenzo[d][1,3,2]dioxaborol-2-yl)butan-1-amine

Bortezomib Impurity 84
CAS:N/A
Formula: C19H24N4O3
RM-B201484
356.43
N-((2S)-1-((1-hydroxy-3-methylbutyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide

Bortezomib Impurity 85
CAS:N/A
Formula: C19H24N4O4
RM-B201485
372.43
N-((2S)-1-((1-hydroperoxy-3-methylbutyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide

BORTEZOMIB IMPURITY B
CAS:289472-81-7
Formula: C19H24N4O3
RM-B201402
356.43
N-((S)-1-(((S)-1-hydroxy-3-methylbutyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide

BORTEZOMIB IMPURITY C
CAS:289472-80-6
Formula: C14H14N4O2
RM-B201403
270.29
(S)-N-(1-amino-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide

BORTEZOMIB IMPURITY D
CAS:114457-94-2
Formula: C14H13N3O3
RM-B201404
271.28
(pyrazine-2-carbonyl)-L-phenylalanine

BORTEZOMIB IMPURITY M
CAS:886979-78-8
Formula: C19H24N4O4
RM-B201405
372.42
N-((S)-1-(((R)-1-Hydroperoxy-3-methylbutyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide

BORTEZOMIB IMPURITY N
CAS:886979-81-3
Formula: C19H24N4O4
RM-B201406
372.42
N-((S)-1-(((S)-1-Hydroperoxy-3-methylbutyl)amino)-1-oxo-3-phenylpropan-2-yl)pyrazine-2-carboxamide

Bortezomib Impurity Ps619
CAS:1132709-14-8
Formula: C19H25BN4O4
RM-B201407
384.24
(1S,2S)-Bortezomib; ((S)-3-Methyl-1-((S)-3-phenyl-2-(pyrazine-2-carboxamido)propanamido)butyl)boronic acid

Bortezomib Impurity Q
CAS:N/A
Formula: C10H16BN3O3
RM-B201413
237.07
(R)-(3-methyl-1-(pyrazine-2-carboxamido)butyl)boronic acid

BREXPIPRAZOLE
CAS:913611-97-9
Formula: C25H27N3O2S
RM-R182400
433.57
7-(4-(4-(benzo[b]thiophen-4-yl)piperazin-1-yl)butoxy)quinolin-2(1H)-one

Brexpiprazole Impurity 105
CAS:2126178-13-8
Formula: C20H18N2S2
RM-R182505
350.5
1-([2,4'-bibenzo[b]thiophen]-4-yl)piperazine

Brexpiprazole Impurity 107
CAS:N/A
Formula: C26H31ClN2O4
RM-R182507
470.99
7-(4-chlorobutoxy)-1-(4-((2-oxo-1,2,3,4-tetrahydroquinolin-7-yl)oxy)butyl)-3,4-dihydroquinolin-2(1H)-one

Brexpiprazole Impurity 108
CAS:N/A
Formula: C26H31ClN2O4
RM-R182508
470.99
1-(4-chlorobutyl)-7-(4-((2-oxo-1,2,3,4-tetrahydroquinolin-7-yl)oxy)butoxy)-3,4-dihydroquinolin-2(1H)-one

Brexpiprazole Impurity 109
CAS:N/A
Formula: C17H23BrClNO2
RM-R182509
388.73
7-(4-bromobutoxy)-1-(4-chlorobutyl)-3,4-dihydroquinolin-2(1H)-one

Brexpiprazole Impurity 110
CAS:N/A
Formula: C17H23BrClNO2
RM-R182510
388.73
1-(4-bromobutyl)-7-(4-chlorobutoxy)-3,4-dihydroquinolin-2(1H)-one

BREXPIPRAZOLE IMPURITY 26
CAS:31570-97-5
Formula: C9H7NO2
RM-R182426
161.16
5-Hydroxyquinolin-2(1H)-one

BREXPIPRAZOLE IMPURITY 29
CAS:913613-82-8
Formula: C13H14ClNO2
RM-R182429
251.71
7-(4-Chlorobutoxy)quinolin-2(1h)-one

BREXPIPRAZOLE IMPURITY 30
CAS:70500-72-0
Formula: C9H7NO2
RM-R182430
161.16
7-hydroxyquinolin-2(1H)-one

BREXPIPRAZOLE IMPURITY 31
CAS:2549192-46-1
Formula: C16H22N2OS
RM-R182431
290.42
8-(benzo[b]thiophen-4-yl)-5,8-diazaspiro[4.5]decan-5-ium hydroxide

BREXPIPRAZOLE IMPURITY 32
CAS:2116542-21-1
Formula: C38H40N4O4S
RM-R182432
648.81
7-(4-((7-(4-(4-(benzo[b]thiophen-4-yl)piperazin-1-yl)butoxy)quinolin-2-yl)oxy)butoxy)quinolin-2(1H)-one

BREXPIPRAZOLE IMPURITY 33
CAS:2138169-93-2
Formula: C41H47N5O2S2
RM-R182433
705.97
2,7-bis(4-(4-(benzo[b]thiophen-4-yl)piperazin-1-yl)butoxy)quinoline

BREXPIPRAZOLE IMPURITY 34
CAS:2137823-20-0
Formula: C41H47N5O2S2
RM-R182434
705.97
7-(4-(4-(benzo[b]thiophen-4-yl)piperazin-1-yl)butoxy)-1-(4-(4-(benzo[b]thiophen-4-yl)piperazin-1-yl)butyl)quinolin-2(1H)-one

BREXPIPRAZOLE IMPURITY 35
CAS:2247155-48-0
Formula: C26H27ClN2O4
RM-R182435
466.96
1-(4-chlorobutyl)-7-(4-((2-oxo-1,2-dihydroquinolin-7-yl)oxy)butoxy)quinolin-2(1H)-one

BREXPIPRAZOLE IMPURITY 36
CAS:2060029-80-1
Formula: C26H27ClN2O4
RM-R182436
466.96
7-(4-chlorobutoxy)-1-(4-((2-oxo-1,2-dihydroquinolin-7-yl)oxy)butyl)quinolin-2(1H)-one

BREXPIPRAZOLE IMPURITY 37
CAS:1191900-51-2
Formula: C25H27N3O3S
RM-R182437
449.57
7-(4-(4-(1-oxidobenzo[b]thiophen-4-yl)piperazin-1-yl)butoxy)quinolin-2(1H)-one

BREXPIPRAZOLE IMPURITY 41
CAS:2454317-17-8
Formula: C38H41ClN4O4S
RM-R182441
685.27
4-(benzo[b]thiophen-4-yl)-1,1-bis(4-((2-oxo-1,2-dihydroquinolin-7-yl)oxy)butyl)piperazin-1-ium chloride

BREXPIPRAZOLE IMPURITY 43
CAS:2060027-95-2
Formula: C17H21Cl2NO2
RM-R182443
342.26
2,7-bis(4-Chlorobutoxy)quinoline

BREXPIPRAZOLE IMPURITY 44
CAS:2059942-13-9
Formula: C26H27ClN2O4
RM-R182444
466.96
7-(4-((7-(4-chlorobutoxy)quinolin-2-yl)oxy)butoxy)quinolin-2(1H)-one

BREXPIPRAZOLE IMPURITY 50
CAS:N/A
Formula: C33H31N3O2S2
RM-R182450
565.75
7-(4-(4-([2,4'-bibenzo[b]thiophen]-4-yl)piperazin-1-yl)butoxy)quinolin-2(1H)-one

BREXPIPRAZOLE IMPURITY 51
CAS:913612-07-4
Formula: C25H29N3O2S
RM-R182451
435.58
7-(4-(4-(benzo[b]thiophen-4-yl)piperazin-1-yl)butoxy)-3,4-dihydroquinolin-2(1H)-one

Brexpiprazole Impurity 61
CAS:1849603-58-2
Formula: C17H23N3O2
RM-R182461
301.39
7-(4-(piperazin-1-yl)butoxy)quinolin-2(1H)-one

Brexpiprazole Impurity 62
CAS:2368233-78-5
Formula: C25H27N3O3S
RM-R182462
449.57
1-(benzo[b]thiophen-4-yl)-4-(4-((2-oxo-1,2-dihydroquinolin-7-yl)oxy)butyl)piperazine 1-oxide

BREXPIPRAZOLE IMPURITY 83
CAS:1700655-67-9
Formula: C13H14N2O2S
RM-R182483
262.33
4-(piperazin-1-yl)benzo[b]thiophene-2-carboxylic acid

Brexpiprazole Impurity 87
CAS:N/A
Formula: C26H31ClN2O4
RM-R182487
470.99
7-(4-((2-(4-chlorobutoxy)-3,4-dihydroquinolin-7-yl)oxy)butoxy)-3,4-dihydroquinolin-2(1H)-one

Brexpiprazole Impurity 90
CAS:N/A
Formula: C38H40N4O4S
RM-R182490
648.82
7-(4-((2-(4-(4-(benzo[b]thiophen-7-yl)piperazin-1-yl)butoxy)quinolin-7-yl)oxy)butoxy)quinolin-2(1H)-one

Brexpiprazole Impurity 95
CAS:N/A
Formula: C17H21BrClNO2
RM-R182495
386.71
1-(4-bromobutyl)-7-(4-chlorobutoxy)quinolin-2(1H)-one

Brexpiprazole Impurity 97
CAS:N/A
Formula: C17H21BrClNO2
RM-R182497
386.71
7-(4-bromobutoxy)-1-(4-chlorobutyl)quinolin-2(1H)-one

Brexpiprazole Impurity A
CAS:203395-59-9
Formula: C13H14BrNO2
RM-R182401
296.16
7-(4-Bromobutoxy)quinolin-2(1H)-one

Brexpiprazole Impurity B
CAS:2116542-19-7
Formula: C22H20N2O4
RM-R182402
376.41
7,7'-(Butane-1,4-diylbis(oxy))bis(quinolin-2(1H)-one)

BREXPIPRAZOLE IMPURITY C
CAS:2059954-32-2
Formula: C17H21Cl2NO2
RM-R182403
342.26
7-(4-Chlorobutoxy)-1-(4-chlorobutyl)quinolin-2(1H)-one

Brexpiprazole Impurity D
CAS:2749405-36-3
Formula: C29H34ClN3O2S
RM-R182404
524.12
7-(4-(4-(benzo[b]thiophen-4-yl)piperazin-1-yl)butoxy)-1-(4-chlorobutyl)quinolin-2(1H)-one

BREXPIPRAZOLE IMPURITY E
CAS:1191900-58-9
Formula: C25H27N3O3S
RM-R182405
449.57
4-(benzo[b]thiophen-4-yl)-1-(4-((2-oxo-1,2-dihydroquinolin-7-yl)oxy)butyl)piperazine 1-oxide

Brexpiprazole Impurity F
CAS:846038-18-4
Formula: C12H14N2S
RM-R182406
218.32
1-(Benzo[b]thiophen-4-yl)piperazine

Brexpiprazole Impurity G
CAS:2116542-20-0
Formula: C25H27N3O2S
RM-R182407
433.57
5-(4-(4-(benzo[b]thiophen-4-yl)piperazin-1-yl)butoxy)quinolin-2(1H)-one

Brexpiprazole Impurity I
CAS:1886188-97-1
Formula: C13H15NO3
RM-R182409
233.26
7-(4-Hydroxybutoxy)quinolin-2(1H)-one

Brexpiprazole Impurity M
CAS:2247155-42-4
Formula: C25H27N3O4S
RM-R182413
465.56
1-(benzo[b]thiophen-4-yl)-4-(4-((2-oxo-1,2-dihydroquinolin-7-yl)oxy)butyl)piperazine 1,4-dioxide

Brexpiprazole Impurity P
CAS:360575-28-6
Formula: C7H4BrFO
RM-R182416
203.01
2-bromo-6-fluorobenzaldehyde

BREXPIPRAZOLE IMPURITY T
CAS:1420987-86-5
Formula: C20H18N2S2
RM-R182420
350.5
1,4-bis(benzo[b]thiophen-4-yl)piperazine

BREXPIPRAZOLE IMPURITY U
CAS:2094559-58-5
Formula: C38H40N4O4S
RM-R182421
648.81
7-(4-(4-(Benzo[b]thiophen-4-yl)piperazin-1-yl)butoxy)-1-(4-((2-oxo-1,2-dihydroquinolin-7-yl)oxy)butyl)quinolin-2(1H)-one

BREXPIPRAZOLE-D8
CAS:1427049-19-1
Formula: C25H19D8N3O2S
RM-R182542
441.62
7-(4-(4-(benzo[b]thiophen-4-yl)piperazin-1-yl)butoxy-1,1,2,2,3,3,4,4-d8)quinolin-2(1H)-one

BRILLIANT BLUE FCF
CAS:N/A
Formula: C37H34N2O9S3 2Na
RM-B182701
sodium 2-((E)-(4-(ethyl(3-sulfonatobenzyl)amino)phenyl)((E)-4-(ethyl(3-sulfonatobenzyl)iminio)cyclohexa-2,5-dien-1-ylidene)methyl)benzenesulfonate

BRIMONIDINE DIMER
CAS:N/A
Formula: C23H20Br2N10
RM-B181418
596.29
N,N'-(methylenebis(4,5-dihydro-1H-imidazole-1,2-diyl))bis(5-bromoquinoxalin-6-amine)

BRIMONIDINE EP IMPURITY A
CAS:91147-43-2
Formula: C11H11N5
RM-B181401
213.24
N-(Imidazolidin-2-ylidene)quinoxalin-6-amine

BRIMONIDINE EP IMPURITY B
CAS:50358-63-9
Formula: C8H6BrN3
RM-B181402
224.06
5-bromoquinoxalin-6-amine

BRIMONIDINE EP IMPURITY C
CAS:6298-37-9
Formula: C8H7N3
RM-B181403
145.16
Quinoxalin-6-amine

BRIMONIDINE EP IMPURITY D
CAS:842138-74-3
Formula: C9H7BrN4S
RM-B181404
283.15
1-(5-bromoquinoxalin-6-yl)thiourea

BRIMONIDINE EP IMPURITY E
CAS:168329-48-4
Formula: C9H8BrN5
RM-B181405
266.1
2-(5-Bromoquinoxalin-6-yl)guanidine

BRIMONIDINE EP IMPURITY F
CAS:151110-15-5
Formula: C11H8BrN5
RM-B181406
290.12
5-bromo-N-(1H-imidazol-2-yl)quinoxalin-6-amine

BRIMONIDINE EP IMPURITY G
CAS:1216379-05-3
Formula: C11H12BrN5O
RM-B181407
310.16
1-(2-Aminoethyl)-3-(5-bromoquinoxalin-6-yl)urea

BRIMONIDINE IMPURITY 10
CAS:91147-46-5
Formula: C11H10ClN5
RM-B181410
247.68
5-chloro-N-(4,5-dihydro-1H-imidazol-2-yl)quinoxalin-6-amine

BRIMONIDINE IMPURITY 11
CAS:182627-95-8(free base)
Formula: C11H10BrN5O2 HCl
RM-B181411
5-bromo-6-((4,5-dihydro-1H-imidazol-2-yl)amino)quinoxaline-2,3(1H,4H)-dione hydrochloride

BRIMONIDINE IMPURITY 13
CAS:182628-02-0
Formula: C9H5BrN4
RM-B181413
249.07
N-(5-bromoquinoxalin-6-yl)cyanamide

BRIMONIDINE IMPURITY 14
CAS:134892-47-0
Formula: C11H12BrN5S
RM-B181414
326.22
1-(2-aminoethyl)-3-(5-bromoquinoxalin-6-yl)thiourea

BRIMONIDINE IMPURITY 16
CAS:134892-46-9
Formula: C9H4BrN3S
RM-B181416
266.12
5-BROMO-6-ISOTHIOCYANATOQUINOXALINE

Brimonidine Impurity 21
CAS:N/A
Formula: C9H7BrN4S
RM-B181421
283.15
1-(8-bromoquinoxalin-6-yl)thiourea

Brimonidine Impurity 22
CAS:N/A
Formula: C11H9N5
RM-B181422
211.23
9,10-dihydro-8H-imidazo[2',1':2,3]imidazo[4,5-f]quinoxaline

Brimonidine Impurity 26
CAS:N/A
Formula: C12H11BrN6O
RM-B181426
335.17
(E)-2-((5-bromoquinoxalin-6-yl)imino)imidazolidine-1-carboxamide

Brimonidine Impurity 27
CAS:N/A
Formula: C12H13BrN6O2
RM-B181427
353.18
1-(5-bromoquinoxalin-6-yl)-3-(2-ureidoethyl)urea

Brimonidine Impurity 28
CAS:N/A
Formula: C11H13N5S
RM-B181428
247.32
1-(2-aminoethyl)-3-(quinoxalin-6-yl)thiourea

Brimonidine Impurity 30
CAS:N/A
Formula: C15H14BrN5O4
RM-B181430
408.21
N-(5-bromoquinoxalin-6-yl)-N-(4,5-dihydro-1H-imidazol-2-yl)aspartic acid

Brinzolamide Impurity 10
CAS:N/A
Formula: C14H22ClNO5S2
RM-B182610
383.9
(S)-6-chloro-4-(3-methoxypropoxy)-2-(3-methoxypropyl)-3,4-dihydro-2H-thieno[3,2-e][1,2]thiazine 1,1-dioxide

BRINZOLAMIDE IMPURITY 11
CAS:171273-34-0
Formula: C10H12ClNO3S2
RM-B182611
293.78
6-chloro-2-(3-methoxypropyl)-2H-thieno[3,2-e][1,2]thiazine 1,1-dioxide

BRINZOLAMIDE IMPURITY 12
CAS:174139-72-1
Formula: C10H12ClNO4S2
RM-B182612
309.78
6-chloro-2-(3-methoxypropyl)-2,3-dihydro-4H-thieno[3,2-e][1,2]thiazin-4-one 1,1-dioxide

BRINZOLAMIDE IMPURITY 13
CAS:1029324-91-1
Formula: C10H15NO4S2
RM-B182613
277.35
(S)-4-hydroxy-2-(3-methoxypropyl)-3,4-dihydro-2H-thieno[3,2-e][1,2]thiazine 1,1-dioxide

BRINZOLAMIDE IMPURITY 16
CAS:154127-41-0
Formula: C10H14N2O6S3
RM-B182616
354.41
2-(3-Methoxypropyl)-4-oxo-3,4-dihydro-2H-thieno[3,2-e][1,2]thiazine-6-sulfonamide 1,1-dioxide

BRINZOLAMIDE IMPURITY C
CAS:171273-35-1
Formula: C10H14N2O5S3
RM-B182603
338.42
2-(3-methoxypropyl)-2H-thieno[3,2-e][1,2]thiazine-6-sulfonamide 1,1-dioxide

Brinzolamide Impurity H
CAS:165117-54-4
Formula: C10H16N2O6S3
RM-B182608
356.44
(R)-4-hydroxy-2-(3-methoxypropyl)-3,4-dihydro-2H-thieno[3,2-e][1,2]thiazine-6-sulfonamide 1,1-dioxide

BRIVARACETAM
CAS:357336-20-0
Formula: C11H20N2O2
RM-B180900
212.29
(S)-2-((R)-2-oxo-4-propylpyrrolidin-1-yl)butanamide

BRIVARACETAM IMPURITY 10
CAS:2179080-15-8
Formula: C7H13NO
RM-B180936
127.18
(R)-3-(hydroxymethyl)hexanenitrile

BRIVARACETAM IMPURITY 13
CAS:1956435-91-8
Formula: C9H17BrO2
RM-B180939
237.13
(R)-Ethyl 3-(bromomethyl)hexanoate

BRIVARACETAM IMPURITY 14
CAS:N/A
Formula: C7H13ClO2
RM-B180940
164.63
(R)-3-(chloromethyl)hexanoic acid

BRIVARACETAM IMPURITY 16
CAS:2432911-31-2
Formula: C11H18N2O3
RM-B180942
226.27
(S)-2-((R)-2,5-dioxo-3-propylpyrrolidin-1-yl)butanamide

BRIVARACETAM IMPURITY 24
CAS:1942054-60-5
Formula: C7H13BrO2
RM-B180950
209.08
(R)-3-(bromomethyl)hexanoic acid

BRIVARACETAM IMPURITY 36
CAS:357338-13-7
Formula: C11H18N2O2
RM-B180962
210.27
(S)-2-(2-oxo-4-propyl-2,5-dihydro-1H-pyrrol-1-yl)butanamide

Brivaracetam Impurity 41
CAS:N/A
Formula: C11H20N2O2
RM-B180967
212.29
(3S,7R)-3-ethyl-7-propyl-1,4-diazocane-2,5-dione

BRIVARACETAM IMPURITY 45
CAS:930123-37-8
Formula: C7H13NO
RM-B180971
127.19
(R)-4-propylpyrrolidin-2-one

Brivaracetam Impurity 47
CAS:2165431-90-1
Formula: C11H19NO3
RM-B180973
213.28
(S)-2-((S)-2-oxo-4-propylpyrrolidin-1-yl)butanoic acid

Brivaracetam Impurity 58
CAS:N/A
Formula: C11H19NO3
RM-B180984
213.28
2-((R)-2-oxo-4-propylpyrrolidin-1-yl)butanoic acid

BRIVARACETAM IMPURITY 6
CAS:N/A
Formula: C22H42N2O5
RM-B180932
414.58
(3R,3'R)-diethyl 3,3'-((((S)-1-amino-1-oxobutan-2-yl)azanediyl)bis(methylene))dihexanoate

Brivaracetam Impurity 68
CAS:N/A
Formula: C9H17IO2
RM-B180994
284.14
ethyl (R)-3-(iodomethyl)hexanoate

BRIVARACETAM IMPURITY 7
CAS:2432911-32-3
Formula: C15H27N3O3
RM-B180933
297.39
(S)-N-((S)-1-amino-1-oxobutan-2-yl)-2-((R)-2-oxo-4-propylpyrrolidin-1-yl)butanamide

Brivaracetam Impurity 79
CAS:N/A
Formula: C7H15NO2
RM-B181006
145.2
(R)-3-(hydroxymethyl)hexanamide

BRIVARACETAM IMPURITY 8
CAS:N/A
Formula: C11H18N2O3
RM-B180934
226.27
(2S)-2-(2,5-dioxo-3-propylpyrrolidin-1-yl)butanamide

BRIVARACETAM IMPURITY 9
CAS:N/A
Formula: C11H17NO4
RM-B180935
227.26
(2S)-2-(2,5-dioxo-3-propylpyrrolidin-1-yl)butanoic acid

BRIVARACETAM IMPURITY A
CAS:357336-19-7
Formula: C11H20N2O2
RM-B180901
212.29
(S)-2-((S)-2-oxo-4-propylpyrrolidin-1-yl)butanamide

BRIVARACETAM IMPURITY B
CAS:357336-99-3
Formula: C11H20N2O2
RM-B180902
212.29
(R)-2-((S)-2-oxo-4-propylpyrrolidin-1-yl)butanamide

BRIVARACETAM IMPURITY C
CAS:357337-00-9
Formula: C11H20N2O2
RM-B180903
212.29
(R)-2-((R)-2-oxo-4-propylpyrrolidin-1-yl)butanamide

BRIVARACETAM IMPURITY H
CAS:943986-67-2
Formula: C11H19NO3
RM-B180908
213.27
(S)-2-((R)-2-oxo-4-propylpyrrolidin-1-yl)butanoic acid

BRIVARACETAM IMPURITY P
CAS:2252417-17-5
Formula: C11H22N2O3
RM-B180916
230.3
(R)-N-((S)-1-amino-1-oxobutan-2-yl)-3-(hydroxymethyl)hexanamide

Brivaracetam Impurity Q
CAS:2397556-18-0
Formula: C11H22N2O3
RM-B180917
230.31
(R)-3-((((S)-1-amino-1-oxobutan-2-yl)amino)methyl)hexanoic acid

BRIVARACETAM IMPURITY R
CAS:2242647-55-6
Formula: C11H21BrN2O2
RM-B180918
293.2
(R)-N-((S)-1-amino-1-oxobutan-2-yl)-3-(bromomethyl)hexanamide

BRIVARACETAM IMPURITY S
CAS:748760-80-7
Formula: C13H26N2O3
RM-B180919
258.36
(R)-ethyl 3-((((S)-1-amino-1-oxobutan-2-yl)amino)methyl)hexanoate

Brivudine Impurity 21
CAS:60134-26-1
Formula: C6H12O4
RM-B182121
148.16
1-O-Methyl-2-deoxy-D-ribose; D-erythro-Pentofuranoside, methyl 2-deoxy; (2R,3S)-2-(hydroxymethyl)-5-methoxytetrahydrofuran-3-ol

Brivudine Impurity 25
CAS:55520-67-7
Formula: C11H14N2O5
RM-B182125
254.24
5-vinyl-2'-deoxyuridine; 1-((2R,4S,5R)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-5-vinylpyrimidine-2,4(1H,3H)-dione

Brivudine Impurity 33
CAS:40049-80-7
Formula: C4H5Br3
RM-B182133
292.8
(E)-1,2,3-tribromobut-2-ene

Brivudine Impurity 35
CAS:64930-16-1
Formula: C4H6Br2
RM-B182135
213.9
1,3-dibromobut-2-ene

BROMAZEPAM EP IMPURITY C
CAS:868350-97-4
Formula: C15H12BrN3O
RM-B180103
330.18
7-bromo-5-(6-methylpyridin-2-yl)-1H-benzo[e][1,4]diazepin-2(3H)-one

BROMFENAC
CAS:91714-94-2
Formula: C15H12BrNO3
RM-B151419
334.17
2-(2-Amino-3-(4-bromobenzoyl)phenyl)acetic acid

BROMFENAC IMPURITY 12
CAS:91714-41-9
Formula: C15H12BrNO
RM-B151438
302.17
(4-Bromophenyl)(indolin-7-yl)methanone

BROMFENAC IMPURITY 21
CAS:N/A
Formula: C15H10BrNO4
RM-B151447
348.15
2-(2-Amino-3-(4-bromobenzoyl)phenyl)-2-oxoacetic acid

