| | | Cefotaxime EP Impurity E; Ceftriaxone EP Impurity B
CAS:66340-33-8
Formula: C14H13N5O5S2
395.41
RM-C202405
(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 IMPURITY 47
Formula: C28H26N10O10S4
790.82
RM-C202472
(E)-2-(2-aminothiazol-4-yl)-N-((R)-2-((E)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-2-((R)-7-oxo-1,2,5,7-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl)acetyl)-N-((5aR,6R)-1,7-dioxo-1,4,5a,6-tetrahydro-3H,7H-azeto[2,1-b]furo[3,4-d][1,3 CEFOTETAN LACTONE
Formula: C15H13N3O8S3
459.46
RM-C061511
3-amino-2-(4-(((5aR,6S)-6-methoxy-1,7-dioxo-1,4,5a,6-tetrahydro-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)carbamoyl)-1,3-dithietan-2-ylidene)-3-oxopropanoic acid Cefotiam Impurity A
Formula: C13H12N4O4S2
352.39
RM-C061301
2-(2-aminothiazol-4-yl)-N-((5aS,6S)-1,7-dioxo-1,3,4,5a,6,7-hexahydroazeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)acetamide CEFOTIAM IMPURITY B
CAS:1566599-01-6
Formula: C13H12N4O4S2
352.39
RM-C061302
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 Sodium EP Impurity C
CAS:10590-10-0
Formula: C14H12N2O4S2
336.39
RM-C242003
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 J
CAS:1422023-33-3
Formula: C15H14N2O5S2
366.41
RM-C242004
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 CEFTAROLINE FOSAMIL IMPURITY 11
CAS:1286218-68-5
Formula: C44H40N16O15P2S8
1351.33
RM-C061921
(6R,6'R,7R,7'R)-7,7'-(((2Z,2'Z)-2,2'-(((1,3-dihydroxy-1,3-dioxo-1l5,3l5-diphosphoxane-1,3-diyl)bis(azanediyl))bis(1,2,4-thiadiazole-5,3-diyl))bis(2-(ethoxyimino)acetyl))bis(azanediyl))bis(3-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio) CEFTAROLINE FOSAMIL IMPURITY 12
CAS:1277090-04-6
Formula: C28H35N12O10PS4
858.88
RM-C061922
(R)-2-((6S,9R,Z)-1-amino-6-carboxy-1-imino-8,11-dioxo-12-(5-(phosphonoamino)-1,2,4-thiadiazol-3-yl)-14-oxa-2,7,10,13-tetraazahexadec-12-en-9-yl)-5-((4-(1-methylpyridin-1-ium-4-yl)thiazol-2-yl)thio)-3,6-dihydro-2H-1,3-thiazine-4-carboxylate CEFTAZIDIME IMPURITY 17
CAS:1301254-50-1
Formula: C17H17N5O7S2
467.48
RM-C062117
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 27
Formula: C13H11N5O5S2
381.39
RM-C062127
(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-(hydroxyimino)acetamide Ceftazidime Impurity 88
Formula: C61H59N17O20S6
1542.6
RM-C062188
(12Z,41R,48R,82Z,111R,114Z,118R,152Z,7Z,14Z,21Z)-18-(4-carboxylato-5-(pyridin-1-ium-1-ylmethyl)-3,6-dihydro-2H-1,3-thiazin-2-yl)-7,14,21-tris(((2-carboxypropan-2-yl)oxy)imino)-47,117,3,6,13,17,20-heptaoxo-44-(pyridin-1-ium-1-ylmethyl)-42,11 Ceftobiprole Impurity 2
Formula: C12H10N6O6S2
398.37
RM-C753002
(Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-N-((5aR,6R)-3-hydroxy-1,7-dioxo-1,4,5a,6-tetrahydro-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazin-6-yl)-2-(hydroxyimino)acetamide Ceftobiprole Impurity 28
Formula: C38H34N14O16S4
1071.01
RM-C753028
(6R,7R)-7-((Z)-2-(5-(((5aR,6R)-6-((Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(hydroxyimino)acetamido)-1,7-dioxo-1,4,5a,6-tetrahydro-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazin-3-yl)amino)-1,2,4-thiadiazol-3-yl)-2-(hydroxyimino)acetamido)-3-((E)- Ceftobiprole Impurity 3
Formula: C12H10N6O5S2
382.37
RM-C753003
(Z)-2-(5-amino-1,2,4-thiadiazol-3-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-(hydroxyimino)acetamide Ceftobiprole Impurity 54
Formula: C38H34N14O16S4
1071.01
RM-C753054
(6R,7R)-7-((Z)-2-(5-(((5aR,6R)-6-((Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(hydroxyimino)acetamido)-1,7-dioxo-1,4,5a,6-tetrahydro-3H,7H-azeto[2,1-b]furo[3,4-d][1,3]thiazin-3-yl)amino)-1,2,4-thiadiazol-3-yl)-2-(hydroxyimino)acetamido)-3-((E)- Ceftobiprole Impurity 58
Formula: C51H46N14O17S4
1255.25
RM-C753058