BROMFENAC IMPURITY 25
CAS:N/A
Formula: C15H10BrNO3
RM-B151451
332.15
7-(4-bromobenzoyl)-1-hydroxyindolin-2-one

BROMFENAC IMPURITY 28
CAS:N/A
Formula: C15H10BrNO
RM-B151454
300.16
(2-bromophenyl)(1H-indol-7-yl)methanone

BROMFENAC IMPURITY 29
CAS:N/A
Formula: C15H10BrNO
RM-B151455
300.16
(3-bromophenyl)(1H-indol-7-yl)methanone

BROMFENAC IMPURITY 3
CAS:1644279-16-2
Formula: C30H18Br2N2O3
RM-B151429
614.28
(12-oxo-5,6,11,12-tetrahydrobenzo[6,7]azepino[4,3-b]indole-4,10-diyl)bis((4-bromophenyl)methanone)

BROMFENAC IMPURITY 36
CAS:N/A
Formula: C15H9BrClNO2
RM-B151462
350.6
7-(4-bromobenzoyl)-5-chloroindolin-2-one

BROMFENAC IMPURITY 37
CAS:N/A
Formula: C15H11BrClNO3
RM-B151463
368.61
2-(2-amino-3-(4-bromobenzoyl)-5-chlorophenyl)acetic acid

BROMFENAC IMPURITY 5 SODIUM SALT
CAS:1391052-54-2
Formula: C15H9BrNNaO4
RM-B151431
370.13
sodium 2-(2-amino-3-(4-bromobenzoyl)phenyl)-2-oxoacetate

BROMFENAC IMPURITY A
CAS:241496-82-2
Formula: C14H10BrNO3
RM-B151401
320.14
2-Amino-3-(4-bromobenzoyl)benzoic acid

BROMFENAC IMPURITY B
CAS:126849-31-8
Formula: C15H10NNaO4
RM-B151402
291.23
2-Amino-3-benzoyl-a-oxo-benzeneacetic Acid Sodium Salt

BROMFENAC IMPURITY C
CAS:241825-88-7
Formula: C15H8BrNO3
RM-B151403
330.13
7-(4-bromobenzoyl)-1H-indole-2,3-dione

BROMFENAC IMPURITY D
CAS:N/A
Formula: C15H11BrNNaO3
RM-B151404
356.15
sodium 2-(2-amino-3-(2-bromobenzoyl)phenyl)acetate

Bromfenac Impurity E
CAS:61941-63-7
Formula: C15H12ClNO3
RM-B151405
289.72
2-(2-amino-3-(4-chlorobenzoyl)phenyl)acetic acid

Bromfenac Impurity G
CAS:N/A
Formula: C15H11BrNNaO3
RM-B151407
356.15
sodium 2-(2-amino-3-(3-bromobenzoyl)phenyl)acetate

Bromfenac Impurity H
CAS:N/A
Formula: C15H10BrNO3
RM-B151408
332.15
2-oxoindolin-7-yl 4-bromobenzoate

Bromfenac Impurity I
CAS:N/A
Formula: C15H10BrNO5
RM-B151409
364.15
2-(3-(4-bromobenzoyl)-2-nitrophenyl)acetic acid

Bromfenac Impurity K
CAS:91714-51-1
Formula: C15H9BrClNO
RM-B151411
334.6
(4-bromophenyl)(3-chloro-1H-indol-7-yl)methanone

Bromfenac Impurity V
CAS:N/A
Formula: C15H9BrClNO2
RM-B151422
350.59
7-(4-bromobenzoyl)-3-chloroindolin-2-one

BROMFENAC LACTAM
CAS:91713-91-6
Formula: C15H10BrNO2
RM-B151433
316.15
7-(4-Bromobenzoyl)indolin-2-one

BROMFENAC SODIUM HYDRATE
CAS:120638-55-3
Formula: C15H11BrNNaO3 3/2H2O
RM-B151440
sodium 2-(2-amino-3-(4-bromobenzoyl)phenyl)acetate hydrate

BROMHEXINE EP IMPURITY C
CAS:57365-08-9
Formula: C14H22N2
RM-B082403
218.34
N-(2-Aminobenzyl)-N-methylcyclohexanamine

BROMHEXINE EP IMPURITY D
CAS:10076-98-9
Formula: C14H21BrN2.2HCl
RM-B082404
370.16
N-(2-Amino-5-bromobenzyl)-N-methylcyclohexanamine dihydrochloride

BROMHEXINE EP IMPURITY E
CAS:1660957-93-6
Formula: C15H21Br2N2 Cl
RM-B082405
6,8-dibromo-3-cyclohexyl-3-methyl-1,2,3,4-tetrahydroquinazolin-3-ium chloride

Bromhexine EP Impurity F
CAS:1660957-78-7
Formula: C13H19Br2ClN2
RM-B082406
398.56
2,4-dibromo-6-((cyclohexylamino)methyl)aniline hydrochloride

BROMHEXINE EP IMPURITY I
CAS:1631131-52-6(free base)
Formula: C14H21BrCl2N2
RM-B082409
368.14
4-bromo-2-chloro-6-((cyclohexyl(methyl)amino)methyl)aniline hydrochloride

BROMHEXINE IMPURITY 10
CAS:21237-84-3
Formula: C14H16Br2N2O
RM-B082436
388.1
6,8-dibromo-3-cyclohexyl-3,4-dihydroquinazolin-2(1H)-one

Bromhexine Impurity 101
CAS:N/A
Formula: C8H9Br2N3O
RM-B082501
322.99
N-(2-amino-3,5-dibromobenzyl)-N-methylnitrous amide

BROMHEXINE IMPURITY 11
CAS:2724689-57-8
Formula: C14H20Br2N2O
RM-B082437
392.13
N-(2-amino-3,5-dibromobenzyl)-N-methylcyclohexanamine oxide

Bromhexine Impurity 116
CAS:114390-40-8
Formula: C14H14Br2N2O
RM-B082509
386.09
6,8-dibromo-3-cyclohexylquinazolin-4(3H)-one

BROMHEXINE IMPURITY 14
CAS:N/A
Formula: C20H30Br2N2O5
RM-B082440
538.27
(2S,3S,4R,5R,6S)-2-((2,4-dibromo-6-((cyclohexyl(methyl)amino)methyl)phenyl)amino)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol

BROMHEXINE IMPURITY 16
CAS:N/A
Formula: C16H22Br2N2O2
RM-B082442
434.17
2-((2,4-dibromo-6-((cyclohexyl(methyl)amino)methyl)phenyl)amino)acetic acid

BROMHEXINE IMPURITY 7
CAS:80638-08-0
Formula: C14H20N2O2
RM-B082433
248.32
N-methyl-N-(2-nitrobenzyl)cyclohexanamine

Bromhexine Impurity 81(Bromhexine L-Glucose Derivative)
CAS:N/A
Formula: C20H30Br2N2O5
RM-B082481
538.28
(3S,4R,5R,6S)-2-((2,4-dibromo-6-((cyclohexyl(methyl)amino)methyl)phenyl)amino)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol/(2S,3S,4S,5R,E)-6-((2,4-dibromo-6-((cyclohexyl(methyl)amino)methyl)phenyl)imino)hexane-1,2,3,4,5-pentaol

Bromhexine Impurity 82
CAS:N/A
Formula: C20H30Br2N2O5
RM-B082482
538.28
(3R,4S,5R)-2-(((2,4-dibromo-6-((cyclohexyl(methyl)amino)methyl)phenyl)amino)methyl)tetrahydro-2H-pyran-2,3,4,5-tetraol

Bromhexine Impurity 83
CAS:N/A
Formula: C20H30Br2N2O5
RM-B082483
538.28
(2R,3R,4R,5S,E)-6-((2,4-dibromo-6-((cyclohexyl(methyl)amino)methyl)phenyl)imino)hexane-1,2,3,4,5-pentaol

BROMHEXINE IMPURITY 9
CAS:63471-27-2
Formula: C14H21BrN2
RM-B082435
297.23
2-bromo-6-((cyclohexyl(methyl)amino)methyl)aniline

Bromhexine Impurity 96
CAS:5432-28-0
Formula: C7H14N2O
RM-B082496
142.2
N-cyclohexyl-N-methylnitrous amide

Bromhexine Impurity 97
CAS:N/A
Formula: C13H17Br2N3O
RM-B082497
391.11
N-(2-amino-3,5-dibromobenzyl)-N-cyclohexylnitrous amide

Bromhexine Impurity 98
CAS:100669-82-7
Formula: C7H6Br2ClN
RM-B082498
299.39
2,4-dibromo-6-(chloromethyl)aniline

Bromhexine Impurity 99
CAS:100669-81-6
Formula: C7H6Br3N
RM-B082499
343.84
2,4-dibromo-6-(bromomethyl)aniline

BROMHEXINE IMPURITY G
CAS:1660957-96-9
Formula: C14H21BrCl2N2
RM-B082407
368.14
2-bromo-4-chloro-6-((cyclohexyl(methyl)amino)methyl)aniline hydrochloride

BROMOCHLOROIODOMETHANE
CAS:34970-00-8
Formula: CHBrClI
RM-H081303
255.28
Bromo(chloro)iodomethane

BROMOCHLORONITROMETHANE
CAS:135531-25-8
Formula: CHBrClNO2
RM-B150106
174.38
Bromochloro(nitro)methane

Bromocriptine Mesilate EP Impurity A
CAS:N/A
Formula: C32H38BrN5O4
RM-B031819
636.59
(6aR,9R)-5-bromo-N-(1-((3S,8aS)-3-isobutyl-1,4-dioxohexahydropyrrolo[1,2-a]pyrazin-2(1H)-yl)-3-methyl-1-oxobut-2-en-2-yl)-7-methyl-4,6,6a,7,8,9-hexahydroindolo[4,3-fg]quinoline-9-carboxamide

Bromocriptine Mesilate EP Impurity F
CAS:82773-21-5
Formula: C32H40BrN5O5
RM-B031806
654.59
(6aR,9R)-5-bromo-N-((2S,5S,10aS,10bS)-10b-hydroxy-5-isobutyl-2-isopropyl-3,6-dioxooctahydro-2H-oxazolo[3,2-a]pyrrolo[2,1-c]pyrazin-2-yl)-7-methyl-4,6,6a,7,8,9-hexahydroindolo[4,3-fg]quinoline-9-carboxamide

Bromocriptine Mesilate Impurity 18
CAS:N/A
Formula: C33H42BrN5O5
RM-B031818
668.63
(6aR,9R)-5-bromo-N-((2R,5S,10aS,10bS)-10b-hydroxy-2-isopropyl-5-(2-methylbutyl)-3,6-dioxooctahydro-8H-oxazolo[3,2-a]pyrrolo[2,1-c]pyrazin-2-yl)-7-methyl-4,6,6a,7,8,9-hexahydroindolo[4,3-fg]quinoline-9-carboxamide

BROMOCRIPTINE MESYLATE
CAS:22260-51-1
Formula: C32H40BrN5O5*CH3SO3H
RM-B031880
(6aR,9R)-5-bromo-N-((2R,5S,10aS,10bS)-10b-hydroxy-5-isobutyl-2-isopropyl-3,6-dioxooctahydro-8H-oxazolo[3,2-a]pyrrolo[2,1-c]pyrazin-2-yl)-7-methyl-4,6,6a,7,8,9-hexahydroindolo[4,3-fg]quinoline-9-carboxamide methanesulfonate

Bucinnazine Hydrochloride Impurity 6
CAS:87179-40-6
Formula: C13H18N2
RM-B031432
202.3
1-Cinnamylpiperazine

BUDESONIDE (MIXTURE OF DIASTEREOMERS)
CAS:51333-22-3
Formula: C25H34O6
RM-B041405
430.55
(6aR,6bS,7S,8aS,8bS,11aR,12aS,12bS)-7-hydroxy-8b-(2-hydroxyacetyl)-6a,8a-dimethyl-10-propyl-6a,6b,7,8,8a,8b,11a,12,12a,12b-decahydro-1H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-4(2H)-one

BUDESONIDE 21-BUTYRATE
CAS:2408495-96-3
Formula: C29H40O7
RM-B041431
500.62
2-((6aR,6bS,7S,8aS,8bS,11aR,12aS,12bS)-7-hydroxy-6a,8a-dimethyl-4-oxo-10-propyl-2,4,6a,6b,7,8,8a,8b,11a,12,12a,12b-dodecahydro-1H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-8b-yl)-2-oxoethyl butyrate

BUDESONIDE EP IMPURITY A (16-ALPHA-HYDROXY-PREDNISOLONE)
CAS:13951-70-7
Formula: C21H28O6
RM-B041420
376.44
(8S,9S,10R,11S,13S,14S,16R,17S)-11,16,17-Trihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one

BUDESONIDE EP IMPURITY B (D-HOMO BUDESONIDE (MIXTURE OF DIASTEREOMERS))
CAS:1040085-98-0
Formula: C23H30O6
RM-B041412
402.49
(6aR,6bS,7S,8aS,8bS,11aR,12aS,12bS)-7-hydroxy-8b-(2-hydroxyacetyl)-6a,8a,10-trimethyl-1,2,6a,6b,7,8,8a,8b,11a,12,12a,12b-dodecahydro-4H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-4-one

BUDESONIDE EP IMPURITY C
CAS:1040085-99-1
Formula: C25H34O6
RM-B041422
430.53
(4aR,4bS,5S,6aS,7aR,10aR,11aS,11bS)-5-hydroxy-7a-(hydroxymethyl)-4a,6a-dimethyl-9-propyl-4b,5,6,6a,10a,11,11a,11b,12,13-decahydrochryseno[2,3-d][1,3]dioxole-2,7(4aH,7aH)-dione

Budesonide EP Impurity D(Mixture Of Diastereomers)
CAS:85234-63-5
Formula: C25H32O6 C25H34O7
RM-B041406
2-((6aR,6bS,7S,8aS,8bS,11aR,12aS,12bS)-7-hydroxy-6a,8a-dimethyl-4-oxo-10-propyl-1,2,4,6a,6b,7,8,8a,11a,12,12a,12b-dodecahydro-8bH-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-8b-yl)-2-oxoacetaldehyde/(6aR,6bS,7S,8aS,8bS,11aR,12aS,12bS)-8b-(2,2-dihydroxyacet

BUDESONIDE EP IMPURITY E
CAS:131918-64-4
Formula: C25H32O6
RM-B041411
428.52
(6aR,6bS,7S,8aS,8bS,11aR,12bR)-7-hydroxy-8b-(2-hydroxyacetyl)-6a,8a-dimethyl-10-propyl-6a,6b,7,8,8a,8b,11a,12b-octahydro-1H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-4(2H)-one

Budesonide EP Impurity G(Mixture Of Diastereomers)
CAS:137174-25-5
Formula: C25H36O6
RM-B041413
432.56
(6aR,6bS,7S,8aS,8bS,11aR,12aS,12bS)-7-hydroxy-8b-(2-hydroxyacetyl)-6a,8a-dimethyl-10-propyl-1,2,5,6,6a,6b,7,8,8a,8b,11a,12,12a,12b-tetradecahydro-4H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-4-one

BUDESONIDE EP IMPURITY H (MIXTURE OF DIASTEREOMERS)
CAS:313474-58-7
Formula: C25H32O5
RM-B041428
412.53
(6aS,8aS,8bS,11aR,12aS,12bS)-8b-(2-hydroxyacetyl)-6a,8a-dimethyl-10-propyl-6a,8,8a,8b,11a,12,12a,12b-octahydro-1H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-4(2H)-one

BUDESONIDE EP IMPURITY I
CAS:113930-13-5
Formula: C25H34O7
RM-B041427
446.53
(8S,9S,10R,11S,13S,14S,16R,17S)-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-16-yl butyrate

BUDESONIDE EP IMPURITY J (MIXTURE OF DIASTEREOMERS)
CAS:313474-59-8
Formula: C25H33BrO6
RM-B041426
509.43
(6aS,6bR,7S,8aS,8bS,11aR,12aS,12bS)-6b-bromo-7-hydroxy-8b-(2-hydroxyacetyl)-6a,8a-dimethyl-10-propyl-6a,6b,7,8,8a,8b,11a,12,12a,12b-decahydro-1H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-4(2H)-one

BUDESONIDE EP IMPURITY K
CAS:51333-05-2
Formula: C27H36O7
RM-B041410
472.57
2-((6aR,6bS,7S,8aS,8bS,11aR,12aS,12bS)-7-hydroxy-6a,8a-dimethyl-4-oxo-10-propyl-2,4,6a,6b,7,8,8a,8b,11a,12,12a,12b-dodecahydro-1H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-8b-yl)-2-oxoethyl acetate

Budesonide EP Impurity L (11-Keto Budesonide, Mixture Of Diastereomers)
CAS:216453-74-6
Formula: C25H32O6
RM-B041407
428.53
(6aR,6bS,8aS,8bS,11aR,12aS,12bS)-8b-(2-hydroxyacetyl)-6a,8a-dimethyl-10-propyl-6b,8,8a,8b,11a,12,12a,12b-octahydro-1H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxole-4,7(2H,6aH)-dione

Budesonide Impurity 101
CAS:N/A
Formula: C20H26O6
RM-B041501
362.42
(8S,9S,10R,11S,13S,14S,16R,17S)-11,16,17-trihydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylic acid

Budesonide Impurity 105
CAS:131711-17-6
Formula: C23H27BrO5
RM-B041505
463.37
2-((8S,9R,10S,11S,13S,14S)-9-bromo-11-hydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15-decahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate

Budesonide Impurity 30
CAS:N/A
Formula: C21H26O5
RM-B041430
358.43
(8S,9S,10R,11S,13S,14S)-17-(2,2-dihydroxyacetyl)-11-hydroxy-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15-decahydro-3H-cyclopenta[a]phenanthren-3-one

BUDESONIDE IMPURITY 33
CAS:77017-20-0
Formula: C23H28O6
RM-B041433
400.46
2-((8S,10S,13S,14S,16R,17S)-16,17-dihydroxy-10,13-dimethyl-3-oxo-6,7,8,10,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate

BUDESONIDE IMPURITY 34
CAS:2396-43-2
Formula: C12H24O3
RM-B041434
216.32
2,4,6-tripropyl-1,3,5-trioxane

Budesonide Impurity 37
CAS:N/A
Formula: C21H26O5
RM-B041437
358.43
(8S,9S,10R,11S,13S,14S,17R)-11-Hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-7,8,9,10,11,12,13,14,15,17-decahydro-3H-cyclopenta[a]phenanthrene-3,16(6H)-dione

Budesonide Impurity 39
CAS:131918-72-4
Formula: C23H28O7
RM-B041439
416.47
2-oxo-2-((8R,9S,10R,11S,13S,16R,17S)-11,16,17-trihydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,16,17-decahydro-3H-cyclopenta[a]phenanthren-17-yl)ethyl acetate

Budesonide Impurity 40
CAS:N/A
Formula: C28H41NO6
RM-B041440
487.64
(6aR,6bS,7S,8aS,8bS,11aR,12aS,12bS)-7-hydroxy-8b-((3-hydroxypropyl)glycyl)-6a,8a-dimethyl-10-propyl-1,2,6a,6b,7,8,8a,8b,11a,12,12a,12b-dodecahydro-4H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-4-one

Budesonide Impurity 42
CAS:131918-73-5
Formula: C21H26O6
RM-B041442
374.43
(8R,9S,10R,11S,13S,16R,17S)-11,16,17-trihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,9,10,11,12,13,16,17-decahydro-3H-cyclopenta[a]phenanthren-3-one

Budesonide Impurity 46
CAS:N/A
Formula: C21H26O5
RM-B041446
358.43
(10R,11S,13S)-17-(2,2-dihydroxyacetyl)-11-hydroxy-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15-decahydro-3H-cyclopenta[a]phenanthren-3-one

Budesonide Impurity 48
CAS:39672-76-9
Formula: C21H26O5
RM-B041448
358.43
(8S,10S,13S,14S,16R,17S)-16,17-dihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,10,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthren-3-one

Budesonide Impurity 50
CAS:52628-64-5
Formula: C23H30O6
RM-B041450
402.49
Prednisolone 17-acetate; (8S,9S,10R,11S,13S,14S,17R)-11-hydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl acetate

Budesonide Impurity 51
CAS:23825-05-0
Formula: C25H30O6
RM-B041451
426.51
(11�)-11,21-Bis(acetyloxy)pregna-1,4,16-triene-3,20-dione; 2-((8S,9S,10R,11S,13S,14S)-11-acetoxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15-decahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate

Budesonide Impurity 57
CAS:N/A
Formula: C21H24O5
RM-B041457
356.42
(8R,10S,13S,16R,17S)-16,17-dihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,10,12,13,16,17-octahydro-3H-cyclopenta[a]phenanthren-3-one

Budesonide Impurity 59
CAS:N/A
Formula: C23H26O5
RM-B041459
382.46
2-((10R,13S)-10,13-dimethyl-3,11-dioxo-6,7,8,9,10,11,12,13,14,15-decahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate

Budesonide Impurity 66
CAS:N/A
Formula: C23H26O6
RM-B041466
398.46
2-((8R,10S,13S,16R,17S)-16,17-dihydroxy-10,13-dimethyl-3-oxo-6,7,8,10,12,13,16,17-octahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate

Budesonide Impurity 70
CAS:85234-64-6
Formula: C23H30O5
RM-B041470
386.49
(8S,9S,10R,11S,13S,14S,16R)-11-hydroxy-10,13-dimethyl-3,17-dioxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-16-yl butyrate

Budesonide Impurity 78
CAS:N/A
Formula: C25H32O7
RM-B041478
444.52
2-((6aR,7S,8aS,8bS,11aR)-7-hydroxy-6a,8a-dimethyl-4-oxo-10-propyl-1,2,4,6a,6b,7,8,8a,11a,12,12a,12b-dodecahydro-8bH-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-8b-yl)-2-oxoacetic acid

Budesonide Impurity 86
CAS:N/A
Formula: C27H35NO9
RM-B041486
517.58
(11S,16R,17S)-17-(2-acetoxyacetyl)-16,17-dihydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-11-yl 4-amino-4-oxobutanoate

Budesonide Impurity 90
CAS:N/A
Formula: C20H24O5
RM-B041490
344.41
(8S,10S,13S,14S,16R,17S)-16,17-dihydroxy-10,13-dimethyl-3-oxo-6,7,8,10,12,13,14,15,16,17-decahydro-3H-cyclopenta[a]phenanthrene-17-carboxylic acid

Budesonide Impurity 91
CAS:N/A
Formula: C21H27BrO6
RM-B041491
455.35
(8S,9R,10S,11S,13S,14S,16R,17S)-9-bromo-11,16,17-trihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one

Budesonide Impurity 98
CAS:N/A
Formula: C23H27BrO7
RM-B041498
495.37
2-((8S,9R,10S,13S,14S,16R,17S)-9-bromo-16,17-dihydroxy-10,13-dimethyl-3,11-dioxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate

Budesonide Impurity 99
CAS:N/A
Formula: C20H25BrO6
RM-B041499
441.32
(8S,9R,10S,11S,13S,14S,16R,17S)-9-bromo-11,16,17-trihydroxy-10,13-dimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthrene-17-carboxylic acid

BUDESONIDE-22R
CAS:51372-29-3
Formula: C25H34O6
RM-B041404
430.55
(6aR,6bS,7S,8aS,8bS,10R,11aR,12aS,12bS)-7-hydroxy-8b-(2-hydroxyacetyl)-6a,8a-dimethyl-10-propyl-6a,6b,7,8,8a,8b,11a,12,12a,12b-decahydro-1H-naphtho[2',1':4,5]indeno[1,2-d][1,3]dioxol-4(2H)-one

BUMETANIDE EP IMPURITY A
CAS:28328-53-2
Formula: C13H10N2O7S
RM-B211301
338.29
3-Nitro-4-phenoxy-5-sulfamoylbenzoic Acid

BUMETANIDE EP IMPURITY B
CAS:28328-54-3
Formula: C13H12N2O5S
RM-B211302
308.31
3-Amino-4-phenoxy-5-sulfamoylbenzoic acid

BUMETANIDE EP IMPURITY C
CAS:32643-00-8
Formula: C21H28N2O5S
RM-B211303
420.52
butyl 3-(butylamino)-4-phenoxy-5-sulfamoylbenzoate

BUMETANIDE EP IMPURITY D
CAS:153012-65-8
Formula: C21H28N2O5S
RM-B211304
420.52
3-((2-ethylhexyl)amino)-4-phenoxy-5-sulfamoylbenzoic acid

Bumetanide Impurity 14
CAS:32642-56-1
Formula: C7H6N2O7S
RM-B211314
262.19
4-hydroxy-3-nitro-5-sulfamoylbenzoic acid

Bumetanide Impurity 16
CAS:130262-91-8
Formula: C7H4ClNO7S
RM-B211316
281.62
4-chloro-3-nitro-5-sulfobenzoic acid

Bumetanide Impurity 18
CAS:22892-96-2
Formula: C7H5ClN2O6S
RM-B211318
280.64
4-CHLORO-3-NITRO-5-SULFAMOYLBENZOIC ACID

Bumetanide Impurity 23
CAS:1236290-34-8
Formula: C21H28N2O5S
RM-B211323
420.52
3-(dibutylamino)-4-phenoxy-5-sulfamoylbenzoic acid

Bumetanide Impurity 26
CAS:N/A
Formula: C11H16N2O5S
RM-B211326
288.32
3-(butylamino)-4-hydroxy-5-sulfamoylbenzoic acid

Bumetanide Impurity 28
CAS:N/A
Formula: C17H19NO6S
RM-B211328
365.4
3-(butylamino)-4-phenoxy-5-sulfobenzoic acid

Bumetanide Impurity 30
CAS:105641-65-4
Formula: C17H19NO3
RM-B211330
285.34
3-(butylamino)-4-phenoxybenzoic acid

Bumetanide Impurity 31
CAS:28469-01-4
Formula: C21H28N2O5S
RM-B211331
420.52
3-(butylamino)-5-(N-butylsulfamoyl)-4-phenoxybenzoic acid

Bumetanide Impurity 48
CAS:N/A
Formula: C17H19NO6S
RM-B211348
365.4
3-(isobutylamino)-4-phenoxy-5-sulfobenzoic acid

Bumetanide Impurity 51
CAS:N/A
Formula: C29H40N2O15S
RM-B211351
688.7
3-(butylamino)-5-(N-((3R,4R,5S,6R)-3,4-dihydroxy-6-(hydroxymethyl)-5-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)sulfamoyl)-4-phenoxybenzoic acid

Bumetanide Impurity 63
CAS:22893-29-4
Formula: C11H15ClN2O4S
RM-B211363
306.76
3-(butylamino)-4-chloro-5-sulfamoylbenzoic acid

Bumetanide Impurity 65
CAS:N/A
Formula: C26H22N4O10S2
RM-B211365
614.6
5,5'-(hydrazine-1,2-diyl)bis(4-phenoxy-3-sulfamoylbenzoic acid)

BUMETANIDE IMPURITY 7
CAS:28395-28-0
Formula: C16H18N2O5S
RM-B211307
350.39
4-Phenoxy-3-(propylamino)-5-sulfamoylbenzoic acid

BUMETANIDE IMPURITY 8
CAS:N/A
Formula: C29H40N2O15S
RM-B211308
688.7
3-(butylamino)-5-(N-((2R,3R,4R,5S,6R)-3,4-dihydroxy-6-(hydroxymethyl)-5-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl)sulfamoyl)-4-phenoxybenzoic acid

Bumetanide Impurity 84
CAS:N/A
Formula: C17H18N2O6S
RM-B211384
378.4
3-butyramido-4-phenoxy-5-sulfamoylbenzoic acid

Bupivacaine EP Impurity A; Mepivacaine EP Impurity C
CAS:39627-98-0
Formula: C14H14N2O
RM-B162201
226.28
N-(2,6-Dimethylphenyl)picolinamide

Bupivacaine EP Impurity B; Mepivacaine EP Impurity B
CAS:15883-20-2
Formula: C14H20N2O
RM-B162202
232.32
N-(2,6-Dimethylphenyl)piperidine-2-carboxamide

BUPIVACAINE EP IMPURITY C
CAS:1797894-80-4
Formula: C14H17NO
RM-B162203
215.29
1-(2,6-dimethylphenyl)-6,7-dihydro-1H-azepin-2(5H)-one

BUPIVACAINE EP IMPURITY D
CAS:1037184-07-8
Formula: C14H19Cl2NO
RM-B162204
288.21
2,6-Dichloro-N-(2,6-dimethylphenyl)hexanamide

BUPIVACAINE EP IMPURITY E
CAS:1330172-81-0
Formula: C18H30N2O
RM-B162205
290.44
6-(Butylamino)-N-(2,6-dimethylphenyl)hexanamide

BUPIVACAINE HYDROCHLORIDE
CAS:73360-54-0
Formula: C18H28N2O*HCl*H2O
RM-B162200
1-butyl-N-(2,6-dimethylphenyl)piperidine-2-carboxamide hydrochloride hydrate

BUPIVACAINE IMPURITY 12
CAS:2125994-25-2
Formula: C18H28N2O
RM-B162212
288.43
1-(sec-butyl)-N-(2,6-dimethylphenyl)piperidine-2-carboxamide

BUPIVACAINE IMPURITY 13
CAS:856838-98-7
Formula: C10H19NO2
RM-B162213
185.26
1-butylpiperidine-2-carboxylic acid

BUPIVACAINE N-OXIDE
CAS:1346597-81-6
Formula: C18H28N2O2
RM-B162227
304.43
1-butyl-2-((2,6-dimethylphenyl)carbamoyl)piperidine 1-oxide

BUPROPION 2-BROMO IMPURITY
CAS:34911-51-8
Formula: C9H8BrClO
RM-B161609
247.52
2-Bromo-3'-chloropropiophenone

BUPROPION DES-T-BUTYLAMINO IMPURITY
CAS:34841-35-5
Formula: C9H9ClO
RM-B161608
168.62
3'-Chloropropiophenone

Bupropion Hydroxy Impurity; Hydroxybupropion
CAS:92264-81-8
Formula: C13H18ClNO2
RM-B161612
255.74
1-(3-Chlorophenyl)-2-((1-hydroxy-2-methylpropan-2-yl)amino)propan-1-one

BUPROPION IMPURITY Q
CAS:119802-69-6
Formula: C9H10ClNO
RM-B161617
183.63
2-amino-1-(3-chlorophenyl)propan-1-one

BUPROPION IMPURITY S
CAS:2133460-42-9
Formula: C12H14ClNO3S
RM-B161619
287.76
(3S,5S,6S)-6-(3-chlorophenyl)-6-hydroxy-5-methylthiomorpholine-3-carboxylic acid

BUPROPION IMPURITY T
CAS:2133460-43-0
Formula: C12H14ClNO3S
RM-B161620
287.76
(3S,5R,6R)-6-(3-chlorophenyl)-6-hydroxy-5-methylthiomorpholine-3-carboxylic acid

BUPROPION USP RELATED COMPOUND A
CAS:1049718-72-0
Formula: C13H18ClNO*HCl
RM-B161601
2-(t-Butylamino)-4'-chloropropiophenone hydrochloride

BUPROPION USP RELATED COMPOUND C
CAS:152943-33-4
Formula: C9H9ClO2
RM-B161603
184.62
1-(3-Chlorophenyl)-2-hydroxy-1-propanone

BUPROPION USP RELATED COMPOUND F
CAS:857233-13-7
Formula: C9H9ClO2
RM-B161606
184.62
1-(3-Chlorophenyl)-1-hydroxy-2-propanone

BUSPIRONE EP IMPURITY A
CAS:20980-22-7
Formula: C8H12N4
RM-B161801
164.21
2-(Piperazin-1-yl)pyrimidine

BUSPIRONE EP IMPURITY B
CAS:81461-72-5
Formula: C12H19ClN4
RM-B161802
254.76
8-(pyrimidin-2-yl)-5,8-diazaspiro[4.5]decan-5-ium chloride

BUSPIRONE EP IMPURITY C
CAS:N/A
Formula: C20H30N8
RM-B161803
382.51
2,2'-[Butane-1,4-diylbis(piperazine-1,4-diyl)]dipyrimidine

BUSPIRONE EP IMPURITY D
CAS:N/A
Formula: C24H38N8O
RM-B161804
454.61
2,2'-((oxybis(butane-4,1-diyl))bis(piperazine-4,1-diyl))dipyrimidine

BUSPIRONE EP IMPURITY E
CAS:257877-43-3
Formula: C21H33N5O3
RM-B161805
403.52
[1-[2-Oxo-2-[[4-[4-(pyrimidin-2-yl)piperazin-1-yl]butyl]amino]ethyl] cyclopentyl]acetic acid

BUSPIRONE EP IMPURITY F
CAS:2512210-24-9
Formula: C33H51N9O3
RM-B161806
621.82
4-(4-(Pyrimidin-2-yl)piperazin-1-yl)butyl 2-(1-(2-Oxo-2-((4-(4-(pyrimidin-2-yl)piperazin-1-yl)butyl)amino)ethyl)cyclopentyl)acetate

BUSPIRONE EP IMPURITY H
CAS:N/A
Formula: C33H50N8O4
RM-B161808
622.8
bis(4-(4-(pyrimidin-2-yl)piperazin-1-yl)butyl) 2,2'-(cyclopentane-1,1-diyl)diacetate

BUSPIRONE EP IMPURITY I
CAS:N/A
Formula: C21H30ClN5O2
RM-B161809
419.95
8-[4-[4-(5-Chloropyrimidin-2-yl)piperazin-1-yl]butyl]-8-azaspiro[4.5]decane-7,9-dione

BUSPIRONE EP IMPURITY J
CAS:2726492-72-2
Formula: C34H52N6O5
RM-B161810
624.81
4-(7,9-Dioxo-8-azaspiro[4.5]dec-8-yl)butyl [1-[2-oxo-2-[[4-[4-(pyrimidin-2-yl)piperazin-1-yl]butyl]amino]ethyl]-cyclopentyl]acetate

BUSPIRONE EP IMPURITY M
CAS:80827-62-9
Formula: C13H20BrNO2
RM-B161816
302.21
8-(4-Bromobutyl)-8-azaspiro[4.5]decane-7,9-dione

BUSPIRONE IMPURITY 19
CAS:872826-80-7
Formula: C8H11N5O
RM-B161819
193.21
2-(4-nitrosopiperazin-1-yl)pyrimidine

Buspirone Impurity 27
CAS:N/A
Formula: C25H41N5O3
RM-B161827
459.64
butyl 2-(1-(2-oxo-2-((4-(4-(pyrimidin-2-yl)piperazin-1-yl)butyl)amino)ethyl)cyclopentyl)acetate

Buspirone Impurity 28
CAS:N/A
Formula: C23H37N5O3
RM-B161828
431.58
ethyl 2-(1-(2-oxo-2-((4-(4-(pyrimidin-2-yl)piperazin-1-yl)butyl)amino)ethyl)cyclopentyl)acetate

Busulfan Impurity 14
CAS:N/A
Formula: C9H20O7S2
RM-B190614
304.37
4-(4-(methoxysulfonyl)butoxy)butane-1-sulfonic acid

BUSULFAN IMPURITY 5
CAS:19859-00-8
Formula: C7H14O5S
RM-B190605
210.24
4-((Methylsulfonyl)oxy)butyl Acetate, Busulfan Impurity

BUSULFAN IMPURITY 7
CAS:1797106-48-9
Formula: C6H14O5S2
RM-B190607
230.29
4-((methylsulfinyl)oxy)butyl methanesulfonate

BUSULFAN IMPURITY 9
CAS:42729-95-3
Formula: C5H12O4S
RM-B190609
168.21
4-hydroxybutyl methanesulfonate

BUTYLHYDROXYANISOLE
CAS:25013-16-5
Formula: C11H16O2
RM-B080100
180.24
2-(tert-butyl)-4-methoxyphenol; 3-(tert-butyl)-4-methoxyphenol

BUTYLPHTHALIDE IMPURITY 1
CAS:64002-57-9
Formula: C11H12O2
RM-B212501
176.21
3-isopropylisobenzofuran-1(3H)-one

BUTYLPHTHALIDE IMPURITY 14
CAS:380905-48-6
Formula: C12H16O3
RM-B212514
208.25
2-(1-hydroxypentyl)benzoic acid

BUTYLPHTHALIDE IMPURITY 15
CAS:87-41-2
Formula: C8H6O2
RM-B212515
134.13
isobenzofuran-1(3H)-one

BUTYLPHTHALIDE IMPURITY 17
CAS:17475-41-1
Formula: C10H10O2
RM-B212517
162.19
3-ethylisobenzofuran-1(3H)-one

BUTYLPHTHALIDE IMPURITY 18
CAS:111943-62-5
Formula: C13H16O2
RM-B212518
204.26
3-pentylisobenzofuran-1(3H)-one

BUTYLPHTHALIDE IMPURITY 2
CAS:199736-94-2
Formula: C12H14O2
RM-B212502
190.24
3-isobutylisobenzofuran-1(3H)-one

BUTYLPHTHALIDE IMPURITY 20
CAS:162050-42-2
Formula: C12H14O3
RM-B212520
206.24
3-butyl-3-hydroxyisobenzofuran-1(3H)-one

BUTYLPHTHALIDE IMPURITY 34
CAS:72424-08-9
Formula: C11H12O2
RM-B212534
176.21
3-propylisobenzofuran-1(3H)-one

Butylphthalide Impurity 36
CAS:2360-45-4
Formula: C10H10O3
RM-B212536
178.19
2-propionylbenzoic acid

Butylphthalide Impurity 37
CAS:19666-03-6
Formula: C11H12O3
RM-B212537
192.21
2-butyrylbenzoic acid

BUTYLPHTHALIDE IMPURITY 38
CAS:857538-11-5
Formula: C13H16O3
RM-B212538
220.27
2-hexanoylbenzoic acid

Butylphthalide Impurity 42
CAS:261783-87-3
Formula: C12H14O2
RM-B212542
190.24
3-(sec-butyl)isobenzofuran-1(3H)-one

Butylphthalide Impurity 45
CAS:172687-90-0
Formula: C16H22O2
RM-B212545
246.35
3,3-dibutylisobenzofuran-1(3H)-one

BUTYLPHTHALIDE IMPURITY 9
CAS:16692-58-3
Formula: C12H14O2
RM-B212509
190.24
2-(pent-1-en-1-yl)benzoic acid

CABAZITAXEL
CAS:183133-96-2
Formula: C45H57NO14
RM-C022000
835.93
(2aR,4S,4aS,6R,9S,11S,12S,12aR,12bS)-12b-acetoxy-9-(((2R,3S)-3-((tert-butoxycarbonyl)amino)-2-hydroxy-3-phenylpropanoyl)oxy)-11-hydroxy-4,6-dimethoxy-4a,8,13,13-tetramethyl-5-oxo-2a,3,4,4a,5,6,9,10,11,12,12a,12b-dodecahydro-1H-7,11-methanocyclodeca[3,4]be

CABAZITAXEL IMPURITY 15
CAS:859498-34-3
Formula: C22H25NO6
RM-C022015
399.44
(2R,4R,5S)-3-(tert-butoxycarbonyl)-2-(4-methoxyphenyl)-4-phenyloxazolidine-5-carboxylic acid

CABERGOLINE EP IMPURITY B
CAS:166533-36-4
Formula: C26H37N5O2
RM-C012702
451.6
(6aR,9R,10aR)-7-allyl-N9-(3-(dimethylamino)propyl)-N4-ethyl-6a,7,8,9,10,10a-hexahydroindolo[4,3-fg]quinoline-4,9(6H)-dicarboxamide

CABERGOLINE EP IMPURITY C
CAS:126554-50-5
Formula: C29H42N6O3
RM-C012703
522.68
(6aR,9R,10aR)-7-allyl-N9-(3-(dimethylamino)propyl)-N4-ethyl-N9-(ethylcarbamoyl)-6a,7,8,9,10,10a-hexahydroindolo[4,3-fg]quinoline-4,9(6H)-dicarboxamide

CABOZANTINIB
CAS:849217-68-1
Formula: C28H24FN3O5
RM-C022630
501.51
N-(4-((6,7-dimethoxyquinolin-4-yl)oxy)phenyl)-N-(4-fluorophenyl)cyclopropane-1,1-dicarboxamide

CABOZANTINIB IMPURITY 22
CAS:2439164-91-5
Formula: C39H34N4O8
RM-C022622
686.71
N,N'-bis(4-((6,7-dimethoxyquinolin-4-yl)oxy)phenyl)cyclopropane-1,1-dicarboxamide

Cabozantinib Impurity 24
CAS:1621681-63-7
Formula: C28H24FN3O6
RM-C022624
517.51
4-(4-(1-((4-fluorophenyl)carbamoyl)cyclopropanecarboxamido)phenoxy)-6,7-dimethoxyquinoline 1-oxide

CABOZANTINIB IMPURITY 26
CAS:26198-19-6
Formula: C6H4ClN3O
RM-C022626
169.57
6-chloro-1H-benzo[d][1,2,3]triazol-1-ol

Cabozantinib Impurity 27
CAS:849217-48-7
Formula: C11H10FNO3
RM-C022627
223.2
1-((4-Fluorophenyl)carbamoyl)cyclopropanecarboxylic acid

Cabozantinib Impurity 28
CAS:849217-60-3
Formula: C17H15FN2O3
RM-C022628
314.31
N-(4-fluorophenyl)-N-(4-hydroxyphenyl)cyclopropane-1,1-dicarboxamide

Cabozantinib Impurity 44
CAS:N/A
Formula: C28H24FN3O5
RM-C022644
501.51
N-(4-((6,7-dimethoxyquinolin-4-yl)oxy)phenyl)-N-(2-fluorophenyl)cyclopropane-1,1-dicarboxamide

Cabozantinib Impurity 62
CAS:N/A
Formula: C28H24FN3O5
RM-C022662
501.51
N-(4-((6,7-dimethoxyquinolin-4-yl)oxy)phenyl)-N-(3-fluorophenyl)cyclopropane-1,1-dicarboxamide

CABOZANTINIB IMPURITY C
CAS:849221-94-9
Formula: C28H25N3O5
RM-C022603
483.52
Cabozantinib Impurity C

CABOZANTINIB IMPURITY F
CAS:849217-77-2
Formula: C22H20N2O6
RM-C022606
408.4
1-((4-((6,7-dimethoxyquinolin-4-yl)oxy)phenyl)carbamoyl)cyclopropanecarboxylic acid

CABOZANTINIB MALATE
CAS:1140909-48-3
Formula: C28H24FN3O5;C4H6O5
RM-C291000
Butanedioic acid, 2-hydroxy-, (2S)-, compd. with N-[4-[(6,7- dimethoxy-4-quinolinyl)oxy]phenyl]-N'-(4-fluorophenyl)-1,1- cyclopropanedicarboxamide

CALCIPOTRIOL
CAS:112965-21-6
Formula: C27H40O3
RM-C120900
412.6
Calciptriol, MC-903, Daivonex, Dovonex, Psorcutan; (1R,3S,Z)-5-(2-((1R,3aS,7aR,E)-1-((2R,5S,E)-5-cyclopropyl-5-hydroxypent-3-en-2-yl)-7a-methyloctahydro-4H-inden-4-ylidene)ethylidene)-4-methylenecyclohexane-1,3-diol

CALCIPOTRIOL EP IMPURITY A
CAS:126860-83-1
Formula: C27H38O3
RM-C120901
410.59
(R,E)-1-cyclopropyl-4-((1R,3aS,7aR,E)-4-((Z)-2-((3S,5R)-3,5-dihydroxy-2-methylenecyclohexylidene)ethylidene)-7a-methyloctahydro-1H-inden-1-yl)pent-2-en-1-one

CALCIPOTRIOL EP IMPURITY B
CAS:N/A
Formula: C27H40O3
RM-C120902
412.6
(1R,3S,Z)-5-((Z)-2-((1R,3aS,7aR)-1-((2R,5S,E)-5-cyclopropyl-5-hydroxypent-3-en-2-yl)-7a-methylhexahydro-1H-inden-4(2H)-ylidene)ethylidene)-4-methylenecyclohexane-1,3-diol

CALCIPOTRIOL EP IMPURITY C
CAS:113082-99-8
Formula: C27H40O3
RM-C120903
412.62
(1R,3S,E)-5-((E)-2-((1R,3aS,7aR)-1-((2R,5S,E)-5-cyclopropyl-5-hydroxypent-3-en-2-yl)-7a-methylhexahydro-1H-inden-4(2H)-ylidene)ethylidene)-4-methylenecyclohexane-1,3-diol

CALCIPOTRIOL EP IMPURITY D
CAS:112827-99-3
Formula: C27H40O3
RM-C120904
412.6
(1R,3S,Z)-5-((E)-2-((1R,3aS,7aR)-1-((2R,5R,E)-5-cyclopropyl-5-hydroxypent-3-en-2-yl)-7a-methylhexahydro-1H-inden-4(2H)-ylidene)ethylidene)-4-methylenecyclohexane-1,3-diol

CALCIPOTRIOL EP IMPURITY F
CAS:112875-61-3
Formula: C39H68O3Si2
RM-C120906
641.13
(1S,4R,E)-4-((1R,3aS,7aR,E)-4-((Z)-2-((3S,5R)-3,5-bis((tert-butyldimethylsilyl)oxy)-2-methylenecyclohexylidene)ethylidene)-7a-methyloctahydro-1H-inden-1-yl)-1-cyclopropylpent-2-en-1-ol

Calcipotriol Impurity 61
CAS:126860-84-2
Formula: C27H40O3
RM-C120961
412.61
(R)-1-cyclopropyl-4-((1R,3aS,7aR,E)-4-((Z)-2-((3S,5R)-3,5-dihydroxy-2-methylenecyclohexylidene)ethylidene)-7a-methyloctahydro-1H-inden-1-yl)pentan-1-one

Calcitonin (Salmon) EP Impurity B
CAS:N/A
Formula: C145H240N44O48S2
RM-C033002
3431.9
[9-D-leucine]calcitonin (salmon)

Calcitonin (Salmon) EP Impurity C
CAS:78312-75-1
Formula: C136H231N43O46S2
RM-C033003
3268.72
des-22-tyrosine-calcitonin (salmon); 1,2-Dithia-5,8,11,14,17,20-hexaazacyclotricosane, cyclic peptide deriv.

CALCITRIOL EP IMPURITY C
CAS:N/A
Formula: C35H49N3O5
RM-C081333
591.78
pre-Calcitriol PTAD Adduct; Rocaltrol Impurity C; 1,25-Dihydroxy Vitamin D3 Impurity C; (6aR,7R,9aR)-11-((3S,5R)-3,5-dihydroxy-2-methylcyclohex-1-en-1-yl)-7-((R)-6-hydroxy-6-methylheptan-2-yl)-6a-methyl-2-phenyl-4a,6,6a,7,8,9,9a,11-octahydro-1H,5H-cyclope

Calcitriol Impurity 21 (1-Alfa,25-Dihydroxyprevitamin D3)
CAS:57102-09-7
Formula: C27H44O3
RM-C081321
416.65
(1R,3S)-5-((Z)-2-((1R,3aR,7aR)-1-((R)-6-hydroxy-6-methylheptan-2-yl)-7a-methyl-2,3,3a,6,7,7a-hexahydro-1H-inden-4-yl)vinyl)-4-methylcyclohex-4-ene-1,3-diol

Calcitriol Impurity 47
CAS:86307-44-0
Formula: C35H49N3O5
RM-C081347
591.79
(4aR,6aR,7R,9aR,11S)-11-((3S,5R)-3,5-dihydroxy-2-methylcyclohex-1-en-1-yl)-7-((R)-6-hydroxy-6-methylheptan-2-yl)-6a-methyl-2-phenyl-4a,6,6a,7,8,9,9a,11-octahydro-1H,5H-cyclopenta[f][1,2,4]triazolo[1,2-a]cinnoline-1,3(2H)-dione

CALCIUM DOBESILATE IMPURITY 15
CAS:98-67-9
Formula: C6H6O4S
RM-D151915
174.17
4-Hydroxybenzenesulfonic acid

Calcium Dobesilate Impurity 16
CAS:N/A
Formula: C7H8O5S
RM-D151916
204.2
methyl 2,4-dihydroxybenzenesulfonate

Calcium Dobesilate Impurity 17
CAS:N/A
Formula: C8H10O5S
RM-D151917
218.22
ethyl 2,4-dihydroxybenzenesulfonate

CALCIUM DOBESILATE IMPURITY 5
CAS:81010-88-0
Formula: C6H6O8S2
RM-D151905
270.23
2,5-dihydroxybenzene-1,3-disulfonic acid

Calcium Folinate EP Impurity B (5,10-Diformyltetrahydrofolic Acid)
CAS:98814-60-9
Formula: C21H23N7O8
RM-L051510
501.45
(2S)-2-(4-(N-((2-amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methyl)formamido)benzamido)pentanedioic acid

CALCIUM LEVOFOLINATE
CAS:80433-71-2
Formula: C20H21N7O7 Ca
RM-L051500
calcium (S)-2-(4-((((S)-2-amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methyl)amino)benzamido)pentanedioate

Calcium Levofolinate EP Impurity B
CAS:N/A
Formula: C21H23N7O8
RM-L051502
501.45
5,10-diformyl_x0002_tetrahydrolevofolic acid; (S)-2-(4-(N-(((R)-2-amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methyl)formamido)benzamido)pentanedioic acid

Calcium Levofolinate EP Impurity E
CAS:944737-05-7
Formula: C15H16N6O4
RM-L051505
344.33
(S)-4-(((2-amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methyl)amino)benzoic acid

Calcium Levofolinate EP Impurity F; 10-Formyl-7,8-Dihydro Folic Acid; Calcium Folinate EP Impurity F(10-Formyldihydrofolic Acid)
CAS:28459-40-7
Formula: C20H21N7O7
RM-F120308
471.42
(S)-2-(4-(N-((2-amino-4-oxo-1,4,7,8-tetrahydropteridin-6-yl)methyl)formamido)benzamido)pentanedioic acid

CALCIUM LEVOFOLINATE EP IMPURITY H
CAS:73951-54-9
Formula: C20H23N7O7
RM-L051508
473.44
(S)-2-(4-((((R)-2-amino-5-formyl-4-oxo-1,4,5,6,7,8-hexahydropteridin-6-yl)methyl)amino)benzamido)pentanedioic acid

CALCIUM LEVOFOLINATE EP IMPURITY I
CAS:31690-11-6
Formula: C20H23N7O6
RM-F120310
457.44
(S)-2-(4-((R)-3-amino-1-oxo-5,6,6a,7-tetrahydroimidazo[1,5-f]pteridin-8(1H,4H,9H)-yl)benzamido)pentanedioic acid

Calcium Levofolinate Impurity 17
CAS:N/A
Formula: C20H23N7O7
RM-L051517
473.45
(4-(((2-amino-5-formyl-4-oxo-3,4,5,6,7,8-hexahydropteridin-6-yl)methyl)amino)benzoyl)glutamic acid

Calcium Levofolinate Impurity 19
CAS:39707-61-4
Formula: C19H17N7O7
RM-L051519
455.39
(4-(2-amino-4-oxo-4,8-dihydropteridine-6-carboxamido)benzoyl)-L-glutamic acid

CALCOBUTROL
CAS:1629237-26-8
Formula: C18H34N4O9
RM-C012900
450.49
2,2',2''-(10-((2R,3S)-1,3,4-trihydroxybutan-2-yl)-1,4,7,10-tetraazacyclododecane-1,4,7-triyl)triacetic acid

Caloxetate Trisodium
CAS:207230-20-4
Formula: C23H33N3O11*Ca*3Na
RM-C356001
Calciate(3-), [N-[(2S)-2-[bis[(carboxy-?O)methyl]amino-?N]-3-(4-ethoxyphenyl)propyl]-N-[2-[bis[(carboxy-?O)methyl]amino-?N]ethyl]glycinato(5-)- ?N,?O]-, sodium (1:3), (SA-8-11252634)-; Calciate(3-), [N-[(2S)-2-[bis[(carboxy-?O)methyl]amino-?N]-3-(4-ethoxy

CAMPHOR BENZALKONIUM METHOSULFATE
CAS:52793-97-2
Formula: C21H31NO5S
RM-B261105
409.54
(Z)-N,N,N-trimethyl-4-((4,7,7-trimethyl-3-oxobicyclo[2.2.1]heptan-2-ylidene)methyl)benzenaminium methyl sulfate

CAMPHOR IMPURITY 11
CAS:62319-13-5
Formula: C11H18O4S
RM-C012811
246.32
methyl ((1S,4R)-7,7-dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonate

CAMPHOR IMPURITY 12
CAS:108481-13-6
Formula: C12H20O4S
RM-C012812
260.35
ethyl (7,7-dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonate

Camphor Impurity 13
CAS:1242184-36-6
Formula: C12H20O4S
RM-C012813
260.35
ethyl ((1R,4S)-7,7-dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonate

Camphor Impurity 14
CAS:83603-04-7
Formula: C11H18O4S
RM-C012814
246.32
methyl ((1R,4S)-7,7-dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonate

Camphor Impurity 15
CAS:154335-57-6
Formula: C12H20O4S
RM-C012815
260.35
ethyl ((1S,4R)-7,7-dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonate

Camptothecin Impurity 19
CAS:647852-82-2
Formula: C22H20N2O5
RM-C162019
392.41
(R)-4,11-diethyl-4,9-dihydroxy-1,12-dihydro-14H-pyrano[3',4':6,7]indolizino[1,2-b]quinoline-3,14(4H)-dione

CANAGLIFLOZIN
CAS:842133-18-0
Formula: C24H25FO5S
RM-C182500
444.52
(2S,3R,4R,5S,6R)-2-(3-((5-(4-fluorophenyl)thiophen-2-yl)methyl)-4-methylphenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol

CANAGLIFLOZIN IMPURITY 10
CAS:N/A
Formula: C24H25FO5S
RM-C182536
444.52
(2S,3R,4R,5S,6R)-2-(3-((5-(4-fluorophenyl)thiophen-2-yl)methyl)-2-methylphenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol

Canagliflozin Impurity 110
CAS:N/A
Formula: C24H25FO5S
RM-C182810
444.52
(2R,3R,4R)-2-((R)-1,2-Dihydroxyethyl)-5-(3-((5-(4-fluorophenyl)thiophen-2-yl)methyl)-4-methylphenyl)tetrahydrofuran-3,4-diol

CANAGLIFLOZIN IMPURITY 16
CAS:2146135-87-5
Formula: C26H27FO6S
RM-C182542
486.55
((2R,3S,4R,5R,6S)-6-(3-((5-(4-fluorophenyl)thiophen-2-yl)methyl)-4-methylphenyl)-3,4,5-trihydroxytetrahydro-2H-pyran-2-yl)methyl acetate

CANAGLIFLOZIN IMPURITY 53
CAS:32384-65-9
Formula: C18H42O6Si4
RM-C182553
466.86
(3R,4S,5R,6R)-3,4,5-tris((trimethylsilyl)oxy)-6-(((trimethylsilyl)oxy)methyl)tetrahydro-2H-pyran-2-one

CANAGLIFLOZIN IMPURITY 58
CAS:1951467-29-0
Formula: C24H25FO6S
RM-C182558
460.52
(2S,3R,4R,5S,6R)-2-(3-((5-(4-fluorophenyl)thiophen-2-yl)(hydroxy)methyl)-4-methylphenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol

CANAGLIFLOZIN IMPURITY 66
CAS:1818268-45-9
Formula: C18H14FIOS
RM-C182566
424.27
(5-(4-fluorophenyl)thiophen-2-yl)(5-iodo-2-methylphenyl)methanol

CANAGLIFLOZIN IMPURITY A
CAS:842133-16-8
Formula: C24H26O5S
RM-C182501
426.53
(2R,3S,4R,5R,6S)-2-(hydroxymethyl)-6-(4-methyl-3-((5-phenylthiophen-2-yl)methyl)phenyl)tetrahydro-2H-pyran-3,4,5-triol

CANAGLIFLOZIN IMPURITY B
CAS:1589590-87-3
Formula: C24H25FO5S
RM-C182572
444.52
(2R,3R,4R,5S,6R)-2-(3-((5-(4-fluorophenyl)thiophen-2-yl)methyl)-4-methylphenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol

Canagliflozin Impurity H1
CAS:90-80-2
Formula: C6H10O6
RM-C182578
178.14
(3R,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-one

CANDESARTAN CILEXETIL EP IMPURITY A
CAS:139481-58-6
Formula: C26H24N6O3
RM-C192001
468.51
ethyl 1-((2'-(1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-2-ethoxy-1H-benzo[d]imidazole-7-carboxylate

CANDESARTAN CILEXETIL EP IMPURITY B
CAS:869631-11-8
Formula: C31H30N6O6
RM-C192002
582.61
1-(((cyclohexyloxy)carbonyl)oxy)ethyl 3-((2'-(1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-2-oxo-2,3-dihydro-1H-benzo[d]imidazole-4-carboxylate

CANDESARTAN CILEXETIL EP IMPURITY C
CAS:1185255-99-5
Formula: C33H34N6O6
RM-C192003
610.66
(1RS)-1-[[(Cyclohexyloxy)carbonyl]oxy]ethyl 3-[[2'-(1-ethyl-1H-tetrazol-5-yl)biphenyl-4-yl]methyl]-2-oxo-2,3-dihydro-1H-benzimidazole-4-carboxylate

CANDESARTAN CILEXETIL EP IMPURITY D
CAS:1185256-03-4
Formula: C33H34N6O6
RM-C192004
610.66
3-[[2'-(2-Ethyl-2H-tetrazol-5-yl)[1,1'-biphenyl]-4-yl]methyl]-2,3-dihydro-2-oxo-1H-benzimidazole-4-carboxylic acid 1-[[(cyclohexyloxy)carbonyl]oxy]ethyl ester

CANDESARTAN CILEXETIL EP IMPURITY E
CAS:914613-35-7
Formula: C35H38N6O6
RM-C192005
638.71
2-Ethoxy-1-[[2'-[1-ethyl-1H-tetrazol-5-yl][1,1'-biphenyl]-4-yl]methyl]-1H-benzimidazole-7-carboxylic acid 1-[[(cyclohexyloxy) carbonyl]oxy]ethyl ester

CANDESARTAN CILEXETIL EP IMPURITY F
CAS:914613-36-8
Formula: C35H38N6O6
RM-C192006
638.71
1-(((cyclohexyloxy)carbonyl)oxy)ethyl 2-ethoxy-1-((2'-(2-ethyl-2H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylate

CANDESARTAN CILEXETIL EP IMPURITY G
CAS:139481-59-7
Formula: C24H20N6O3
RM-C192007
440.45
1-((2'-(1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-2-ethoxy-1H-benzo[d]imidazole-7-carboxylic acid

CANDESARTAN CILEXETIL EP IMPURITY H
CAS:170791-09-0
Formula: C52H48N6O6
RM-C192008
852.97
1-(((Cyclohexyloxy)carbonyl)oxy)ethyl 2-ethoxy-1-((2'-(1-trityl-1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-benzo[d]imidazole-7-carboxylate

CANDESARTAN CILEXETIL EP IMPURITY I
CAS:139481-69-9
Formula: C25H22N6O3
RM-C192009
454.48
methyl 1-((2'-(1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-2-ethoxy-1H-benzo[d]imidazole-7-carboxylate

Candesartan Cilexetil Impurity 46
CAS:136285-69-3
Formula: C23H21N3O2
RM-C192046
371.43
ethyl 3-amino-2-(((2'-cyano-[1,1'-biphenyl]-4-yl)methyl)amino)benzoate

Candesartan Trityl Alcohol Impurity; Losartan EP Impurity G; Zidovudine EP Impurity D
CAS:76-84-6
Formula: C19H16O
RM-C192014
260.33
Triphenylmethanol

Capecitabine Impurity 27
CAS:13039-75-3
Formula: C5H10O4
RM-C160327
134.13
(3R,4S,5R)-5-methyltetrahydrofuran-2,3,4-triol

CAPECITABINE IMPURITY 34
CAS:38838-07-2
Formula: C9H15ClO4
RM-C160334
222.67
(3aS,4S,6R,6aR)-4-(chloromethyl)-6-methoxy-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxole

CAPECITABINE IMPURITY 35
CAS:128963-10-0
Formula: C15H18FN3O8
RM-C160335
387.32
2',3',5'-tri-O-acetyl-5-fluorocytidine; (2R,3R,4R,5R)-2-(acetoxymethyl)-5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)tetrahydrofuran-3,4-diyl diacetate

CAPTOPRIL EP IMPURITY D
CAS:56970-78-6
Formula: C4H7BrO2
RM-C161805
167
3-Bromo-2-methylpropanoic acid

CAPTOPRIL EP IMPURITY J
CAS:64838-55-7
Formula: C11H17NO4S
RM-C161809
259.32
(2S)-1-[(2S)-3-(Acetylsulfanyl)-2-methylpropanoyl]pyrrolidine-2-carboxylic acid

CAPTOPRIL IMPURITY 2
CAS:112243-88-6
Formula: C9H15NO3S
RM-C161828
217.29
(R)-1-((R)-3-mercapto-2-methylpropanoyl)pyrrolidine-2-carboxylic acid

CARBAMAZEPINE EP IMPURITY C (N-CARBAMOYL CARBAMAZEPINE)
CAS:1219170-51-0
Formula: C16H13N3O2
RM-C021303
279.3
N-carbamoyl-5H-dibenzo[b,f]azepine-5-carboxamide

CARBAMAZEPINE EP IMPURITY F
CAS:33948-22-0
Formula: C15H10ClNO
RM-C021306
255.7
5H-dibenzo[b,f]azepine-5-carbonyl chloride

CARBAMAZEPINE EP IMPURITY G
CAS:59690-97-0
Formula: C15H11BrN2O
RM-C021307
315.16
10-Bromo-5H-dibenzo[b,f]azepine-5-carboxamide

CARBAZOCHROME
CAS:69-81-8
Formula: C10H12N4O3
RM-C013100
236.23
2-(3-hydroxy-1-methyl-6-oxo-1,2,3,6-tetrahydro-5H-indol-5-ylidene)hydrazine-1-carboxamide

CARBAZOCHROME IMPURITY 1
CAS:70063-04-6
Formula: C10H12N4O5S
RM-C013101
300.29
5-(2-carbamoylhydrazono)-1-methyl-6-oxo-2,3,5,6-tetrahydro-1H-indole-2-sulfonic acid

Carbazochrome Impurity 30
CAS:N/A
Formula: C10H10N4O2
RM-C013130
218.22
(Z)-2-(1-methyl-6-oxo-1,6-dihydro-5H-indol-5-ylidene)hydrazine-1-carboxamide

Carbazochrome Impurity 4
CAS:70063-06-8
Formula: C10H10N4O2
RM-C013104
218.22
2-(1-methyl-6-oxo-1,6-dihydro-5H-indol-5-ylidene)hydrazine-1-carboxamide

Carbazochrome Impurity 6
CAS:2271443-87-7
Formula: C9H9NO4S
RM-C013106
227.23
6-hydroxy-1-methyl-1H-indole-2-sulfonic acid

CARBIDOPA
CAS:28860-95-9
Formula: C10H14N2O4
RM-C010400
226.23
(S)-3-(3,4-dihydroxyphenyl)-2-hydrazineyl-2-methylpropanoic acid

CARBIDOPA EP IMPURITY B
CAS:18181-08-3
Formula: C11H15NO4
RM-C010402
225.24
(S)-methyl 2-amino-3-(3,4-dihydroxyphenyl)-2-methylpropanoate

CARBIDOPA EP IMPURITY C
CAS:84488-77-7
Formula: C11H16N2O4
RM-C010403
240.26
(S)-2-hydrazinyl-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoic acid

CARBIDOPA EP IMPURITY D
CAS:934371-48-9
Formula: C17H24N2O4
RM-C010404
320.38
(S)-methyl 2-(2-cyclohexylidenehydrazinyl)-3-(3,4-dihydroxyphenyl)-2-methylpropanoate

CARBIDOPA EP IMPURITY E
CAS:52514-63-3
Formula: C11H16N2O4
RM-C010405
240.26
(S)-methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate

CARBIDOPA EP IMPURITY F
CAS:1458640-32-8
Formula: C12H18N2O4
RM-C010406
254.28
(S)-ethyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate

CARBIDOPA EP IMPURITY H
CAS:1361017-74-4
Formula: C11H16N2O4
RM-C010416
240.26
(S)-2-hydrazinyl-3-(3-hydroxy-4-methoxyphenyl)-2-methylpropanoic acid

CARBIDOPA EP IMPURITY I
CAS:N/A
Formula: C10H13BrN2O4
RM-C010415
305.13
(S)-3-(3-bromo-4,5-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoic acid

CARBIDOPA EP IMPURITY J
CAS:43197-33-7
Formula: C10H13BrN2O4
RM-C010410
305.13
(S)-3-(2-bromo-4,5-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoic acid

Carbidopa Impurity 20
CAS:85933-19-3
Formula: C11H16N2O4
RM-C010420
240.26
2-hydrazinyl-3-(4-hydroxy-3-methoxyphenyl)-2-methylpropanoic acid

CARBIDOPA IMPURITY 21
CAS:91431-01-5
Formula: C11H16N2O4
RM-C010421
240.26
methyl 3-(3,4-dihydroxyphenyl)-2-hydrazinyl-2-methylpropanoate

Carbidopa Impurity 35
CAS:N/A
Formula: C14H20N2O4
RM-C010435
280.32
methyl (S)-3-(3,4-dihydroxyphenyl)-2-methyl-2-(2-(propan-2-ylidene)hydrazineyl)propanoate

CARBOCISTEINE IMPURITY 11
CAS:1601460-92-7
Formula: C7H9NO5S
RM-C010211
219.22
(R)-4-(carboxymethyl)-5-oxothiomorpholine-3-carboxylic acid

CARBOCISTEINE IMPURITY 12
CAS:N/A
Formula: C5H9NO5S
RM-C010212
195.19
((carboxymethyl)sulfinyl)alanine

Carbocisteine Impurity 13
CAS:15253-37-9
Formula: C5H9NO4S2
RM-C010213
211.25
S-((carboxymethyl)thio)-L-cysteine

CARBOCISTEINE IMPURITY 14
CAS:N/A
Formula: C10H16N2O7S2
RM-C010214
340.37
S-(2-(((R)-1-carboxy-2-((carboxymethyl)thio)ethyl)amino)-2-oxoethyl)-L-cysteine

CARBOCISTEINE IMPURITY 17
CAS:N/A
Formula: C7H11NO6S
RM-C010217
237.23
N,S-bis(carboxymethyl)-D-cysteine

CARBOCISTEINE IMPURITY 2
CAS:N/A
Formula: C7H9NO5S
RM-C010202
219.22
2-((5-oxothiomorpholine-3-carbonyl)oxy)acetic acid

CARBOCISTEINE IMPURITY 3
CAS:N/A
Formula: C7H11NO6S HCl
RM-C010203
(R)-2-((carboxymethyl)amino)-3-((carboxymethyl)thio)propanoic acid hydrochloride

CARBOCISTEINE IMPURITY 5
CAS:88620-38-6
Formula: C5H7NO4S
RM-C010205
177.18
5-oxothiomorpholine-3-carboxylic acid 1-oxide

CARBOCISTEINE IMPURITY 7
CAS:N/A
Formula: C5H9NO6S
RM-C010207
211.19
(R)-2-amino-3-((carboxymethyl)sulfonyl)propanoic acid

CARBOCISTEINE IMPURITY 8
CAS:61475-35-2
Formula: C5H9NO5S
RM-C010208
195.19
(R)-2-amino-3-((R)-(carboxymethyl)sulfinyl)propanoic acid

CARBOCISTEINE IMPURITY 9
CAS:112246-66-9
Formula: C5H9NO5S
RM-C010209
195.19
(R)-2-amino-3-((S)-(carboxymethyl)sulfinyl)propanoic acid

Carbocisteine Impurity A
CAS:14226-97-2
Formula: C5H7NO3S
RM-C020301
161.18
5-oxothiomorpholine-3-carboxylic acid

Carbocisteine Impurity B
CAS:50698-76-5
Formula: C5H9NO4S
RM-C020302
179.19
(S)-2-amino-3-((carboxymethyl)thio)propanoic acid

Carbocisteine Impurity C
CAS:N/A
Formula: C7H11NO6S
RM-C020303
237.23
N,S-bis(carboxymethyl)cysteine

CARBOPLATIN
CAS:41575-94-4
Formula: C6H12N2O4Pt
RM-C021600
371.25
Carboplatin

CARBOPLATIN EP IMPURITY B
CAS:5445-51-2
Formula: C6H8O4
RM-C021601
144.13
1,1-Cyclobutanedicarboxylic acid

CARBOPLATIN IMPURITY 11
CAS:N/A
Formula: C6H16N2O7Pt/C6H14N2O5Pt
RM-C021611
Carboplatin Impurity 11

Carboplatin Impurity 14
CAS:N/A
Formula: C6H15N3O4Pt
RM-C021614
388.29
Carboplatin Impurity 14

Carboplatin Impurity 15
CAS:113287-15-3
Formula: C6H14N2O6Pt
RM-C021615
405.27
(OC-6-33)-Diammine[1,1-cyclobutanedicarboxylato-kO,kO''-(2-)]dihydroxy-platinum

CARBOPLATIN IMPURITY 6
CAS:N/A
Formula: C6H12N2O6Pt
RM-C021606
403.25
Carboplatin Impurity 6

CARBOPLATIN IMPURITY 7
CAS:N/A
Formula: C6H11NO5Pt
RM-C021607
372.24
Carboplatin Impurity 7

CARBOPROST TROMETAMOL EP IMPURITY A
CAS:76498-29-8
Formula: C21H36O5
RM-C011505
368.51
(E)-7-((1R,2R,3R,5S)-3,5-dihydroxy-2-((S,E)-3-hydroxy-3-methyloct-1-en-1-yl)cyclopentyl)hept-5-enoic acid

CARBOPROST TROMETAMOL EP IMPURITY B
CAS:35864-81-4
Formula: C21H36O5
RM-C011501
368.51
(Z)-7-((1R,2R,3R,5S)-3,5-dihydroxy-2-((R,E)-3-hydroxy-3-methyloct-1-en-1-yl)cyclopentyl)hept-5-enoic acid

CARBOXYMETHYL IMPURITY 1
CAS:62305-89-9
Formula: C5H7NO3S
RM-C011827
161.18
(R)-5-oxothiomorpholine-3-carboxylic acid

CARFILZOMIB
CAS:868540-17-4
Formula: C40H57N5O7
RM-C013200
719.91
(S)-4-methyl-N-((S)-1-(((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide

CARFILZOMIB IMPURITY 1
CAS:N/A
Formula: C46H65N5O14
RM-C013201
912.03
2-((4S,7S,10S,13S,15R)-10-benzyl-15-hydroxy-7,13-diisobutyl-15-methyl-1-morpholino-2,5,8,11,14,18-hexaoxo-4-phenethyl-17-oxa-3,6,9,12-tetraazanonadecan-19-yl)-2-hydroxysuccinic acid

Carfilzomib Impurity 2 (Pr-059497)
CAS:N/A
Formula: C31H43N5O5
RM-C013202
565.72
(S)-N-((S)-1-amino-1-oxo-3-phenylpropan-2-yl)-4-methyl-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide

CARFILZOMIB IMPURITY 36
CAS:N/A
Formula: C40H57N5O8
RM-K161836
735.91
4-((4S,7S,10S,13S)-10-benzyl-7-isobutyl-15-methyl-13-((R)-2-methyloxirane-2-carbonyl)-2,5,8,11-tetraoxo-4-phenethyl-3,6,9,12-tetraazahexadecyl)morpholine 4-oxide

Carfilzomib Impurity 40 (Pr-187)
CAS:2049025-49-0
Formula: C40H57N5O7
RM-K161840
719.91
(S)-4-methyl-N-((R)-1-(((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide

CARFILZOMIB IMPURITY 42
CAS:N/A
Formula: C40H57N5O7
RM-K161842
719.91
(R)-4-methyl-N-((R)-1-(((R)-4-methyl-1-((S)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)-2-((R)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide

CARFILZOMIB IMPURITY 52
CAS:N/A
Formula: C30H43N5O4
RM-K161852
537.71
((S)-2-((bis(dimethylamino)methylene)amino)-4-phenylbutanoyl)-L-leucyl-L-phenylalanine

CARFILZOMIB IMPURITY 53
CAS:N/A
Formula: C62H84N10O10
RM-K161853
1129.41
Carfilzomib Impurity 53

CARFILZOMIB IMPURITY 54
CAS:N/A
Formula: C40H57N5O7
RM-K161854
719.92
(R)-4-methyl-N-((S)-1-(((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide

Carfilzomib Impurity 56 (D4)
CAS:N/A
Formula: C40H59N5O8
RM-K161856
737.94
N-(1-((1,2-dihydroxy-2,6-dimethyl-3-oxoheptan-4-yl)amino)-1-oxo-3-phenylpropan-2-yl)-4-methyl-2-(2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide

Carfilzomib Impurity 58 (D3)
CAS:N/A
Formula: C40H59N5O8
RM-K161858
737.94
(S)-N-((S)-1-(((2S,4S)-1,2-dihydroxy-2,6-dimethyl-3-oxoheptan-4-yl)amino)-1-oxo-3-phenylpropan-2-yl)-4-methyl-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide

Carfilzomib Impurity 64(D2)
CAS:N/A
Formula: C46H65N5O14
RM-K161864
912.05
2-((4S,7S,10S,13S)-10-benzyl-15-hydroxy-7,13-diisobutyl-15-methyl-1-morpholino-2,5,8,11,14,18-hexaoxo-4-phenethyl-17-oxa-3,6,9,12-tetraazanonadecan-19-yl)-2-hydroxysuccinic acid

CARFILZOMIB IMPURITY 68
CAS:N/A
Formula: C40H59N5O8
RM-K161868
737.94
(R)-N-((S)-1-(((2S,4R)-1,2-dihydroxy-2,6-dimethyl-3-oxoheptan-4-yl)amino)-1-oxo-3-phenylpropan-2-yl)-4-methyl-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide

Carfilzomib Impurity E
CAS:1672698-88-2
Formula: C40H57N5O7
RM-K161805
719.91
(S)-4-methyl-N-((S)-1-(((S)-4-methyl-1-((S)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide

Carfilzomib Impurity U (Pr-019)
CAS:254888-42-1
Formula: C36H50N4O6
RM-K161821
634.81
(S)-2-((S)-2-acetamido-4-phenylbutanamido)-4-methyl-N-((S)-1-(((S)-4-methyl-1-((R)-2-methyloxiran-2-yl)-1-oxopentan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)pentanamide

Carfilzomib Impurity V (Pr-519)
CAS:1541172-75-1
Formula: C40H59N5O8
RM-K161822
737.93
(S)-N-((S)-1-(((2R,4S)-1,2-dihydroxy-2,6-dimethyl-3-oxoheptan-4-yl)amino)-1-oxo-3-phenylpropan-2-yl)-4-methyl-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide

Carfilzomib Impurity W (Pr-059428)
CAS:1541171-67-8
Formula: C40H58ClN5O7
RM-K161823
756.37
(S)-N-((S)-1-(((2S,4S)-1-chloro-2-hydroxy-2,6-dimethyl-3-oxoheptan-4-yl)amino)-1-oxo-3-phenylpropan-2-yl)-4-methyl-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide

Carfilzomib Impurity X
CAS:1541171-68-9
Formula: C46H62N8O8
RM-K161824
855.03
(S)-N-((S)-1-(((2R,4S)-1-((1H-benzo[d][1,2,3]triazol-1-yl)oxy)-2-hydroxy-2,6-dimethyl-3-oxoheptan-4-yl)amino)-1-oxo-3-phenylpropan-2-yl)-4-methyl-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide

Carfilzomib Impurity Y (Pr-059462)
CAS:1660143-42-9
Formula: C40H57N5O6
RM-K161825
703.91
(S)-N-((S)-1-(((S)-2,6-dimethyl-3-oxohept-1-en-4-yl)amino)-1-oxo-3-phenylpropan-2-yl)-4-methyl-2-((S)-2-(2-morpholinoacetamido)-4-phenylbutanamido)pentanamide

Carglumic Acid Impurity (1-Carglumic Dimer)
CAS:N/A
Formula: C12H18N4O9
RM-C071201
362.29
(S)-2-(3-((S)-4-Carboxy-2-ureidobutanoyl)ureido)pentanedioic Acid

Cariprazine Impurity 15
CAS:1267061-38-0
Formula: C12H15Cl3N2
RM-C013415
293.62
1-(2-chloroethyl)-4-(2,3-dichlorophenyl)piperazine

CARNOSINE IMPURITY 1
CAS:N/A
Formula: C17H16N4O6 2Na
RM-C013301
sodium (S)-2-((3-((1-carboxylato-2-(1H-imidazol-4-yl)ethyl)amino)-3-oxopropyl)carbamoyl)benzoate

Carnosine Impurity 2
CAS:56353-15-2
Formula: C11H16N4O4
RM-C013302
268.27
(S)-2-(3-Acetamidopropanamido)-3-(1H-imidazol-4-yl)propanoic acid

Carteolol EP Impurity F
CAS:2748462-60-2
Formula: C13H17NO4
RM-C012306
251.28
5-[(2RS)-2-Hydroxy-3-methoxypropoxy]-3,4-dihydroquinolin-2(1H)-one

Carteolol EP Impurity H
CAS:62330-84-1
Formula: C16H22N2O3
RM-C012308
290.36
5-[(2RS)-3-[(1,1-Dimethylethyl)amino]-2-hydroxypropoxy]quinolin-2(1H)-one

CARTEOLOL EP IMPURITY I
CAS:2748462-62-4
Formula: C16H23BrN2O3
RM-C012309
371.27
7-bromo-5-[(2RS)-3-[(1,1-(dimethylethyl)amino]-2-hydroxypropoxy]-3,4- dihydroquinolin-2(1H)-one

Carvedilol EP Impurity A; Carvedilol USP Rc A
CAS:1198090-73-1
Formula: C36H43N3O7
RM-C220401
629.74
1-(4-(2-Hydroxy-3-(2-(2-methoxyphenoxy)ethylamino)propoxy)-9H-carbazol-9-yl)-3-(2-(2-methoxyphenoxy)ethylamino)propan-2-ol; 1-(4-(2-hydroxy-3-((2-(2-methoxyphenoxy)ethyl)amino)propoxy)-9H-carbazol-9-yl)-3-((2-(2-methoxyphenoxy)ethyl)amino)propan-2-ol

CARVEDILOL EP IMPURITY B
CAS:918903-20-5
Formula: C39H39N3O6
RM-C220402
645.74
3,3'-((2-(2-methoxyphenoxy)ethyl)azanediyl)bis(1-((9H-carbazol-4-yl)oxy)propan-2-ol)

CARVEDILOL EP IMPURITY D
CAS:1391052-16-6
Formula: C39H39N3O6
RM-C220412
645.74
1-((9H-carbazol-4-yl)oxy)-3-(4-(2-hydroxy-3-((2-(2-methoxyphenoxy)ethyl)amino)propoxy)-9H-carbazol-9-yl)propan-2-ol

CARVEDILOL IMPURITY 13
CAS:1246820-73-4
Formula: C24H30N2O4
RM-C220413
410.51
1-((2-(2-methoxyphenoxy)ethyl)amino)-3-((2,3,4,9-tetrahydro-1H-carbazol-5-yl)oxy)propan-2-ol

CARVEDILOL IMPURITY 14
CAS:1346602-98-9
Formula: C40H42N4O6
RM-C220414
674.78
3,3'-(((1,2-phenylenebis(oxy))bis(ethane-2,1-diyl))bis(azanediyl))bis(1-((9H-carbazol-4-yl)oxy)propan-2-ol)

CARVEDILOL IMPURITY 15
CAS:1246819-01-1
Formula: C27H32N2O4
RM-C220415
448.55
1-((9H-carbazol-4-yl)oxy)-3-(isopropyl(2-(2-methoxyphenoxy)ethyl)amino)propan-2-ol

CARVEDILOL IMPURITY 16
CAS:1276477-91-8
Formula: C27H22N2O3
RM-C220416
422.48
1,3-bis((9H-carbazol-4-yl)oxy)propan-2-ol

CARVEDILOL IMPURITY 18
CAS:1198090-71-9
Formula: C18H17NO3
RM-C220418
295.33
4-(Oxiran-2-ylmethoxy)-9-(oxiran-2-ylmethyl)-9H-carbazole

CARVEDILOL IMPURITY 21
CAS:1187921-93-2
Formula: C15H14ClNO2
RM-C220421
275.73
1-((9H-carbazol-4-yl)oxy)-3-chloropropan-2-ol

CARVEDILOL IMPURITY 4
CAS:51997-51-4
Formula: C15H13NO2
RM-C220404
239.27
4-(2,3-Epoxypropoxy)carbazole

CARVEDILOL IMPURITY 5
CAS:64464-07-9
Formula: C9H14ClNO2
RM-C220405
203.67
2-(2-Methoxyphenoxy)ethylamine hydrochloride

CASPOFUNGIN PNEUMOCANDIN B0 IMPURITY
CAS:135575-42-7
Formula: C50H80N8O17
RM-C190601
1065.21
(10R,12S)-N-((2R,6S,9S,11R,12R,14aS,15S,20S,23S,25aS)-20-((R)-3-amino-1-hydroxy-3-oxopropyl)-23-((1S,2S)-1,2-dihydroxy-2-(4-hydroxyphenyl)ethyl)-2,11,12,15-tetrahydroxy-6-((R)-1-hydroxyethyl)-5,8,14,19,22,25-hexaoxotetracosahydro-1H-dipyrrolo[2,1-c:2',1'-

CEFACLOR EP IMPURITY C
CAS:143059-69-2
Formula: C15H14ClN3O4S
RM-C031203
367.81
(6R,7R)-7-[[(2S)-2-amino-2-phenylacetyl]amino]-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFACLOR EP IMPURITY D
CAS:152575-13-8
Formula: C15H14ClN3O4S
RM-C031204
367.81
(6R,7R)-7-((R)-2-amino-2-phenylacetamido)-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid

CEFACLOR EP IMPURITY E
CAS:188915-50-6
Formula: C14H14ClN3O4S
RM-C031205
355.8
2-[[(2R)-2-Amino-2-phenylacetyl]amino]-2-(5-chloro-4-oxo-3,4-dihydro-2H-1,3-thiazin-2-yl)acetic acid

CEFACLOR EP IMPURITY G
CAS:67308-21-8
Formula: C16H17N3O4S
RM-C031207
347.4
(6R,7R)-7-((R)-2-amino-2-phenylacetamido)-3-methylene-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic acid

CEFACLOR EP IMPURITY H
CAS:N/A
Formula: C23H21ClN4O5S
RM-C031208
500.95
(6R,7R)-7-((R)-2-((R)-2-amino-2-phenylacetamido)-2-phenylacetamido)-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFACLOR IMPURITY 37
CAS:N/A
Formula: C20H20N4O2
RM-C031237
348.4
(S)-2-amino-N-(2-(6-oxo-5-phenyl-1,6-dihydropyrazin-2-yl)ethyl)-2-phenylacetamide

Cefaclor Impurity 39
CAS:N/A
Formula: C15H14ClN3O5S
RM-C031239
383.81
(6R,7R)-7-((R)-2-amino-2-phenylacetamido)-3-chloro-2-hydroxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid

Cefaclor Impurity 40
CAS:N/A
Formula: C7H7ClN2O3S
RM-C031240
234.66
(6R,7R)-7-amino-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid

Cefaclor Impurity 43; Bacampicillin Hydrochloride EP Impurity G
CAS:24461-61-8
Formula: C9H11NO2
RM-C031243
165.19
(R)-Methyl 2-amino-2-phenylacetate

Cefaclor Impurity 44
CAS:N/A
Formula: C30H26Cl2N6O7S2
RM-C031244
717.6
(6R,7R)-7-((R)-2-((6R,7R)-7-((R)-2-amino-2-phenylacetamido)-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)-2-phenylacetamido)-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefaclor Impurity 49
CAS:N/A
Formula: C15H14ClN3O5S
RM-C031249
383.81
(6R,7R)-7-((R)-2-amino-2-phenylacetamido)-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid 5-oxide

CEFACLOR IMPURITY 5
CAS:142975-51-7
Formula: C30H26Cl2N6O7S2
RM-C031231
717.59
7-(2-(7-(2-amino-2-phenylacetamido)-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)-2-phenylacetamido)-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefaclor Impurity 50
CAS:N/A
Formula: C15H14ClN3O5S
RM-C031250
383.81
(6R,7R)-7-((S)-2-amino-2-phenylacetamido)-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-oxide

Cefaclor Impurity 6
CAS:N/A
Formula: C15H14ClN3O5S
RM-C031232
383.81
(6R,7R)-7-((R)-2-amino-2-phenylacetamido)-3-chloro-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-oxide

Cefaclor Impurity 66
CAS:N/A
Formula: C9H9ClN2O5S
RM-C031266
292.69
3-chloro-7-((methoxycarbonyl)amino)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefaclor Impurity 67
CAS:N/A
Formula: C15H13ClN2O4S
RM-C031267
352.79
3-chloro-8-oxo-7-(2-phenylacetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefaclor Impurity 73
CAS:N/A
Formula: C14H14ClN3O4S
RM-C031273
355.79
3-((3-(2-amino-2-phenylacetamido)-4-oxoazetidin-2-yl)thio)-2-chloroacrylic acid

Cefaclor Impurity 81
CAS:6453-64-1
Formula: C10H12N2O3
RM-C031281
208.22
(R)-(2-amino-2-phenylacetyl)glycine

CEFADROXIL EP IMPURITY C
CAS:147103-96-6
Formula: C16H19N3O6S
RM-C042403
381.4
(2R)-2-((R)-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)(carboxy)methyl)-5-methyl-5,6-dihydro-2H-1,3-thiazine-4-carboxylic acid

CEFADROXIL EP IMPURITY D
CAS:144790-28-3
Formula: C16H17N3O5S
RM-C042404
363.39
(6R,7R)-7-((S)-2-amino-2-(4-hydroxyphenyl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefadroxil Impurity 24
CAS:N/A
Formula: C32H32N6O9S2
RM-C042424
708.76
(6R,7R)-7-((R)-2-((6R,7R)-7-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)-2-(4-hydroxyphenyl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFADROXIL IMPURITY 26
CAS:147103-95-5
Formula: C24H24N4O7S
RM-C042426
512.53
(6R,7R)-7-((R)-2-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-2-(4-hydroxyphenyl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefadroxil Impurity 38
CAS:N/A
Formula: C16H17N3O6S
RM-C042438
379.39
(6R,7R)-7-((R)-2-Amino-2-(4-hydroxyphenyl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-oxide

CEFADROXIL IMPURITY 7
CAS:147103-94-4
Formula: C16H17N3O5S
RM-C042407
363.39
(6R,7R)-7-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid

Cefalexin EP Impurity B; Cefadroxil EP Impurity B; Cefradine EP Impurity A
CAS:22252-43-3
Formula: C8H10N2O3S
RM-C061202
214.24
(6R,7R)-7-Amino-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefalexin EP Impurity C; Cephalexin Impurity C
CAS:72528-40-6
Formula: C24H24N4O5S
RM-C061203
480.54
(6R,7R)-7-((R)-2-((R)-2-amino-2-phenylacetamido)-2-phenylacetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefalexin EP Impurity D; Cefadroxil EP Impurity G; Cefradine EP Impurity F
CAS:34876-35-2
Formula: C5H6O2S
RM-C061204
130.16
3-hydroxy-4-methylthiophen-2(5H)-one

Cefalexin EP Impurity E; Cefadroxil EP Impurity H; Cefradine EP Impurity G
CAS:146794-70-9
Formula: C13H18N2O4S
RM-C061205
298.36
(6R,7R)-7-[(2,2-Dimethylpropanoyl)amino]-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFALEXIN EP IMPURITY F
CAS:79750-46-2
Formula: C16H17N3O4S
RM-C061206
347.39
(6R,7R)-7-((R)-2-Amino-2-phenylacetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid

CEFALEXIN EP IMPURITY G
CAS:72820-16-7
Formula: C11H14N2O5S
RM-C061207
286.31
(6R,7R)-7-((ethoxycarbonyl)amino)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFAZOLIN EP IMPURITY B
CAS:2384108-14-7
Formula: C16H20N4O4S3
RM-C062714
428.55
(6R,7R)-3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-7-pivalamido-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFAZOLIN EP IMPURITY C
CAS:56842-77-4
Formula: C11H12N6O4S
RM-C062708
324.32
(6R,7R)-7-(2-(1h-tetrazol-1-yl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFAZOLIN EP IMPURITY D
CAS:32510-61-5
Formula: C13H14N6O6S
RM-C062710
382.35
(6R,7R)-7-(2-(1H-tetrazol-1-yl)acetamido)-3-(acetoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFAZOLIN EP IMPURITY E
CAS:29490-19-5
Formula: C3H4N2S2
RM-C062728
132.21
5-Methyl-1,3,4-Thiadiazole-2-Thiol

CEFAZOLIN EP IMPURITY G
CAS:1172998-53-6
Formula: C11H10N6O4S
RM-C062709
322.3
N-((5aR,6R)-1,7-dioxo-1,3,4,5a,6,7-hexahydroazeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)-2-(1H-tetrazol-1-yl)acetamide

Cefazolin EP Impurity I (Usp Impurity L,Cefazoloic Acid Isomers)
CAS:1675244-99-1
Formula: C14H16N8O5S3
RM-C062725
472.52
2-((2-(1H-tetrazol-1-yl)acetamido)(carboxy)methyl)-5-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-5,6-dihydro-2H-1,3-thiazine-4-carboxylic acid/2-((2-(1H-tetrazol-1-yl)acetamido)(carboxy)methyl)-5-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-3,6-dihyd

CEFAZOLIN EP IMPURITY J
CAS:N/A
Formula: C11H12N6O5S
RM-C062719
340.32
2-((2-(1H-tetrazol-1-yl)acetamido)(carboxy)methyl)-5-methylene-5,6-dihydro-2H-1,3-thiazine-4-carboxylic acid

Cefazolin EP Impurity L; Cefazolin Epimer
CAS:N/A
Formula: C14H14N8O4S3
RM-C062721
454.51
(6R,7S)-7-(2-(1H-tetrazol-1-yl)acetamido)-3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFAZOLIN IMPURITY 23
CAS:55390-53-9
Formula: C14H14N8O4S3
RM-C062723
454.51
(6R,7R)-7-(2-(1H-tetrazol-1-yl)acetamido)-3-(((5-methyl-1,3,4-thiadiazol-2-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid

Cefazolin Impurity 67
CAS:N/A
Formula: C11H12N6O5S
RM-C062767
340.31
(S)-2-(2-(1H-tetrazol-1-yl)acetamido)-2-((S)-7-oxo-1,2,5,7-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl)acetic acid

CEFAZOLIN IMPURITY D
CAS:N/A
Formula: C11H12N6O5S
RM-C062704
340.32
(R)-2-(2-(1H-tetrazol-1-yl)acetamido)-2-((R)-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl)acetic acid

CEFAZOLIN IMPURITY E
CAS:478494-71-2
Formula: C11H12N6O5S
RM-C062705
340.32
(6R,7R)-7-(2-(1H-tetrazol-1-yl)acetamido)-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefazolin Tetrazolyl Acetamide Acetal
CAS:1797135-60-4
Formula: C5H7N5O2/C5H9N5O3
RM-C062702
N-(2-oxoethyl)-2-(1H-tetrazol-1-yl)acetamide/N-(2,2-dihydroxyethyl)-2-(1H-tetrazol-1-yl)acetamide

CEFAZOLIN TETRAZOLYLACETIC ACID
CAS:21732-17-2
Formula: C3H4N4O2
RM-C062701
128.09
2-(1H-Tetrazol-1-yl)acetic acid

CEFCAPENE
CAS:135889-00-8
Formula: C17H19N5O6S2
RM-C031616
453.49
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)pent-2-enamido)-3-((carbamoyloxy)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFCAPENE PIVOXIL HYDROCHLORIDE
CAS:147816-23-7
Formula: C23H29N5O8S2*HCl
RM-C031600
(pivaloyloxy)methyl (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)pent-2-enamido)-3-((carbamoyloxy)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate hydrochloride

Cefcapene Pivoxil Impurity 11
CAS:105889-80-3
Formula: C28H37N5O10S2
RM-C031611
667.75
(6R,7R)-(pivaloyloxy)methyl 7-((Z)-2-(2-((tert-butoxycarbonyl)amino)thiazol-4-yl)pent-2-enamido)-3-((carbamoyloxy)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

Cefcapene Pivoxil Impurity 15
CAS:N/A
Formula: C16H16N4O4S2
RM-C031615
392.45
(Z)-2-(2-aminothiazol-4-yl)-N-((5aR,6R)-1,7-dioxo-1,4,5a,6-tetrahydro-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)pent-2-enamide

Cefcapene Pivoxil Impurity 17
CAS:N/A
Formula: C39H45N9O12S4
RM-C031617
960.08
((6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)pent-2-enamido)-8-oxo-2-(((pivaloyloxy)methoxy)carbonyl)-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)methyl (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)pent-2-enamido)-3-((carbamoyloxy)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]o

Cefcapene Pivoxil Impurity 22
CAS:N/A
Formula: C27H37N5O8S2
RM-C031622
623.74
(pivaloyloxy)methyl (6R,7R)-7-((Z)-2-(2-(tert-butylamino)thiazol-4-yl)pent-2-enamido)-3-((carbamoyloxy)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

Cefcapene Pivoxil Impurity 28
CAS:N/A
Formula: C32H38N8O12S3
RM-C031628
822.88
(6R,7R)-3-((carbamoyloxy)methyl)-8-oxo-7-((((6R,7R)-8-oxo-2-(((pivaloyloxy)methoxy)carbonyl)-7-((Z)-2-(2-ureidothiazol-4-yl)pent-2-enamido)-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)methyl)amino)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefcapene Pivoxil Impurity 29
CAS:N/A
Formula: C47H58N10O16S4
RM-C031629
1147.28
bis((pivaloyloxy)methyl) 7,7'-(((2Z,2'Z)-2,2'-((methylenebis(azanediyl))bis(thiazole-2,4-diyl))bis(pent-2-enoyl))bis(azanediyl))(6R,6'R,7R,7'R)-bis(3-((carbamoyloxy)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate)

Cefcapene Pivoxil Impurity 30
CAS:118109-49-2
Formula: C8H10N2O2S
RM-C031630
198.24
(Z)-2-(2-aminothiazol-4-yl)pent-2-enoic acid

Cefcapene Pivoxil Impurity 6
CAS:N/A
Formula: C23H29N5O9S2
RM-C031606
583.63
(6R,7R)-(pivaloyloxy)methyl 7-((Z)-2-(2-aminothiazol-4-yl)pent-2-enamido)-3-((carbamoyloxy)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 5-oxide

Cefcapene Pivoxil Impurity 7
CAS:N/A
Formula: C23H31N5O9S2
RM-C031607
585.65
(R)-2-((Z)-2-(2-aminothiazol-4-yl)pent-2-enamido)-2-((R)-5-((carbamoyloxy)methyl)-4-(((pivaloyloxy)methoxy)carbonyl)-3,6-dihydro-2H-1,3-thiazin-2-yl)acetic acid

CEFDINIR
CAS:91832-40-5
Formula: C14H13N5O5S2
RM-C061400
395.41
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(hydroxyimino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFDINIR IMPURITY 16
CAS:79350-14-4
Formula: C14H12N4O5S2
RM-C061442
380.39
(6R,7R)-7-(2-(2-Aminothiazol-4-yl)-2-oxoacetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid

CEFDINIR IMPURITY 17
CAS:104797-47-9
Formula: C14H10N4O3S3
RM-C061443
378.44
S-(benzo[d]thiazol-2-yl) (Z)-2-(acetoxyimino)-2-(2-aminothiazol-4-yl)ethanethioate

Cefdinir Impurity 19
CAS:66436-47-3
Formula: C13H12N5NaO5S2
RM-C061445
405.38
sodium (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(hydroxyimino)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

Cefdinir Impurity 23
CAS:N/A
Formula: C28H26N10O10S4
RM-C061449
790.82
(6R,7R)-7-((Z)-2-(2-(2-((Z)-2-(2-aminothiazol-4-yl)-2-(hydroxyimino)acetamido)-2-(5-methyl-7-oxo-1,2,5,7-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl)acetamido)thiazol-4-yl)-2-(hydroxyimino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carb

Cefdinir Impurity 24
CAS:N/A
Formula: C28H26N10O10S4
RM-C061450
790.82
(6R,7R)-7-((Z)-2-(2-(2-((Z)-2-(2-aminothiazol-4-yl)-2-(hydroxyimino)acetamido)-2-(4-carboxy-5-vinyl-3,6-dihydro-2H-1,3-thiazin-2-yl)acetamido)thiazol-4-yl)-2-(hydroxyimino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefdinir Impurity 26
CAS:N/A
Formula: C28H24N10O9S4
RM-C061452
772.8
(6R,7R)-7-((Z)-2-(2-((6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(hydroxyimino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)thiazol-4-yl)-2-(hydroxyimino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic

CEFDINIR IMPURITY 27
CAS:N/A
Formula: C14H15N5O6S2
RM-C061453
413.42
(2R)-2-((E)-2-(2-aminothiazol-4-yl)-2-(hydroxyimino)acetamido)-2-(5-methyl-7-oxo-1,2,5,7-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl)acetic acid

Cefdinir Impurity 28
CAS:178422-42-9
Formula: C14H15N5O6S2
RM-C061454
413.42
2-(2-(2-aminothiazol-4-yl)-2-(hydroxyimino)acetamido)-2-(5-methyl-7-oxo-1,2,5,7-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl)acetic acid

Cefdinir Impurity 4&5
CAS:N/A
Formula: C13H15N5O4S2
RM-C061420
369.42
(Z)-2-(2-aminothiazol-4-yl)-2-(hydroxyimino)-N-(((2R)-5-methyl-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl)methyl)acetamide

CEFDINIR IMPURITY 6
CAS:178949-03-6
Formula: C7H8N4O4S
RM-C061432
244.23
(Z)-2-(2-(2-aminothiazol-4-yl)-2-(hydroxyimino)acetamido)acetic acid

CEFDINIR IMPURITY 7
CAS:1356842-10-8
Formula: C13H11N3O6S
RM-C061433
337.31
(6R,7R)-7-(4-Hydroxyisoxazole-3-carboxamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFDINIR IMPURITY E
CAS:1450758-21-0
Formula: C5H6N4O2S
RM-C061405
186.19
(Z)-2-(2-aminothiazol-4-yl)-2-(hydroxyimino)acetamide

CEFDINIR IMPURITY F
CAS:N/A
Formula: C14H13N5O6S2
RM-C061406
411.41
(6S,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(hydroxyimino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-oxide

CEFDINIR IMPURITY G
CAS:934986-48-8
Formula: C14H13N5O6S2
RM-C061407
411.41
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(hydroxyimino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-oxide

Cefdinir Impurity H(Cefdinir Cp Impurity E)
CAS:178422-39-4
Formula: C14H15N5O6S2
RM-C061408
413.42
(Z)-2-((R)-((Z)-2-(2-aminothiazol-4-yl)-2-(hydroxyimino)acetamido)(carboxy)methyl)-5-ethylidene-5,6-dihydro-2H-1,3-thiazine-4-carboxylic acid

Cefdinir Impurity I(Cefdinir Cp Impurity F)
CAS:934986-49-9
Formula: C14H13N5O5S2
RM-C061409
395.41
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(hydroxyimino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid

CEFDINIR IMPURITY J
CAS:71091-93-5
Formula: C13H13N5O5S2
RM-C061410
383.4
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(hydroxyimino)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFDINIR IMPURITY K
CAS:N/A
Formula: C14H15N5O6S2
RM-C061411
413.43
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(hydroxyimino)acetamido)-3-(2-hydroxyethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFDINIR IMPURITY L
CAS:N/A
Formula: C14H15N5O6S2
RM-C061412
413.43
(R)-2-((Z)-2-(2-aminothiazol-4-yl)-2-(hydroxyimino)acetamido)-2-((2R,5S)-5-methyl-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl)acetic acid

CEFDINIR IMPURITY M
CAS:946573-41-7
Formula: C14H13N5O5S2
RM-C061413
395.41
(Z)-2-(2-aminothiazol-4-yl)-2-(hydroxyimino)-N-((5aR,6R)-3-methyl-1,7-dioxo-1,3,4,5a,6,7-hexahydroazeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)acetamide

Cefdinir Impurity O(Cefdinir Cp Impurity N)
CAS:178601-89-3
Formula: C14H13N5O5S2
RM-C061415
395.41
(6R,7S)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(hydroxyimino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFDINIR IMPURITY S
CAS:127770-93-8
Formula: C16H15N5O6S2
RM-C061419
437.45
(6R,7R)-7-((Z)-2-(acetoxyimino)-2-(2-aminothiazol-4-yl)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefdinir Impurity X&Y
CAS:N/A
Formula: C14H15N5O6S2
RM-C061416
413.43
(2R)-2-((E)-2-(2-aminothiazol-4-yl)-2-(hydroxyimino)acetamido)-2-((2R)-5-methyl-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl)acetic acid

CEFDINIR IMPURITY Z
CAS:178601-88-2
Formula: C14H13N5O5S2
RM-C061426
395.41
(6R,7R)-7-((E)-2-(2-aminothiazol-4-yl)-2-(hydroxyimino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFDINIR RELATED COMPOUND B
CAS:79350-10-0
Formula: C14H14N4O4S2
RM-C061429
366.41
(6R-trans)-7-[[(2-Amino-4-thiazolyl)acetyl]amino]-3-ethenyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid

CEFDINIR USP RELATED COMPOUND A
CAS:N/A
Formula: C14H15N5O6S2
RM-C061428
413.43
2(R)-2-[(Z)-2-(2-aminothiazol-4-yl)-2-(hydroxyimino)acetamido]-2-[(2RS,5RS)-5-methyl-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl]acetic acid

CEFDITOREN
CAS:104145-95-1
Formula: C19H18N6O5S3
RM-C042008
506.57
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-((Z)-2-(4-methylthiazol-5-yl)vinyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefditoren ?-3-Isomer(P7)
CAS:145904-68-3
Formula: C19H18N6O5S3
RM-C042017
506.58
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-((Z)-2-(4-methylthiazol-5-yl)vinyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid

Cefditoren Impurity 38
CAS:N/A
Formula: C50H56N12O14S6
RM-C042038
1241.43
(pivaloyloxy)methyl (6R,7R)-7-((E)-2-(2-(2-((E)-2-(2-aminothiazol-5-yl)-2-(methoxyimino)acetamido)-2-(5-((Z)-2-(4-methylthiazol-5-yl)vinyl)-4-(((pivaloyloxy)methoxy)carbonyl)-3,6-dihydro-2H-1,3-thiazin-2-yl)acetamido)thiazol-5-yl)-2-(methoxyimino)acetamid

Cefditoren Impurity 39(P17)
CAS:N/A
Formula: C31H40N6O10S3
RM-C042039
752.87
(pivaloyloxy)methyl 2-((Z)-4-(2-aminothiazol-4-yl)-13,13-dimethyl-5,8,12-trioxo-2,9,11-trioxa-3,6-diazatetradec-3-en-7-yl)-5-((Z)-2-(4-methylthiazol-5-yl)vinyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylate

Cefditoren Pivaloyl(P13)
CAS:878002-84-7
Formula: C30H36N6O8S3
RM-C042029
704.84
(6R,7R)-(pivaloyloxy)methyl 7-((Z)-2-(methoxyimino)-2-(2-pivalamidothiazol-4-yl)acetamido)-3-((Z)-2-(4-methylthiazol-5-yl)vinyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

CEFDITOREN PIVOXIL
CAS:117467-28-4
Formula: C25H28N6O7S3
RM-C042000
620.72
(6R,7R)-(pivaloyloxy)methyl 7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-((Z)-2-(4-methylthiazol-5-yl)vinyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

Cefditoren Pivoxil ?-3-Isomer(P3)
CAS:N/A
Formula: C25H28N6O7S3
RM-C042027
620.72
(2S,6R,7R)-(pivaloyloxy)methyl 7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-((Z)-2-(4-methylthiazol-5-yl)vinyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate

Cefditoren Pivoxil Dimer(P15)
CAS:878002-85-8
Formula: C51H56N12O14S6
RM-C042023
1253.44
bis((pivaloyloxy)methyl) 7,7'-(((2Z,2'Z)-2,2'-((methylenebis(azanediyl))bis(thiazole-2,4-diyl))bis(2-(methoxyimino)acetyl))bis(azanediyl))(6R,6'R,7R,7'R)-bis(3-((Z)-2-(4-methylthiazol-5-yl)vinyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate)

CEFDITOREN PIVOXIL IMPURITY 16
CAS:148774-47-4
Formula: C25H28N6O7S3
RM-C042016
620.72
(6R,7R)-(pivaloyloxy)methyl 7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-((Z)-2-(4-methylthiazol-5-yl)vinyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate

Cefditoren Pivoxil Impurity 24
CAS:N/A
Formula: C50H56N12O14S6
RM-C042024
1241.43
(pivaloyloxy)methyl (6R,7R)-7-((Z)-2-(2-((2R)-2-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-2-(5-((Z)-2-(4-methylthiazol-5-yl)vinyl)-4-(((pivaloyloxy)methoxy)carbonyl)-3,6-dihydro-2H-1,3-thiazin-2-yl)acetamido)thiazol-4-yl)-2-(methoxyimino)ace

Cefditoren Pivoxil Impurity 3
CAS:N/A
Formula: C31H38N6O9S3
RM-C042003
734.86
(6R,7R)-(pivaloyloxy)methyl 7-((Z)-2-(methoxyimino)-2-(2-(((pivaloyloxy)methyl)amino)thiazol-4-yl)acetamido)-3-((Z)-2-(4-methylthiazol-5-yl)vinyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

Cefditoren Pivoxil Impurity 4
CAS:878002-86-9
Formula: C25H28N6O7S3
RM-C042004
620.72
(6R,7R)-(pivaloyloxy)methyl 7-((E)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-((Z)-2-(4-methylthiazol-5-yl)vinyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

Cefditoren Pivoxil Impurity 46
CAS:N/A
Formula: C27H32N6O8S3
RM-C042046
664.77
(pivaloyloxy)methyl (6R,7R)-7-((Z)-2-(methoxyimino)-2-(2-((methoxymethyl)amino)thiazol-4-yl)acetamido)-3-((Z)-2-(4-methylthiazol-5-yl)vinyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

Cefditoren Pivoxil Impurity 51
CAS:N/A
Formula: C25H28N6O8S3
RM-C042051
636.71
(pivaloyloxy)methyl (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-((Z)-2-(4-methylthiazol-5-yl)vinyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 5-oxide

Cefditoren Pivoxil Impurity 58
CAS:N/A
Formula: C13H13N3O3S2
RM-C042058
323.39
(Z)-7-amino-3-(2-(4-methylthiazol-5-yl)vinyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid

Cefditoren Pivoxil Impurity 59
CAS:N/A
Formula: C13H13N3O3S2
RM-C042059
323.39
(E)-7-amino-3-(2-(4-methylthiazol-5-yl)vinyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefditoren Pivoxil Impurity 6
CAS:N/A
Formula: C13H13N3O3S2
RM-C042006
323.39
(6R,7R)-7-amino-3-((Z)-2-(4-methylthiazol-5-yl)vinyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid

Cefditoren Pivoxil Open Ring impurity(P1)
CAS:2409806-43-3
Formula: C25H30N6O8S3
RM-C042001
638.74
(R)-2-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-2-((R)-5-((Z)-2-(4-methylthiazol-5-yl)vinyl)-4-(((pivaloyloxy)methoxy)carbonyl)-3,6-dihydro-2H-1,3-thiazin-2-yl)acetic acid

CEFEPIME EP IMPURITY D
CAS:65872-41-5
Formula: C6H7N3O3S
RM-C161304
201.2
(Z)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetic acid

CEFEPIME IMPURITY 14
CAS:N/A
Formula: C19H24N6O5S2
RM-C161314
480.56
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-((1-methylpyrrolidin-1-ium-1-yl)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate

Cefepime Impurity 19
CAS:N/A
Formula: C19H24N6O6S2
RM-C161319
496.56
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-((1-methylpyrrolidin-1-ium-1-yl)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 5-oxide

CEFETAMET PIVOXIL
CAS:65243-33-6
Formula: C20H25N5O7S2
RM-C062800
511.57
(pivaloyloxy)methyl (6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

CEFIXIME
CAS:79350-37-1
Formula: C16H15N5O7S2
RM-C241300
453.45
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFIXIME EP IMPURITY A
CAS:1614255-90-1
Formula: C16H17N5O8S2
RM-C241301
471.46
2-((Z)-2-(2-aminothiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-2-((2R)-5-methyl-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl)acetic acid

CEFIXIME EP IMPURITY B
CAS:N/A
Formula: C15H17N5O6S2
RM-C241302
427.46
2-(((Z)-(1-(2-aminothiazol-4-yl)-2-((((2R)-5-methyl-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl)methyl)amino)-2-oxoethylidene)amino)oxy)acetic acid

CEFIXIME EP IMPURITY C
CAS:108691-83-4
Formula: C16H15N5O7S2
RM-C241303
453.45
(6R,7S)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFIXIME EP IMPURITY D
CAS:97164-56-2
Formula: C16H15N5O7S2
RM-C241304
453.45
(6R,7R)-7-((E)-2-(2-aminothiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFIXIME EP IMPURITY E
CAS:72701-01-0
Formula: C15H15N5O7S2
RM-C241305
441.44
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFIXIME EP IMPURITY F
CAS:79368-95-9
Formula: C18H19N5O7S2
RM-C241306
481.5
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((2-ethoxy-2-oxoethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFIXIME IMPURITY 3
CAS:80544-17-8
Formula: C8H9N3O5S
RM-C241329
259.24
(Z)-2-(2-aminothiazol-4-yl)-2-((2-methoxy-2-oxoethoxy)imino)acetic acid

Cefixime Impurity 31
CAS:N/A
Formula: C25H23N7O9S3
RM-C241357
661.69
(6R,7R)-7-(2-(((Z)-(1-(2-aminothiazol-4-yl)-2-(((6R,7R)-2-carboxy-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-en-7-yl)amino)-2-oxoethylidene)amino)oxy)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefixime Impurity 32
CAS:N/A
Formula: C25H23N7O9S3
RM-C241358
661.69
(6R,7R)-7-((6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFIXIME IMPURITY 5
CAS:246035-38-1
Formula: C15H12N4O4S3
RM-C241331
408.48
(Z)-methyl 2-(((1-(2-aminothiazol-4-yl)-2-(benzo[d]thiazol-2-ylthio)-2-oxoethylidene)amino)oxy)acetate

Cefixime Impurity 52
CAS:N/A
Formula: C32H28N10O13S4
RM-C241378
888.87
(6R,7R)-7-((Z)-2-(2-((6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxamido)thiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2

CEFIXIME IMPURITY 6
CAS:N/A
Formula: C32H28N10O13S4
RM-C241332
888.88
(6R,7R)-7-((Z)-2-(2-((6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)thiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2

CEFIXIME IMPURITY 7
CAS:N/A
Formula: C23H20N8O11S3
RM-C241333
680.65
(6R,7R)-7-((Z)-2-(2-((Z)-2-(2-aminothiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)thiazol-4-yl)-2-((carboxymethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFIXIME IMPURITY G
CAS:88621-01-6
Formula: C17H17N5O7S2
RM-C241307
467.48
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-((2-methoxy-2-oxoethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefixime Impurity H
CAS:79349-82-9
Formula: C9H10N2O3S
RM-C241308
226.25
(6R,7R)-7-AMino-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFIXIME-13C-15N2
CAS:N/A
Formula: C1513CH15N315N2O7S2
RM-C241340
456.43
(6R,7R)-7-((Z)-2-(2-(amino-15N)thiazol-4-yl-2-13C-3-15N)-2-((carboxymethoxy)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFIXIME-13C3-15N2
CAS:N/A
Formula: C1313C3H15N315N2O7S2
RM-C241315
458.41
(6R,7R)-7-((Z)-2-(2-(amino-15N)thiazol-4-yl-2-13C-3-15N)-2-(((carboxy-13C)methoxy-13C)imino)acetamido)-8-oxo-3-vinyl-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFMENOXIME IMPURITY 21
CAS:118090-09-8
Formula: C7H5NS2
RM-C132421
167.24
benzo[d]thiazole-2-thiol

CEFMENOXIME IMPURITY 27
CAS:1684396-27-7
Formula: C13H10N4O2S3
RM-C132427
350.43
S-(benzo[d]thiazol-2-yl) (E)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)ethanethioate

CEFMETAZOLE IMPURITY 11
CAS:56796-16-8
Formula: C15H17N3O7S2
RM-C132637
415.44
(6R,7S)-3-(acetoxymethyl)-7-(2-((cyanomethyl)thio)acetamido)-7-methoxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFMETAZOLE IMPURITY 12
CAS:74228-11-8
Formula: C15H18N10O5S3
RM-C132638
514.56
(6R,7S)-7-methoxy-7-(2-((1-methyl-1H-tetrazol-5-yl)thio)acetamido)-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFMETAZOLE IMPURITY 13
CAS:N/A
Formula: C15H17N7O6S3
RM-C132639
487.53
(6R,7S)-7-(2-((cyanomethyl)thio)acetamido)-7-methoxy-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-oxide

CEFMETAZOLE IMPURITY 3
CAS:N/A
Formula: C15H16N7NaO5S3
RM-C132636
493.51
sodium (6R,7S)-7-(2-((cyanomethyl)thio)acetamido)-7-methoxy-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate

CEFMETAZOLE IMPURITY 4
CAS:70953-19-4
Formula: C13H15N3O6S2
RM-C132630
373.4
(6R,7S)-7-(2-((cyanomethyl)thio)acetamido)-3-(hydroxymethyl)-7-methoxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefmetazole Impurity 52
CAS:N/A
Formula: C14H15N7O5S3
RM-C132678
457.5
(6R,7S)-7-(2-((cyanomethyl)thio)acetamido)-7-hydroxy-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefmetazole Impurity 61
CAS:N/A
Formula: C16H19N7O5S2
RM-C132688
453.49
(6R,7R)-7-(2-((cyanomethyl)thio)acetamido)-7-methoxy-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid

Cefmetazole Impurity 62
CAS:N/A
Formula: C15H17N3O7S2
RM-C132689
415.44
(7S)-3-(acetoxymethyl)-7-(2-((cyanomethyl)thio)acetamido)-7-methoxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFMETAZOLE IMPURITY 8
CAS:56610-72-1
Formula: C24H24N6O4S2
RM-C132634
524.62
(6R,7S)-Benzhydryl 7-aMino-7-Methoxy-3-(((1-Methyl-1H-tetrazol-5-yl)thio)Methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

CEFMETAZOLE IMPURITY 9
CAS:56796-19-1
Formula: C28H27N7O5S3
RM-C132635
637.75
(6R,7S)-benzhydryl 7-(2-((cyanomethyl)thio)acetamido)-7-methoxy-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

Cefmetazole Impurity B
CAS:N/A
Formula: C15H17N7O5S3
RM-C132602
471.53
(6R,7S)-7-(2-((cyanomethyl)thio)acetamido)-7-methoxy-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid

CEFMETAZOLE LACTONE
CAS:70993-70-3
Formula: C13H13N3O5S2
RM-C132601
355.39
2-((cyanomethyl)thio)-N-((5aR,6S)-6-methoxy-1,7-dioxo-1,3,4,5a,6,7-hexahydroazeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)acetamide

CEFMETAZOLE SODIUM IMPURITY 28
CAS:N/A
Formula: C16H20N6O7S3
RM-C132654
504.56
(6R,7S)-7-methoxy-7-(2-((2-methoxy-2-oxoethyl)thio)acetamido)-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFMETAZOLE SODIUM IMPURITY 31
CAS:68576-47-6
Formula: C15H17N7O4S4
RM-C132657
487.59
(6R,7S)-7-(2-((cyanomethyl)thio)acetamido)-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-7-(methylthio)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFMETAZOLE SODIUM IMPURITY 35
CAS:N/A
Formula: C15H17N7O5S3
RM-C132661
471.53
(6R,7S)-7-(2-((cyanomethyl)thio)acetamido)-7-methoxy-3-((4-methyl-5-thioxo-4,5-dihydro-1H-tetrazol-1-yl)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFMETAZOLE SODIUM IMPURITY 40
CAS:55817-29-3
Formula: C4H5NO2S
RM-C132666
131.15
2-((cyanomethyl)thio)acetic acid

CEFMINOX SODIUM IMPURITY 22
CAS:N/A
Formula: C16H21N7O7S3
RM-C131422
519.58
(6R,7S,Z)-7-(2-(((S)-2-amino-2-carboxyethyl)thio)acetamido)-7-methoxy-3-(((1-methyl-1H-tetrazol-5-yl)thio)methylene)-8-oxo-5-thia-1-azabicyclo[4.2.0]octane-2-carboxylic acid

Cefminox Sodium Impurity 33
CAS:N/A
Formula: C14H19N3O8S2
RM-C131433
421.45
(6R,7S)-7-(2-(((S)-2-amino-2-carboxyethyl)thio)acetamido)-3-(hydroxymethyl)-7-methoxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefminox Sodium Impurity 39
CAS:N/A
Formula: C12H12Cl2N6O4S2
RM-C131439
439.29
(6R,7R)-7-(2,2-dichloroacetamido)-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefodizime Impurity A
CAS:34272-64-5
Formula: C6H7NO2S2
RM-C060401
189.26
2-(4-methyl-2-thioxo-2,3-dihydrothiazol-5-yl)acetic acid

Cefoperazone Dimer
CAS:N/A
Formula: C50H52N18O15S4
RM-C061741
1273.32
(6R,7R)-7-((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-(4-(((6R,7R)-7-((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-(4-hydroxyphenyl)acetamido)-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carbonyl

CEFOPERAZONE EP IMPURITY A
CAS:73240-08-1
Formula: C23H23N5O8S
RM-C061701
529.52
(5aR,6R)-6-[[(2R)-2-[[(4-Ethyl-2,3-dioxopiperazin-1-yl)carbonyl]amino]-2-(4-hydroxyphenyl)acetyl]amino]-5a,6-dihydro-3H,7H-azeto[2,1-b]furo[3,4-d] [1,3] thiazine-1,7(4H)-dione

CEFOPERAZONE EP IMPURITY B
CAS:711598-76-4
Formula: C25H27N9O8S2
RM-C061702
645.67
(6R,7R)-7-((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-(4-hydroxyphenyl)acetamido)-3-((4-methyl-5-thioxo-4,5-dihydro-1H-tetrazol-1-yl)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFOPERAZONE EP IMPURITY C
CAS:13183-79-4
Formula: C2H4N4S
RM-C061703
116.14
1-Methyl-1H-tetrazole-5-thiol

CEFOPERAZONE EP IMPURITY D
CAS:37539-03-0
Formula: C10H11N5O3S2
RM-C061704
313.36
(6R,7R)-7-Amino-8-oxo-3-[(1H-1,2,3-triazol-4- ylsulfanyl)methyl]-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2- carboxylic acid ("7-TACA")

CEFOPERAZONE IMPURITY 1
CAS:62893-24-7
Formula: C15H17N3O6
RM-C061728
335.31
(R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-(4-hydroxyphenyl)acetic acid

CEFOPERAZONE IMPURITY 13
CAS:N/A
Formula: C23H25N5O9S
RM-C061739
547.54
2-((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-(4-hydroxyphenyl)acetamido)-2-(7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl)acetic acid

CEFOPERAZONE IMPURITY 14
CAS:N/A
Formula: C25H29N9O9S2
RM-C061740
663.68
(R)-2-((R)-carboxy((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-(4-hydroxyphenyl)acetamido)methyl)-5-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid

CEFOPERAZONE IMPURITY 15
CAS:N/A
Formula: C25H27N9O9S2
RM-C061742
661.67
(6R,7R)-7-(2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-(4-hydroxyphenyl)acetamido)-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-oxide

CEFOPERAZONE IMPURITY 2
CAS:59703-00-3
Formula: C7H9ClN2O3
RM-C061727
204.61
4-Ethyl-2,3-dioxopiperazine-1-carbonyl chloride

CEFOPERAZONE IMPURITY 21
CAS:N/A
Formula: C17H20N4O6
RM-C061748
376.37
(R)-4-ethyl-N-(1-(4-hydroxyphenyl)-2-oxo-2-((2-oxoethyl)amino)ethyl)-2,3-dioxopiperazine-1-carboxamide

CEFOPERAZONE IMPURITY 22
CAS:N/A
Formula: C23H25N5O9S
RM-C061749
547.54
(R)-2-((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-(4-hydroxyphenyl)acetamido)-2-((R)-7-oxo-1,2,5,7-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl)acetic acid

Cefoperazone Impurity 32
CAS:N/A
Formula: C17H20N4O6/C17H22N4O7
RM-C061761
4-ethyl-N-(1-(4-hydroxyphenyl)-2-oxo-2-((2-oxoethyl)amino)ethyl)-2,3-dioxopiperazine-1-carboxamide/N-(2-((2,2-dihydroxyethyl)amino)-1-(4-hydroxyphenyl)-2-oxoethyl)-4-ethyl-2,3-dioxopiperazine-1-carboxamide

CEFOPERAZONE IMPURITY 4
CAS:N/A
Formula: C25H27N9O9S2
RM-C061730
661.67
(6R,7R)-7-((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-(4-hydroxyphenyl)acetamido)-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-oxide

CEFOPERAZONE IMPURITY 5
CAS:N/A
Formula: C35H37N15O10S4
RM-C061731
956.02
(6R,7R)-7-((6R,7R)-7-((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-(4-hydroxyphenyl)acetamido)-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-

Cefoperazone Impurity J
CAS:24209-38-9
Formula: C10H12N6O3S2
RM-C061710
328.37
(6R,7R)-7-amino-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefoperazone Impurity K
CAS:N/A
Formula: C25H27N9O8S2
RM-C061711
645.67
(6R,7R)-7-((R)-2-(4-ethyl-2,3-dioxopiperazine-1-carboxamido)-2-(4-hydroxyphenyl)acetamido)-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid

CEFOPERAZONE-D5
CAS:2410425-70-4
Formula: C25H22D5N9O8S2
RM-C061765
650.7
(6R,7R)-7-((R)-2-(4-(ethyl-d5)-2,3-dioxopiperazine-1-carboxamido)-2-(4-hydroxyphenyl)acetamido)-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFOTAXIME EP IMPURITY A
CAS:65052-63-3
Formula: C14H15N5O5S2
RM-C202401
397.42
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFOTAXIME EP IMPURITY B
CAS:66340-28-1
Formula: C14H15N5O6S2
RM-C202402
413.43
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFOTAXIME EP IMPURITY C
CAS:66403-32-5
Formula: C17H17N5O8S2
RM-C202403
483.47
(6R,7R)-3-(acetoxymethyl)-7-((Z)-2-(2-formamidothiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFOTAXIME EP IMPURITY D
CAS:63527-53-7
Formula: C16H17N5O7S2
RM-C202404
455.46
(6R,7R)-3-(acetoxymethyl)-7-((E)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefotaxime EP Impurity E; Ceftriaxone EP Impurity B
CAS:66340-33-8
Formula: C14H13N5O5S2
RM-C202405
395.41
(Z)-2-(2-aminothiazol-4-yl)-N-((5aR,6R)-1,7-dioxo-1,3,4,5a,6,7-hexahydroazeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)-2-(methoxyimino)acetamide

CEFOTAXIME EP IMPURITY F
CAS:175032-97-0
Formula: C30H30N10O12S4
RM-C202406
850.88
(6R,7R)-3-(acetoxymethyl)-7-((Z)-2-(2-((((6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-2-carboxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)methyl)amino)thiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-

CEFOTAXIME EP IMPURITY G
CAS:2489535-06-8
Formula: C22H22N8O9S3
RM-C202407
638.65
(6R,7R)-3-(acetoxymethyl)-7-((Z)-2-(2-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)thiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFOTAXIME IMPURITY 10
CAS:N/A
Formula: C26H27N7O11S3
RM-C202436
709.73
(6R,7R)-3-(acetoxymethyl)-7-((6R,7R)-3-(acetoxymethyl)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFOTAXIME IMPURITY 14
CAS:N/A
Formula: C14H15N5O6S2
RM-C202440
413.43
(Z)-2-(2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-2-(7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl)acetic acid

CEFOTAXIME IMPURITY 29
CAS:N/A
Formula: C16H17N5O7S2
RM-C202455
455.46
(6R,7R)-3-(acetoxymethyl)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid

CEFOTAXIME IMPURITY 30 (CEFOTAXIME S-OXIDE)
CAS:97466-27-8
Formula: C16H17N5O8S2
RM-C202456
471.46
(6R,7R)-3-(acetoxymethyl)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-oxide

CEFOTAXIME IMPURITY 39
CAS:66341-09-1
Formula: C6H7N3O3S
RM-C202439
201.2
(E)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetic acid

Cefotaxime Impurity 42
CAS:N/A
Formula: C14H13N5O5S2
RM-C202467
395.41
(E)-2-(2-aminothiazol-4-yl)-N-((5aR,6R)-1,7-dioxo-1,4,5a,6-tetrahydro-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)-2-(methoxyimino)acetamide

Cefotaxime Impurity 43
CAS:N/A
Formula: C10H12N2O6S
RM-C202468
288.27
(6R,7R)-3-(acetoxymethyl)-7-amino-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-oxide

CEFOTAXIME IMPURITY 44
CAS:N/A
Formula: C12H12N6O5S2
RM-C202469
384.39
(Z)-2-(2-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)thiazol-4-yl)-2-(methoxyimino)acetic acid

Cefotaxime Impurity 74
CAS:N/A
Formula: C14H15N5O6S2
RM-C202499
413.42
(2R)-2-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-2-(7-oxo-1,2,5,7-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl)acetic acid--(2S)-2-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-2-(7-oxo-1,2,5,7-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2

CEFOTIAM IMPURITY 6
CAS:61607-68-9
Formula: C5H11N5S
RM-C061306
173.24
1-(2-(Dimethylamino)ethyl)-1H-tetrazole-5-thiol

CEFOTIAM IMPURITY B
CAS:1566599-01-6
Formula: C13H12N4O4S2
RM-C061302
352.39
2-(2-aminothiazol-4-yl)-N-((5aR,6R)-1,7-dioxo-1,3,4,5a,6,7-hexahydroazeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)acetamide

CEFOXITIN IMPURITY 12
CAS:N/A
Formula: C16H17N3O7S2
RM-C242012
427.45
(6R,7S)-3-((carbamoyloxy)methyl)-7-methoxy-8-oxo-7-(2-(thiophen-3-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefoxitin Impurity 18
CAS:N/A
Formula: C16H17N3O8S2
RM-C242018
443.45
(6R,7S)-3-((carbamoyloxy)methyl)-7-methoxy-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-oxide

Cefoxitin Impurity 19
CAS:N/A
Formula: C17H19N3O7S2
RM-C242019
441.48
(6R,7S)-methyl 3-((carbamoyloxy)methyl)-7-methoxy-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

CEFOXITIN IMPURITY 21
CAS:37051-05-1
Formula: C15H15N3O6S2
RM-C242021
397.43
(6R,7R)-3-((carbamoyloxy)methyl)-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefoxitin Impurity 25
CAS:N/A
Formula: C15H17N3O5S2
RM-C242025
383.44
(6R,7S)-3-(aminomethyl)-7-methoxy-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefoxitin Impurity 42
CAS:N/A
Formula: C16H16N2O6S2
RM-C242042
396.43
(6S,7S)-3-(acetoxymethyl)-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefoxitin Impurity 43
CAS:N/A
Formula: C14H14N2O5S2
RM-C242043
354.4
(6S,7S)-3-(hydroxymethyl)-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefoxitin Sodium EP Impurity A
CAS:54333-94-7
Formula: C15H16N2O6S2
RM-C242001
384.43
(6R,7S)-3-(hydroxymethyl)-7-methoxy-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefoxitin Sodium EP Impurity B
CAS:N/A
Formula: C16H17N3O7S2
RM-C242002
427.45
(6R,7S)-3-((carbamoyloxy)methyl)-7-methoxy-8-oxo-7-(2-(thiophen-2-yl)acetamido)-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid

Cefoxitin Sodium EP Impurity C
CAS:10590-10-0
Formula: C14H12N2O4S2
RM-C242003
336.39
N-((5aR,6R)-1,7-dioxo-1,3,4,5a,6,7-hexahydroazeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)-2-(thiophen-2-yl)acetamide

Cefoxitin Sodium EP Impurity D
CAS:1422023-33-3
Formula: C15H14N2O5S2
RM-C242004
366.41
N-((5aR,6S)-6-methoxy-1,7-dioxo-1,3,4,5a,6,7-hexahydroazeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)-2-(thiophen-2-yl)acetamide

Cefoxitin Sodium EP Impurity E (R-Methoxy Cefoxitin)
CAS:2395025-32-6
Formula: C17H19N3O8S2
RM-C242010
457.48
(6R,7S)-3-((carbamoyloxy)methyl)-7-methoxy-7-((R)-2-methoxy-2-(thiophen-2-yl)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefoxitin Sodium EP Impurity F (S-Methoxy Cefoxitin)
CAS:2395025-37-1
Formula: C17H19N3O8S2
RM-C242006
457.48
(6R,7S)-3-((carbamoyloxy)methyl)-7-methoxy-7-((S)-2-methoxy-2-(thiophen-2-yl)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefpirome Impurity 13
CAS:N/A
Formula: C6H8N4O2S
RM-C160939
200.22
(Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamide

CEFPODOXIME PROXETIL EP IMPURITY A
CAS:80210-62-4
Formula: C15H17N5O6S2
RM-C061601
427.46
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFPODOXIME PROXETIL EP IMPURITY B
CAS:947692-14-0
Formula: C20H25N5O8S2
RM-C061602
527.58
(6R,7R)-1-((isopropoxycarbonyl)oxy)ethyl 7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

CEFPODOXIME PROXETIL EP IMPURITY C
CAS:339528-86-8
Formula: C21H27N5O9S2
RM-C061603
557.61
(6R,7R)-1-((isopropoxycarbonyl)oxy)ethyl 7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate

CEFPODOXIME PROXETIL EP IMPURITY D
CAS:947692-13-9
Formula: C21H27N5O9S2
RM-C061604
557.61
(6R,7R)-1-((isopropoxycarbonyl)oxy)ethyl 7-((E)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

CEFPODOXIME PROXETIL EP IMPURITY E
CAS:217803-89-9
Formula: C22H27N5O10S2
RM-C061605
585.62
(6R,7R)-1-((isopropoxycarbonyl)oxy)ethyl 3-(acetoxymethyl)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

CEFPODOXIME PROXETIL EP IMPURITY F
CAS:96680-30-7
Formula: C22H27N5O10S2
RM-C061606
585.62
(6R,7R)-1-((isopropoxycarbonyl)oxy)ethyl 7-((Z)-2-(2-formamidothiazol-4-yl)-2-(methoxyimino)acetamido)-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

CEFPODOXIME PROXETIL EP IMPURITY G
CAS:947692-15-1
Formula: C23H29N5O10S2
RM-C061607
599.63
(6R,7R)-1-((isopropoxycarbonyl)oxy)ethyl 7-((Z)-2-(2-acetamidothiazol-4-yl)-2-(methoxyimino)acetamido)-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

CEFPODOXIME PROXETIL EP IMPURITY H
CAS:947692-16-2
Formula: C42H54N10O18S4
RM-C061608
1115.19
1-((isopropoxycarbonyl)oxy)ethyl (6R,7R)-7-((Z)-2-(2-((2R)-2-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-2-((2R)-4-((1-((isopropoxycarbonyl)oxy)ethoxy)carbonyl)-5-(methoxymethyl)-3,6-dihydro-2H-1,3-thiazin-2-yl)acetamido)thiazol-4-yl)-2-(metho

CEFPODOXIME PROXETIL IMPURITY 10
CAS:N/A
Formula: C21H27N5O10S2
RM-C061610
573.6
(6R,7R)-1-((isopropoxycarbonyl)oxy)ethyl 7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 5-oxide

Cefpodoxime Proxetil Impurity 11
CAS:N/A
Formula: C21H27N5O10S2
RM-C061611
573.6
(6R,7R)-1-((isopropoxycarbonyl)oxy)ethyl 7-((E)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 5-oxide

Cefpodoxime Proxetil Impurity 12
CAS:1192365-87-9
Formula: C25H33N5O11S2
RM-C061612
643.69
(6R,7R)-1-((isopropoxycarbonyl)oxy)ethyl 7-((Z)-2-(2-((isopropoxycarbonyl)amino)thiazol-4-yl)-2-(methoxyimino)acetamido)-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

CEFPROZIL AMIDE
CAS:N/A
Formula: C26H26N4O7S
RM-C162635
538.57
(R)-2-((6R,7R)-7-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-8-oxo-3-((Z)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)-2-(4-hydroxyphenyl)acetic acid

Cefprozil EP Impurity C; Cefadroxil EP Impurity E
CAS:147103-93-3
Formula: C11H11N3O3
RM-C162603
233.22
3-(aminomethylene)-6-(4-hydroxyphenyl)piperazine-2,5-dione

CEFPROZIL EP IMPURITY G
CAS:N/A
Formula: C18H21N3O6S
RM-C162607
407.44
(R)-2-((R)-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)(carboxy)methyl)-5-((Z)-prop-1-en-1-yl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid

CEFPROZIL EP IMPURITY H
CAS:N/A
Formula: C26H26N4O7S
RM-C162608
538.57
(6R,7R)-7-((R)-2-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-2-(4-hydroxyphenyl)acetamido)-8-oxo-3-((Z)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFPROZIL EP IMPURITY I
CAS:N/A
Formula: C18H21N3O6S
RM-C162609
407.44
(R)-2-((R)-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)(carboxy)methyl)-5-((E)-prop-1-en-1-yl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid

CEFPROZIL EP IMPURITY K
CAS:N/A
Formula: C18H19N3O5S
RM-C162611
389.43
3-((2R,5R)-5-ethyl-7-oxo-2,4,5,7-tetrahydro-1H-furo[3,4-d][1,3]thiazin-2-yl)-6-(4-hydroxyphenyl)piperazine-2,5-dione

CEFPROZIL EP IMPURITY L
CAS:203007-73-2
Formula: C10H13NO4
RM-C162612
211.21
(R)-2-hydroxyethyl 2-amino-2-(4-hydroxyphenyl)acetate

CEFPROZIL EP IMPURITY M
CAS:N/A
Formula: C21H23N3O7S
RM-C162613
461.49
(6R,7R)-7-((R)-2-amino-2-(4-((ethoxycarbonyl)oxy)phenyl)acetamido)-8-oxo-3-((Z)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFPROZIL EP IMPURITY N
CAS:N/A
Formula: C21H23N3O7S
RM-C162614
461.49
(6R,7R)-7-((R)-2-amino-2-(4-((ethoxycarbonyl)oxy)phenyl)acetamido)-8-oxo-3-((E)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFPROZIL IMPURITY 1
CAS:N/A
Formula: C17H19N3O6S
RM-C162627
393.41
(6R,7R)-7-(2-amino-2-(4-hydroxyphenyl)acetamido)-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefprozil Impurity 12
CAS:N/A
Formula: C17H19N3O6S
RM-C162638
393.41
(6R,7R)-7-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-3-(methoxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefprozil Impurity 13
CAS:N/A
Formula: C36H36N6O9S2
RM-C162639
760.84
(6R,7R)-7-((R)-2-((6R,7R)-7-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-8-oxo-3-((Z)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)-2-(4-hydroxyphenyl)acetamido)-8-oxo-3-((Z)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxy

CEFPROZIL IMPURITY 4
CAS:N/A
Formula: C36H36N6O9S2
RM-C162630
760.84
(6S,7S)-7-((2R)-2-((6R,7R)-7-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-8-oxo-3-((E)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxamido)-2-(4-hydroxyphenyl)acetamido)-8-oxo-3-((E)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carbox

CEFPROZIL IMPURITY 5
CAS:1000980-59-5
Formula: C18H19N3O5S
RM-C162631
389.43
(6R,7R)-7-((R)-2-amino-2-(4-hydroxyphenyl)acetamido)-8-oxo-3-((Z)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid

CEFPROZIL IMPURITY 6
CAS:N/A
Formula: C10H12N2O3S*2
RM-C162632
(6R,7R)-7-amino-8-oxo-3-((Z/E)-prop-1-en-1-yl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefradine EP Impurity D (Isomer 2)
CAS:N/A
Formula: C16H19N3O5S
RM-C060504
365.4
(6R,7R)-7-((R)-2-amino-2-(cyclohexa-1,4-dien-1-yl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-oxide (isomer 2)

Cefradine Impurity 15
CAS:37051-00-6
Formula: C16H21N3O4S
RM-C060515
351.42
(6R,7R)-7-((R)-2-amino-2-(cyclohex-1-en-1-yl)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefradine Impurity 24
CAS:26108-29-2
Formula: C8H11NO2
RM-C060524
153.18
(S)-2-amino-2-(cyclohexa-1,4-dien-1-yl)acetic acid

CEFTAZIDIME EP IMPURITY A
CAS:1000980-60-8
Formula: C22H22N6O7S2
RM-C062101
546.58
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate

CEFTAZIDIME EP IMPURITY B
CAS:97148-38-4
Formula: C22H22N6O7S2
RM-C062102
546.58
(6R,7R)-7-((E)-2-(2-aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

CEFTAZIDIME EP IMPURITY C
CAS:3432-88-0
Formula: C13H13N3O3S
RM-C062103
291.33
(6R,7R)-7-Amino-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

CEFTAZIDIME EP IMPURITY E
CAS:102772-66-7
Formula: C26H30N6O7S2
RM-C062105
602.69
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(((1-(tert-butoxy)-2-methyl-1-oxopropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

CEFTAZIDIME EP IMPURITY G
CAS:194241-83-3
Formula: C11H14N4O5S
RM-C062107
314.32
(Z)-2-(((1-(2-aminothiazol-4-yl)-2-oxo-2-((2-oxoethyl)amino)ethylidene)amino)oxy)-2-methylpropanoic acid

CEFTAZIDIME EP IMPURITY H
CAS:1354396-23-8
Formula: C23H24N6O7S2
RM-C062108
560.61
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(((1-methoxy-2-methyl-1-oxopropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

CEFTAZIDIME IMPURITY 11
CAS:N/A
Formula: C22H24N6O8S2
RM-C062111
564.59
(R)-2-((R)-((Z)-2-(2-aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)(carboxy)methyl)-5-(pyridin-1-ium-1-ylmethyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylate

Ceftazidime Impurity 12 (6R,7S-Isomer)
CAS:N/A
Formula: C22H22N6O7S2
RM-C062112
546.58
(6R,7S)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

CEFTAZIDIME IMPURITY 15
CAS:1301254-48-7
Formula: C22H22N6O8S2
RM-C062115
562.58
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 5-oxide

CEFTAZIDIME IMPURITY 17
CAS:1301254-50-1
Formula: C17H17N5O7S2
RM-C062117
467.48
2-(((Z)-(1-(2-aminothiazol-4-yl)-2-(((5aR,6R)-1,7-dioxo-1,3,4,5a,6,7-hexahydroazeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)amino)-2-oxoethylidene)amino)oxy)-2-methylpropanoic acid

Ceftazidime Impurity 37 (6S,7S-Isomer)
CAS:N/A
Formula: C22H22N6O7S2
RM-C062137
546.57
(6S,7S)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

Ceftazidime Impurity 43
CAS:N/A
Formula: C66H62N18O19S6
RM-C062143
1603.69
(6R,7R)-7-((Z)-2-(2-((6R,7R)-7-((Z)-2-(2-((6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(((2-carboxylatopropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)thiazol-4-yl)-2-(((2-carboxylatopropan

Ceftazidime Impurity 61
CAS:N/A
Formula: C26H30N6O7S2
RM-C062161
602.68
(6R,7R)-7-((E)-2-(2-aminothiazol-4-yl)-2-(((1-(tert-butoxy)-2-methyl-1-oxopropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

Ceftazidime Impurity 62
CAS:N/A
Formula: C26H30N6O7S2
RM-C062162
602.68
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(((1-(tert-butoxy)-2-methyl-1-oxopropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate

Ceftazidime Impurity 64
CAS:N/A
Formula: C27H33N6O7S2*Cl
RM-C062164
1-(((6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(((1-(tert-butoxy)-2-methyl-1-oxopropan-2-yl)oxy)imino)acetamido)-2-(methoxycarbonyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)methyl)pyridin-1-ium chloride

Ceftazidime Impurity 65
CAS:N/A
Formula: C17H19N5O8S2
RM-C062165
485.49
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFTAZIDIME PENTAHYDRATE
CAS:78439-06-2
Formula: C22H22N6O7S2*5 H2O
RM-C062100
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(((2-carboxypropan-2-yl)oxy)imino)acetamido)-8-oxo-3-(pyridin-1-ium-1-ylmethyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate pentahydrate

CEFTIZOXIME IMPURITY 1
CAS:N/A
Formula: C13H15N5O6S2
RM-C202627
401.42
(Z)-2-((2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)(carboxy)methyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid

CEFTIZOXIME IMPURITY 10 HCL
CAS:68697-60-9
Formula: C9H12ClNO3
RM-C202610
217.65
methyl 2-amino-2-(4-hydroxyphenyl)acetate hydrochloride

CEFTIZOXIME IMPURITY 3
CAS:N/A
Formula: C13H13N5O5S2
RM-C202629
383.4
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid

Ceftizoxime Impurity 36
CAS:929101-93-9
Formula: C19H18N8O7S3
RM-C202636
566.59
(6R,7R)-7-((Z)-2-(2-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)thiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFTIZOXIME IMPURITY 4
CAS:1942004-69-4
Formula: C13H15N5O6S2
RM-C202630
401.42
(R)-2-((R)-((Z)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetamido)(carboxy)methyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid

Ceftizoxime Impurity 40
CAS:2630907-20-7
Formula: C13H13N5O5S2
RM-C202640
383.4
(6R,7S)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Ceftizoxime Impurity 43
CAS:N/A
Formula: C12H15N5O5S2
RM-C202643
373.4
(Z)-2-(2-aminothiazol-4-yl)-N-(1-((Z)-3-hydrosulfinyl-1-hydroxyprop-1-en-1-yl)-2-oxoazetidin-3-yl)-2-(methoxyimino)acetamide

Ceftizoxime Impurity 47
CAS:N/A
Formula: C26H24N10O9S4
RM-C202647
748.78
(6R,7R)-7-((Z)-2-(2-((6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)thiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Ceftizoxime Impurity 48
CAS:N/A
Formula: C15H19N5O6S2
RM-C202648
429.47
(Z)-2-(4-(2-aminothiazol-4-yl)-5,8-dioxo-2,9-dioxa-3,6-diazaundec-3-en-7-yl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid

CEFTIZOXIME IMPURITY 5
CAS:68403-31-6
Formula: C13H13N5O5S2
RM-C202631
383.4
(6R,7R)-7-((E)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFTIZOXIME IMPURITY 6
CAS:N/A
Formula: C26H26N10O10S4
RM-C202632
766.81
(6R,7R)-7-((Z)-2-(2-(2-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-2-(4-carboxy-3,6-dihydro-2H-1,3-thiazin-2-yl)acetamido)thiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Ceftizoxime Impurity 69
CAS:N/A
Formula: C13H15N5O6S2
RM-C202669
401.41
2-((R)-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)(carboxy)methyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid

Ceftizoxime Impurity 72
CAS:N/A
Formula: C26H24N10O9S4
RM-C202672
748.78
(7R)-7-((Z)-2-(2-((7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxamido)thiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Ceftizoxime Impurity 73
CAS:N/A
Formula: C26H26N10O10S4
RM-C202673
766.79
(7R)-7-((Z)-2-(2-(2-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-2-(4-carboxy-3,6-dihydro-2H-1,3-thiazin-2-yl)acetamido)thiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFTIZOXIME IMPURITY 8
CAS:79226-66-7
Formula: C13H13N5O6S2
RM-C202634
399.4
(6R,7R)-7-((Z)-2-(2-Aminothiazol-4-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-oxide

CEFTRIAXONE 3-ENE ISOMER
CAS:N/A
Formula: C18H18N8O7S3
RM-C062427
554.58
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-(((2-methyl-5,6-dioxo-1,2,5,6-tetrahydro-1,2,4-triazin-3-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylic acid

Ceftriaxone EP Impurity A((E)-Ceftriaxone)
CAS:92143-31-2
Formula: C18H18N8O7S3
RM-C062401
554.58
(6R,7R)-7-((E)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-3-(((2-methyl-5,6-dioxo-1,2,5,6-tetrahydro-1,2,4-triazin-3-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFTRIAXONE EP IMPURITY D
CAS:80756-85-0
Formula: C13H10N4O2S3
RM-C062404
350.44
(Z)-S-benzo[d]thiazol-2-yl 2-(2-aminothiazol-4-yl)-2-(methoxyimino)ethanethioate

CEFTRIAXONE EP IMPURITY E
CAS:58909-56-1
Formula: C12H13N5O5S2
RM-C062405
371.39
(6R,7R)-7-amino-3-(((2-methyl-5,6-dioxo-1,2,5,6-tetrahydro-1,2,4-triazin-3-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFUROXIME AXETIL EP IMPURITY A
CAS:123458-61-7
Formula: C20H22N4O10S
RM-C061831
510.47
1-acetoxyethyl (6R,7R)-3-((carbamoyloxy)methyl)-7-((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-3-ene-2-carboxylate

CEFUROXIME AXETIL EP IMPURITY B
CAS:97232-96-7
Formula: C20H22N4O10S
RM-C061832
510.47
(6R,7R)-1-acetoxyethyl 3-((carbamoyloxy)methyl)-7-((E)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

Cefuroxime Axetil EP Impurity C; Cefuroxime Sodium EP Impurity D
CAS:76598-06-6
Formula: C18H15Cl3N4O9S
RM-C061833
569.76
(6R,7R)-7-((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-3-((((2,2,2-trichloroacetyl)carbamoyl)oxy)methyl)-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cefuroxime Axetil EP Impurity E; Cefuroxime Sodium EP Impurity H
CAS:947723-87-7
Formula: C15H13N3O6S
RM-C061835
363.35
(Z)-N-((5aR,6R)-1,7-dioxo-1,3,4,5a,6,7-hexahydroazeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)-2-(furan-2-yl)-2-(methoxyimino)acetamide

Cefuroxime Axetil Impurity 3
CAS:69384-96-9
Formula: C7H7NO4
RM-C061843
169.13
(E)-2-(furan-2-yl)-2-(methoxyimino)acetic acid

CEFUROXIME EP IMPURITY I
CAS:39684-61-2
Formula: C7H7NO4
RM-C061809
169.13
(Z)-2-(Furan-2-yl)-2-(methoxyimino)acetic acid

Cefuroxime Impurity 112
CAS:N/A
Formula: C19H21N3O8S
RM-C063912
451.45
1-acetoxyethyl (6R,7R)-7-((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

Cefuroxime Impurity 113
CAS:N/A
Formula: C21H23N3O10S
RM-C063913
509.49
1-acetoxyethyl (6R,7R)-3-(acetoxymethyl)-7-((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate

Cefuroxime Impurity 76
CAS:213912-36-8
Formula: C15H17N3O8S
RM-C061876
399.37
(R)-2-((R)-carboxy((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)methyl)-5-(hydroxymethyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid

Cefuroxime Impurity 82; Deacetoxycephalosporin C
CAS:26924-74-3
Formula: C14H19N3O6S
RM-C061882
357.38
(6R,7R)-7-((R)-5-amino-5-carboxypentanamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFUROXIME SODIUM EP IMPURITY A
CAS:56271-94-4
Formula: C15H15N3O7S
RM-C061804
381.36
(6R,7R)-7-((Z)-2-(Furan-2-yl)-2-(methoxyimino)acetamido)-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFUROXIME SODIUM EP IMPURITY B
CAS:39685-31-9
Formula: C17H17N3O8S
RM-C061805
423.4
(6R,7R)-3-(acetoxymethyl)-7-((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFUROXIME SODIUM EP IMPURITY C
CAS:69822-88-4
Formula: C15H15N3O6S
RM-C061806
365.36
(6R,7R)-7-((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFUROXIME SODIUM EP IMPURITY E
CAS:97232-97-8
Formula: C16H16N4O8S
RM-C061811
424.39
(6R,7R)-3-((carbamoyloxy)methyl)-7-((E)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFUROXIME SODIUM EP IMPURITY F
CAS:97170-19-9
Formula: C15H15N3O7S
RM-C061812
381.36
(6R,7R)-7-((E)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-3-(hydroxymethyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFUROXIME SODIUM EP IMPURITY G
CAS:97232-98-9
Formula: C17H17N3O8S
RM-C061808
423.4
(6R,7R)-3-(acetoxymethyl)-7-((E)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CEFUROXIME SODIUM IMPURITY 14
CAS:929531-94-2
Formula: C16H16N4O9S
RM-C061840
440.38
(6R,7R)-3-((carbamoyloxy)methyl)-7-((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid 5-oxide

Cefuroxime Sodium Impurity 53
CAS:N/A
Formula: C15H18N4O7S
RM-C061853
398.39
(R)-5-(aminomethyl)-2-((R)-carboxy((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)methyl)-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid

Cefuroxime Sodium Impurity 54
CAS:N/A
Formula: C20H22N4O11S
RM-C061854
526.47
(6R,7R)-1-acetoxyethyl 3-((carbamoyloxy)methyl)-7-((Z)-2-(furan-2-yl)-2-(methoxyimino)acetamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate 5-oxide

Cefuroxime Sodium Impurity 69
CAS:N/A
Formula: C15H13N3O6S
RM-C061869
363.35
(E)-N-((5aR,6R)-1,7-dioxo-1,3,4,5a,6,7-hexahydroazeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)-2-(furan-2-yl)-2-(methoxyimino)acetamide

CELECOXIB EP IMPURITY A
CAS:170570-01-1
Formula: C17H14F3N3O2S
RM-C120301
381.37
4-[5-(3-Methylphenyl)-3-trifluoromethyl-1H-pyrazol-1-yl]benzenesulfonamide

CELECOXIB EP IMPURITY B
CAS:331943-04-5
Formula: C17H14F3N3O2S
RM-C120302
381.37
4-[3-(4-Methylphenyl)-5-trifluoromethyl-1H-pyrazol-1-yl]benzenesulfonamide

CELECOXIB IMPURITY 16
CAS:2247197-67-5
Formula: C19H17F3N2O3S
RM-C120316
410.41
ethyl 4-(5-(p-tolyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)benzenesulfonate

CELECOXIB IMPURITY 17
CAS:2247197-66-4
Formula: C18H15F3N2O3S
RM-C120317
396.38
methyl 4-(5-(p-tolyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)benzenesulfonate

CELECOXIB IMPURITY 24
CAS:2247197-65-3
Formula: C17H14F3N3O4S
RM-C120324
413.37
4-(5-(4-(Hydroperoxymethyl)phenyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)benzenesulfonamide

Celecoxib Impurity 33
CAS:N/A
Formula: C15H17N3O2S
RM-C120333
303.38
(E)-4-(2-(1-(m-tolyl)ethylidene)hydrazinyl)benzenesulfonamide

Celecoxib Impurity 70
CAS:1061214-09-2
Formula: C17H15F3N2O3S
RM-C120370
384.37
4-((1,1,1-trifluoro-4-oxo-4-(p-tolyl)butan-2-ylidene)amino)benzenesulfonamide

CELECOXIB IMPURITY D
CAS:170569-99-0
Formula: C17H14F3N3O2S
RM-C120304
381.38
4-(5-(o-tolyl)-3-(trifluoromethyl)-1H-pyrazol-1-yl)benzenesulfonamide

CELECOXIB IMPURITY G
CAS:1061214-06-9
Formula: C15H17N3O2S
RM-C120307
303.38
(E)-4-(2-(1-(p-tolyl)ethylidene)hydrazineyl)benzenesulfonamide

CELECOXIB IMPURITY H
CAS:948293-46-7
Formula: C11H9F3N2
RM-C120308
226.2
5-(p-tolyl)-3-(trifluoromethyl)-1H-pyrazole

CELECOXIB IMPURITY J
CAS:17852-52-7
Formula: C6H10ClN3O2S
RM-C120311
223.68
4-hydrazinylbenzenesulfonamide hydrochloride

CEPHALEXIN IMPURITY 11
CAS:1323247-65-9
Formula: C16H19N3O5S
RM-C061237
365.4
2-(1-amino-2-((carboxy(phenyl)methyl)amino)-2-oxoethyl)-5-methyl-3,6-dihydro-2H-1,3-thiazine-4-carboxylic acid

CEPHALEXIN-D5
CAS:2101505-56-8
Formula: C16H12D5N3O4S
RM-C061230
352.42
(6R,7R)-7-((R)-2-amino-2-(phenyl-d5)acetamido)-3-methyl-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

Cephalosporin Impurity B
CAS:184696-69-3
Formula: C8H8N2O3S
RM-C051602
212.23
(5aR,6R)-6-amino-5a,6-dihydroazeto[2,1-b]furo[3,4-d][1,3]thiazine-1,7(3H,4H)-dione

CEPHALOSPORIN IMPURITY C
CAS:61-24-5
Formula: C16H21N3O8S
RM-C051603
415.42
(6R,7R)-3-(acetoxymethyl)-7-((R)-5-amino-5-carboxypentanamido)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid

CETIRIZINE 3-CHLORO IMPURITY
CAS:1232460-31-9
Formula: C21H25ClN2O3
RM-C201814
388.89
2-(2-(4-((3-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetic acid

Cetirizine EP Impurity B; USP Cetirizine Acetic Acid 2Hcl
CAS:1000690-91-4
Formula: C19H21ClN2O2 2HCl
RM-C201802
2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)acetic acid dihydrochloride

Cetirizine EP Impurity C; USP 2-Chlorocetirizine
CAS:83881-59-8(free base)
Formula: C21H25ClN2O3 2HCl
RM-C201803
2-(2-(4-((2-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetic acid dihydrochloride

Cetirizine EP Impurity D; USP Cetirizine Dimer; Meclozine EP Impurity F
CAS:346451-15-8
Formula: C30H28Cl2N2
RM-C201804
487.47
1,4-Bis((4-chlorophenyl)(phenyl)methyl)piperazine

Cetirizine EP Impurity E; USP Ethoxycetirizine
CAS:682323-77-9(free base)
Formula: C23H29ClN2O4 2HCl
RM-C201805
2-(2-(2-(4-((4-Chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)ethoxy)acetic acid dihydrochloride

Cetirizine EP Impurity F; USP Deschlorocetirizine
CAS:83881-53-2(free base)
Formula: C21H26N2O3 2HCl
RM-C201806
2-(2-(4-benzhydrylpiperazin-1-yl)ethoxy)acetic acid dihydrochloride

Cetirizine EP Impurity G; USP Cetirizine Related Compound G
CAS:164726-80-1
Formula: C19H23ClN2O 2HCl
RM-C201807
Cetirizine ethanol; 2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethanol dihydrochloride

CETIRIZINE IMPURITY 10
CAS:N/A
Formula: C24H31ClN2O5
RM-L052236
462.97
2,3-dihydroxypropyl 2-(2-(4-((R)-(4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate

Cetirizine Impurity 37; USP Glyceryl Ester Of Cetirizine
CAS:1243652-36-9
Formula: C24H31ClN2O5
RM-C201837
462.97
2,3-dihydroxypropyl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate

CETIRIZINE IMPURITY 42
CAS:705289-61-8
Formula: C19H23ClN2O
RM-C201842
330.85
(R)-2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethanol

CETIRIZINE IMPURITY 43
CAS:942193-17-1
Formula: C19H21ClN2O2
RM-C201843
344.84
(R)-2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)acetic acid

Cetirizine Impurity 46; USP Cetirizine Related Compound B
CAS:10527-64-7
Formula: C19H24N2O
RM-C201846
296.41
2-(4-benzhydrylpiperazin-1-yl)ethan-1-ol

CETIRIZINE IMPURITY 48
CAS:N/A
Formula: C24H31ClN2O5
RM-C201848
462.97
(R)-1,3-dihydroxypropan-2-yl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate

Cetirizine Impurity 50
CAS:N/A
Formula: C23H29ClN2O3 2HCl
RM-C201850
(R)-ethyl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate dihydrochloride

Cetirizine Impurity 51
CAS:N/A
Formula: C27H37ClN2O8 HCl
RM-C201851
(2R,3R,4R,5R)-2,3,4,5,6-pentahydroxyhexyl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate hydrochloride

Cetirizine Impurity 58
CAS:N/A
Formula: C25H33ClN2O3
RM-C201858
444.99
sec-butyl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate

Cetirizine Impurity 59
CAS:N/A
Formula: C24H31ClN2O4
RM-C201859
446.97
1-hydroxypropan-2-yl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate/2-hydroxypropyl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate

Cetirizine Impurity 62
CAS:N/A
Formula: C25H32Cl2N2O6
RM-C201862
527.44
(R)-1,1-bis(2-(carboxymethoxy)ethyl)-4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-ium chloride

CETIRIZINE IMPURITY 64
CAS:442863-80-1
Formula: C21H25ClN2O4
RM-C201864
404.89
(R)-1-(2-(carboxymethoxy)ethyl)-4-((4-chlorophenyl)(phenyl)methyl)piperazine 1-oxide

CETIRIZINE IMPURITY 66(CETIRIZINE POLYETHYLENE GLYCOL ESTER)
CAS:1509941-93-8
Formula: C21H25ClN2O3 [C2H4O]n
RM-C201866
Cetirizine Polyethylene Glycol (PEG) Ester

Cetirizine Impurity 68
CAS:N/A
Formula: C19H23ClN2O3
RM-C201868
362.85
2-(2-((2-(((4-chlorophenyl)(phenyl)methyl)amino)ethyl)amino)ethoxy)acetic acid

Cetirizine Impurity 69
CAS:N/A
Formula: C25H31ClN2O6
RM-C201869
490.98
(R)-2-(2-(1-(2-(carboxymethoxy)ethyl)-4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-ium-1-yl)ethoxy)acetate

Cetirizine Impurity 77
CAS:N/A
Formula: C24H31ClN2O4
RM-C201877
446.97
1-hydroxypropan-2-yl 2-(2-(4-((R)-(4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate/2-hydroxypropyl 2-(2-(4-((R)-(4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate

Cetirizine Impurity 78
CAS:N/A
Formula: C24H31ClN2O5
RM-C201878
462.97
1,3-dihydroxypropan-2-yl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate--2,3-dihydroxypropyl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate (1/1)

CETIRIZINE LACTOSE ESTER
CAS:N/A
Formula: C33H45ClN2O13
RM-C201870
713.17
(2S,3R,4R,5S,6R)-3,4-dihydroxy-6-(hydroxymethyl)-5-(((2S,3R,4S,5R,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-2-yl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate

CETIRIZINE METHYL ESTER
CAS:83881-46-3
Formula: C22H27ClN2O3
RM-C201809
402.91
methyl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate

CETIRIZINE N-OXIDE
CAS:1076199-80-8
Formula: C21H25ClN2O4
RM-C201810
404.89
1-(2-(carboxymethoxy)ethyl)-4-((4-chlorophenyl)(phenyl)methyl)piperazine 1-oxide

CETIRIZINE RELATED COMPOUND C
CAS:200707-85-3
Formula: C21H26ClN3O2 2HCl
RM-C201801
2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetamide dihydrochloride

CETIRIZINE USP RELATED COMPOUND A
CAS:246870-46-2
Formula: C23H29ClN2O3
RM-C201808
416.95
ethyl 2-(2-(4-((4-chlorophenyl)(phenyl)methyl)piperazin-1-yl)ethoxy)acetate

Chlorhexidine Digluconate Solution EP Impurity J
CAS:N/A
Formula: C28H38Cl2N10O5
RM-C121710
665.57
1-(4-chlorophenyl)-5-[6-[[4-[(4-chlorophenyl)amino]- 6-[(1S,2R,3R,4R)-1,2,3,4,5-pentahydroxypentyl]-1,3,5- triazin-2-yl]amino]hexyl]biguanide

CHLORHEXIDINE EP IMPURITY A
CAS:152504-08-0
Formula: C16H24ClN9
RM-C121701
377.88
1-(4-chlorophenyl)-5-[6-[(cyanocarbamimidoyl)amino]- hexyl]biguanide

Chlorhexidine EP Impurity B
CAS:1308292-89-8
Formula: C16H26ClN9O
RM-C121702
395.89
1-[[6-[[[(4-chlorophenyl)carbamimidoyl]carbamimidoyl]- amino]hexyl]carbamimidoyl]urea

Chlorhexidine EP Impurity E
CAS:45964-97-4
Formula: C7H8ClN3
RM-C121705
169.61
1-(4-chlorophenyl)guanidine

CHLORHEXIDINE EP IMPURITY G
CAS:152504-09-1
Formula: C14H23ClN6
RM-C121707
310.83
1-(6-Aminohexyl)-5-(4-chlorophenyl)biguanide

Chlorhexidine EP Impurity H
CAS:N/A
Formula: C30H47Cl2N15
RM-C121708
688.7
1,1'-[iminobis(carbonimidoyliminlhexane-6,1-diyl)]bis[5-(4-chlorophenyl)biguanide]

CHLORHEXIDINE EP IMPURITY K
CAS:1381962-77-1
Formula: C22H29Cl2N9O
RM-C121711
506.43
N-(4-Chlorophenyl)-14-[(4-chlorophenyl)amino]-3,12,14-triimino-2,4,11,13-tetraazatetradecanamide

CHLORHEXIDINE EP IMPURITY M
CAS:N/A
Formula: C22H31ClN10
RM-C121713
471
5-(4-chlorophenyl)-5'-phenyl-1,1'-(hexane-1,6-diyl)-dibiguanide

CHLORHEXIDINE EP IMPURITY N
CAS:152504-10-4
Formula: C15H25ClN8
RM-C121714
352.87
1-[6-(carbamimidoylamino)hexyl]-5-(4-chlorophenyl)-biguanide

Chlorhexidine EP Impurity O
CAS:2508008-02-2
Formula: C22H30Cl2N10
RM-C121715
505.45
N1-(2-Chlorophenyl)-N14-(4-chlorophenyl)-3,12-diimino-2,4,11,13-tetraazatetradecanediimidamide

CHLOROACETYL CHLORIDE
CAS:79-04-9
Formula: C2H2Cl2O
RM-C180100
112.94
2-chloroacetyl chloride

CHLORPHENAMINE EP IMPURITY A
CAS:1246816-57-8
Formula: C16H24ClN3
RM-C180801
293.83
2-(4-Chlorophenyl)-4-(dimethylamino)-2-(2-(dimethylamino)ethyl)butanenitrile

CHLORPHENAMINE EP IMPURITY C
CAS:20619-12-9
Formula: C15H17ClN2
RM-C180803
260.76
3-(4-Chlorophenyl)-N-methyl-3-(pyridin-2-yl)propan-1-amine

CHLORPHENAMINE EP IMPURITY D
CAS:65676-21-3
Formula: C17H18ClN3
RM-C180804
299.8
2-(4-Chlorophenyl)-4-(dimethylamino)-2-(pyridin-2-yl)butanenitrile

CHLORPHENAMINE IMPURITY 11
CAS:N/A
Formula: C20H28ClN3
RM-C180811
345.91
3-(4-chlorophenyl)-N1,N1,N5,N5-tetramethyl-3-(pyridin-2-yl)pentane-1,5-diamine

CHLORPHENAMINE IMPURITY 14
CAS:N/A
Formula: C16H19ClN2
RM-C180814
274.79
3-(4-chlorophenyl)-N,N-dimethyl-3-(pyridin-4-yl)propan-1-amine

CHLORPHENAMINE IMPURITY 15
CAS:N/A
Formula: C16H19ClN2
RM-C180815
274.79
3-(4-chlorophenyl)-N,N-dimethyl-3-(pyridin-3-yl)propan-1-amine

CHLORPHENAMINE IMPURITY 16
CAS:N/A
Formula: C16H18Cl2N2
RM-C180816
309.23
3-(4-chlorophenyl)-3-(6-chloropyridin-2-yl)-N,N-dimethylpropan-1-amine

Chlorphenamine Impurity 22
CAS:N/A
Formula: C16H16ClN3
RM-C180822
285.78
2-(4-chlorophenyl)-4-(methylamino)-2-(pyridin-2-yl)butanenitrile

Chlorphenamine Impurity 35
CAS:100542-64-1
Formula: C14H12ClN
RM-C180835
229.71
2-(1-(4-chlorophenyl)prop-1-en-1-yl)pyridine

Chlorphenamine Impurity 41
CAS:73486-85-8
Formula: C14H14ClNO
RM-C180841
247.72
3-(4-chlorophenyl)-3-(pyridin-2-yl)propan-1-ol

Chlorphenamine Impurity 42
CAS:5005-37-8
Formula: C13H9ClN2
RG-C081514
228.68
2-(4-Chlorophenyl)-2-(pyridin-2-yl)acetonitrile

Chlorphenamine Impurity 49
CAS:N/A
Formula: C16H18Cl2N2
RM-C180849
309.23
3-(4-chlorophenyl)-3-(5-chloropyridin-2-yl)-N,N-dimethylpropan-1-amine

Chlorphenamine Impurity 50
CAS:N/A
Formula: C16H18Cl2N2
RM-C180850
309.23
3-(4-chlorophenyl)-3-(4-chloropyridin-2-yl)-N,N-dimethylpropan-1-amine

Chlorphenamine Impurity 51
CAS:N/A
Formula: C16H18Cl2N2
RM-C180851
309.23
3-(4-chlorophenyl)-3-(3-chloropyridin-2-yl)-N,N-dimethylpropan-1-amine

Chlorphenamine Impurity 52
CAS:N/A
Formula: C16H18Cl2N2
RM-C180852
309.23
3-(4-chlorophenyl)-3-(5-chloropyridin-3-yl)-N,N-dimethylpropan-1-amine

Chlorphenamine Impurity 53
CAS:N/A
Formula: C19H26ClN3
RM-C180853
331.89
3-(4-chlorophenyl)-N1,N1,N5-trimethyl-3-(pyridin-2-yl)pentane-1,5-diamine

Chlorphenamine Impurity 61
CAS:83766-88-5
Formula: C9H13NO
RM-C180861
151.21
2-(tert-Butoxy)pyridine

CHLORPHENIRAMINE IMPURITY 31
CAS:20619-13-0
Formula: C14H15ClN2
RM-C081231
246.74
3-(4-Chlorophenyl)-3-(pyridin-2-yl)propan-1-amine

CHLORPHENIRAMINE IMPURITY 33
CAS:78180-89-9
Formula: C16H19ClN2O
RM-C081233
290.79
2-(1-(4-chlorophenyl)-3-(dimethylamino)propyl)pyridine 1-oxide

Chlorpheniramine Impurity 44
CAS:N/A
Formula: C16H19ClN2O
RM-C081244
290.79
(S)-3-(4-chlorophenyl)-N,N-dimethyl-3-(pyridin-2-yl)propan-1-amine oxide

CHLORPROMAZINE EP IMPURITY B
CAS:19077-20-4
Formula: C21H28ClN3S
RM-C081202
389.99
N1-(3-(2-Chloro-10H-phenothiazin-10-yl)propyl)-N1,N3,N3-trimethylpropane-1,3-diamine

CHLORPROMAZINE EP IMPURITY D
CAS:3953-65-9(HCl salt)
Formula: C16H17ClN2S
RM-C081229
304.84
3-(2-chloro-10H-phenothiazin-10-yl)-N-methylpropan-1-amine

CHLORPROMAZINE EP IMPURITY E
CAS:92-39-7
Formula: C12H8ClNS
RM-C250102
233.72
2-chloro-10H-phenothiazine

CHLORPROMAZINE EP IMPURITY F
CAS:13094-24-1
Formula: C17H19ClN2S
RM-C081209
318.86
3-(4-Chloro-10H-phenothiazin-10-yl)-N,N-dimethylpropan-1-amine

Chlorpromazine Impurity 11
CAS:10404-90-7
Formula: C17H19ClN2O2S
RM-C081211
350.86
3-(2-chloro-5-oxido-10H-phenothiazin-10-yl)-N,N-dimethylpropan-1-amine oxide

CHLORPROMAZINE IMPURITY 7
CAS:13278-36-9
Formula: C13H10ClNO2
RM-C081207
247.68
2-((3-chlorophenyl)amino)benzoic acid

CHLORPROMAZINE N-OXIDE
CAS:1672-76-0
Formula: C17H19ClN2OS
RM-C081210
334.86
3-(2-chloro-10H-phenothiazin-10-yl)-N,N-dimethylpropan-1-amine oxide

CHLORPROTHIXENE EP IMPURITY F
CAS:4546-35-4
Formula: C18H18ClNS
RM-C082006
315.86
(E)-3-(2-Chloro-9H-thioxanthen-9-ylidene)-N,N-dimethylpropan-1-amine

Chlortetracycline EP Impurity A
CAS:14297-93-9
Formula: C22H23ClN2O8
RM-C182201
478.88
(4R,4aS,5aS,6S,12aS)-7-Chloro-4-(dimethylamino)-3,6,10,12,12a-pentahydroxy-6-methyl-1,11-dioxo-1,4,4a,5,5a,6,11,12a-octahydrotetracene-2-carboxamide

CHOLECALCIFEROL BUTYRATE
CAS:31316-20-8
Formula: C31H50O2
RM-C121206
454.73
(S,Z)-3-((E)-2-((1R,3aS,7aR)-7a-methyl-1-((R)-6-methylheptan-2-yl)hexahydro-1H-inden-4(2H)-ylidene)ethylidene)-4-methylenecyclohexyl butyrate

CHOLECALCIFEROL EP IMPURITY A
CAS:22350-41-0
Formula: C27H44O
RM-C121201
384.64
(S,E)-3-((E)-2-((1R,3aS,7aR)-7a-methyl-1-((R)-6-methylheptan-2-yl)hexahydro-1H-inden-4(2H)-ylidene)ethylidene)-4-methylenecyclohexanol

CHOLECALCIFEROL EP IMPURITY C
CAS:5226-01-7
Formula: C27H44O
RM-C121203
384.64
(3S,9R,10S,13R,14R,17R)-10,13-dimethyl-17-((R)-6-methylheptan-2-yl)-2,3,4,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol

Cholecalciferol EP Impurity D
CAS:22350-43-2
Formula: C27H44O
RM-C121204
384.64
(S)-4-methyl-3-((E)-2-((1R,7aR)-7a-methyl-1-((R)-6-methylheptan-2-yl)-2,3,5,6,7,7a-hexahydro-1H-inden-4-yl)vinyl)cyclohex-3-enol

Cholecalciferol EP Impurity E
CAS:17592-07-3
Formula: C27H44O
RM-C121205
384.64
(S)-4-methyl-3-((E)-2-((1R,3aR,7aR)-7a-methyl-1-((R)-6-methylheptan-2-yl)-2,3,3a,6,7,7a-hexahydro-1H-inden-4-yl)vinyl)cyclohex-3-enol

CHOLESTEROL EP IMPURITY A
CAS:80-99-9
Formula: C27H46O
RM-H041811
386.65
(3S,5S,9R,10S,13R,14R,17R)-10,13-dimethyl-17-((R)-6-methylheptan-2-yl)-2,3,4,5,6,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol

CHOLESTEROL IMPURITY 15
CAS:15073-00-4
Formula: C28H48O
RM-H041815
400.68
(3S,4S,8S,9S,10R,13R,14S,17R)-4,10,13-trimethyl-17-((R)-6-methylheptan-2-yl)-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-ol

Cholesterol Impurity 48
CAS:87701-37-9
Formula: C27H44O
RM-H041848
384.65
(8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-((R)-6-methylheptan-2-yl)-2,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol

CHOLIC ACID IMPURITY 10
CAS:15073-99-1
Formula: C26H44O5
RM-C080310
436.63
ethyl (R)-4-((3R,5R,7R,8R,9S,10S,12S,13R,14S,17R)-3,7,12-trihydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate

Cholic Acid Impurity 16
CAS:47676-48-2
Formula: C26H44O5
RM-C080316
436.63
ethyl (R)-4-((3R,5S,7R,8R,9S,10S,12S,13R,14S,17R)-3,7,12-trihydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoate

Cholic Acid Impurity 17
CAS:84848-09-9
Formula: C24H40O4
RM-U190433
392.57
(R)-4-((3S,5R,8R,9S,10S,12R,13R,14S,17R)-3,12-dihydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid

CHOLIC ACID IMPURITY 6
CAS:15173-22-5
Formula: C24H40O3
RM-C080306
376.58
(R)-4-((5S,8R,9S,10S,12S,13R,14S,17R)-12-hydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic acid

CILNIDIPINE IMPURITY 7
CAS:123853-41-8
Formula: C24H22N2O6
RM-C122807
434.44
(E)-5-((cinnamyloxy)carbonyl)-2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3-carboxylic acid

CILNIDIPINE IMPURITY 9
CAS:68077-28-1
Formula: C12H18O6
RM-C122809
258.27
(E)-triethyl prop-1-ene-1,2,3-tricarboxylate

CILNIDIPINE IMPURITY A
CAS:146845-34-3
Formula: C27H26N2O7
RM-C122801
490.5
3-cinnamyl 5-(2-methoxyethyl) 2,6-dimethyl-4-(3-nitrophenyl)pyridine-3,5-dicarboxylate

CILOSTAZOL IMPURITY 15
CAS:1796891-27-4
Formula: C29H34N6O4
RM-C121515
530.62
6,6'-((1-(1-cyclohexyl-1H-tetrazol-5-yl)butane-1,4-diyl)bis(oxy))bis(3,4-dihydroquinolin-2(1H)-one)

Cilostazol USP Related Compound A
CAS:54197-66-9
Formula: C9H9NO2
RM-C121504
163.17
6-hydroxy-3,4-dihydroquinolin-2(1H)-one

CIMETIDINE EP IMPURITY A
CAS:52378-40-2
Formula: C10H15N5S2
RM-C132004
269.39
methyl N'-cyano-N-(2-(((5-methyl-1H-imidazol-4-yl)methyl)thio)ethyl)carbamimidothioate

CIMETIDINE EP IMPURITY B
CAS:138035-55-9
Formula: C10H15N5OS
RM-C132009
253.32
methyl N'-cyano-N-(2-(((5-methyl-1H-imidazol-4-yl)methyl)thio)ethyl)carbamimidate

CIMETIDINE EP IMPURITY C
CAS:52568-80-6
Formula: C10H20Cl2N6OS
RM-C132001
343.28
1-(((2-(((5-methyl-1H-imidazol-4-yl)methyl)thio)ethyl)amino)(methylamino)methylene)urea dihydrochloride

CIMETIDINE EP IMPURITY D
CAS:59660-24-1
Formula: C9H19Cl2N5S
RM-C132007
300.25
1-methyl-3-(2-(((5-methyl-1H-imidazol-4-yl)methyl)thio)ethyl)guanidine dihydrochloride

CIMETIDINE EP IMPURITY E
CAS:54237-72-8
Formula: C10H16N6OS
RM-C132002
268.34
2-Cyano-1-methyl-3-[2-[[(5-methyl-1H-imidazol-4-yl)methyl]sulfinyl]-ethyl]guanidine

CIMETIDINE EP IMPURITY F
CAS:55272-86-1
Formula: C16H24N8S2
RM-C132006
392.55
2-cyano-1,3-bis(2-(((5-methyl-1H-imidazol-4-yl)methyl)thio)ethyl)guanidine

CIMETIDINE EP IMPURITY G
CAS:31857-31-5
Formula: C4H8N4
RM-C132011
112.14
2-Cyano-1,3-dimethylguanidine

CIMETIDINE EP IMPURITY H
CAS:74886-59-2
Formula: C10H18N8S2
RM-C132003
314.43
1,1'-(disulfanediylbis(ethane-2,1-diyl))bis(2'-cyano-3-methylguanidine)

CIMETIDINE EP IMPURITY I
CAS:29636-87-1
Formula: C5H8N2O
RM-C132015
112.13
(5-methyl-1H-imidazol-4-yl)methanol

CIMETIDINE EP IMPURITY J
CAS:38585-67-0
Formula: C7H13N3S
RM-C132013
171.26
2-(((5-methyl-1H-imidazol-4-yl)methyl)thio)ethan-1-amine

Cinacalcet Impurity 133
CAS:1860814-97-6
Formula: C13H15NO2S
RM-C030433
249.33
(R)-N-(1-(naphthalen-1-yl)ethyl)methanesulfonamide

CINACALCET IMPURITY 27
CAS:21172-43-0
Formula: C11H13F3O3S
RM-C030327
282.28
3-(3-(trifluoromethyl)phenyl)propyl methanesulfonate

CINACALCET IMPURITY 38
CAS:104774-87-0
Formula: C10H12F3N
RM-C030338
203.2
3-(3-(trifluoromethyl)phenyl)propan-1-amine

CINACALCET IMPURITY 74
CAS:N/A
Formula: C22H20F3N.HCl
RM-C030374
(R,E)-N-(1-(naphthalen-1-yl)ethyl)-3-(3-(trifluoromethyl)phenyl)prop-2-en-1-amine HCl

CINACALCET IMPURITY 79
CAS:2074615-22-6
Formula: C22H22F3N
RM-C030379
357.41
(R)-N-(1-(Naphthalen-2-yl)ethyl)-3-(3-(trifluoromethyl)phenyl)propan-1-amine

CINACALCET IMPURITY E
CAS:253337-60-9
Formula: C22H25N
RM-C030306
303.44
(R)-N-(1-(naphthalen-1-yl)ethyl)-3-(m-tolyl)propan-1-amine

Cinacalcet Impurity H(Cinacalcet S-Isomer)
CAS:1217809-88-5
Formula: C22H22F3N*HCl
RM-C030311
(S)-N-(1-(Naphthalen-1-yl)ethyl)-3-(3-(trifluoromethyl)phenyl)propan-1-amine hydrochloride

CINACALCET IMPURITY J
CAS:78573-45-2
Formula: C10H11F3O
RM-C030310
204.19
3-[3-(Trifluoromethyl)phenyl]propan-1-ol

CINACALCET N-OXIDE
CAS:1229224-94-5
Formula: C22H22F3NO
RM-C030308
373.41
(R)-N-(1-(naphthalen-1-yl)ethyl)-N-(3-(3-(trifluoromethyl)phenyl)propyl)hydroxylamine

CINACALCET USP RC B
CAS:1271930-15-4
Formula: C32H31F6N
RM-C030328
543.59
(R)-N-(1-(naphthalen-1-yl)ethyl)-3-(3-(trifluoromethyl)phenyl)-N-(3-(3-(trifluoromethyl)phenyl)propyl)propan-1-amine

CINACALCET USP RC C
CAS:1428118-39-1
Formula: C22H22F3N HCl
RM-C030329
(R)-N-(1-(naphthalen-1-yl)ethyl)-3-(4-(trifluoromethyl)phenyl)propan-1-amine hydrochloride

CINITAPRIDE IMPURITY 1
CAS:86718-18-5
Formula: C9H10N2O5
RM-C231001
226.19
4-amino-2-ethoxy-5-nitrobenzoic acid

CINITAPRIDE IMPURITY 2
CAS:121873-04-9
Formula: C14H20N4O4
RM-C231002
308.34
4-amino-2-ethoxy-5-nitro-N-(piperidin-4-yl)benzamide

Cinnamic Acid Impurity 3
CAS:N/A
Formula: C12H12Br2O2
RG-C091403
348.03
ethyl (E)-3-(4-(dibromomethyl)phenyl)acrylate

CINNARIZINE EP IMPURITY B
CAS:750512-44-8
Formula: C26H28N2
RM-C141802
368.51
(Z)-1-(diphenylmethyl)-4-(3-phenylprop-2-enyl)piperazine

CINNARIZINE EP IMPURITY C
CAS:N/A
Formula: C35H37ClN2
RM-C141803
521.13
4-(diphenylmethyl)-1,1-bis[(E)-3-phenylprop-2- enyl]piperazinium chloride

CINNARIZINE EP IMPURITY D
CAS:1415587-79-9
Formula: C35H36N2
RM-C141804
484.67
1-(Diphenylmethyl)-4-[(1RS,3E)-4-phenyl-1-[(E)-2-phenylethenyl]but-3-enyl]piperazine

CINNARIZINE EP IMPURITY E
CAS:216581-01-0
Formula: C30H30N2
RM-C141805
418.57
1,4-bis-(Diphenylmethyl)piperazine

Cinnarizine Impurity 6
CAS:144759-86-4
Formula: C18H18O
RM-C141806
250.34
((1E,1'E)-oxybis(prop-1-ene-3,1-diyl))dibenzene