(6R,7R)-7-((Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(((2R)-2-((Z)-2-(5-amino-1,2,4-thiadiazol-3-yl)-2-(hydroxyimino)acetamido)-2-((2R)-5-(benzhydryloxy)-7-oxo-1,2,5,7-tetrahydro-4H-furo[3,4-d][1,3]thiazin-2-yl)acetoxy)imino)acetamido)-3-((E) Ceftriaxone Impurity 60
Formula: C32H29N13O11S5
931.96
RM-C062460
(6R,7R)-7-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-N-(4-((Z)-2-(((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)amino)-1-(methoxyimino)-2-oxoethyl)thiazol-2-yl)-3-(((2-methyl-5,6-dioxo-1 Ceftriaxone Sodium Impurity 2
Formula: C18H18N8O7S3
554.57
RM-C062461
(1R,2S,2'S,6'R,7'R)-7'-((Z)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-9-methyl-7,8,8'-trioxo-4,5'-dithia-1,1',6,9-tetraazaspiro[bicyclo[3.3.1]nonane-2,3'-bicyclo[4.2.0]octan]-5-ene-2'-carboxylic acid Ceftriaxone Sodium Impurity 3
CAS:1637561-91-1
Formula: C18H18N8O7S3
554.57
RM-C062462
(2S,2'S,6'R,7'R)-7'-((E)-2-(2-aminothiazol-4-yl)-2-(methoxyimino)acetamido)-9-methyl-7,8,8'-trioxo-4,5'-dithia-1,1',6,9-tetraazaspiro[bicyclo[3.3.1]nonane-2,3'-bicyclo[4.2.0]octan]-5-ene-2'-carboxylic acid CEFUROXIME AXETIL DIMER
CAS:1202925-10-7
Formula: C36H38N8O17S2
918.86
RM-C061848
5-Thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic acid, 3-[[(aminocarbonyl)oxy]methyl]-7-[[(2Z)-2-(2-furanyl)-2-(methoxyimino)acetyl]amino]-8-oxo-, 2,2'- (oxydiethylidene) ester, (6R,6'R,7R,7'R)-; (6R,6'R,7R,7'R,Z)-oxybis(ethane-1,1-diyl) bi Cefuroxime Axetil EP Impurity E; Cefuroxime Sodium EP Impurity H
CAS:947723-87-7
Formula: C15H13N3O6S
363.35
RM-C061835
(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 161
Formula: C30H26N6O12S2
726.69
RM-C063961
N-[(8R,9R,19R,20R)-19-{[(Z)-(2-Furyl)(methoxyimino)methyl]carbonylamino}-4,7,15,18-tetraoxo-3,14-dioxa-10,21-dithia-6,17-diazapentacyclo[14.6.0.05,12.06,9.017,20]docosa-1(16),5(12)-dien-8-yl](Z)-(2-furyl)(methoxyimino)acetamide Cefuroxime Impurity 116
Formula: C16H12N4O9S
436.35
RM-C063916
((3R,16S,Z)-6-(furan-2-yl)-2,5,9,11-tetraoxo-8,10-dioxa-15-thia-1,4,7-triazatricyclo[10.4.0.03,16]hexadeca-6,12-dien-13-yl)methyl carbamate Cefuroxime Sodium Impurity 69
Formula: C15H13N3O6S
363.35
RM-C061869
(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 CEPHAELINE
CAS:483-17-0
Formula: C28H38N2O4
466.62
RM-C231500
(R)-1-(((2S,3R,11bS)-3-ethyl-9,10-dimethoxy-1,3,4,6,7,11b-hexahydro-2H-pyrido[2,1-a]isoquinolin-2-yl)methyl)-7-methoxy-1,2,3,4-tetrahydroisoquinolin-6-ol Cephalosporin Impurity 15
Formula: C18H18N4O7S2
466.48
RM-C051615
((6R,7R)-7-amino-2-(((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)carbamoyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-en-3-yl)methyl acetate CEPHALOTAXINE
CAS:24316-19-6
Formula: C18H21NO4
315.37
RM-C350000
(1S,3aR,14bS)-2-methoxy-1,5,6,8,9,14b-hexahydro-4H-[1,3]dioxolo[4',5':4,5]benzo[1,2-d]cyclopenta[b]pyrrolo[1,2-a]azepin-1-ol Cephalotaxine Impurity 1; 5'-Des-O-Methylhomoharringtonine
CAS:98599-84-9
Formula: C28H37NO9
531.6
RM-C350001
(R)-3,7-dihydroxy-3-((((1S,3aR,14bS)-2-methoxy-1,5,6,8,9,14b-hexahydro-4H-[1,3]dioxolo[4',5':4,5]benzo[1,2-d]cyclopenta[b]pyrrolo[1,2-a]azepin-1-yl)oxy)carbonyl)-7-methyloctanoic acid Cephalotaxine Impurity 2; Dehydrodeoxyhomoharringtonine
CAS:76729-52-7
Formula: C29H37NO8
527.61
RM-C350002
1-((1S,3aR,14bS)-2-methoxy-1,5,6,8,9,14b-hexahydro-4H-[1,3]dioxolo[4',5':4,5]benzo[1,2-d]cyclopenta[b]pyrrolo[1,2-a]azepin-1-yl) 4-methyl (R)-2-hydroxy-2-(4-methylpent-3-en-1-yl)succinate Cephalotaxine Impurity 3; Homoharringtonine +¦-N-Oxide
CAS:197569-56-5
Formula: C29H39NO10
561.63
RM-C350003
(1S,3aR,7R,14bS)-1-(((R)-2,6-dihydroxy-2-(2-methoxy-2-oxoethyl)-6-methylheptanoyl)oxy)-2-methoxy-1,5,6,8,9,14b-hexahydro-[1,3]dioxolo[4',5':4,5]benzo[1,2-d]cyclopenta[b]pyrrolo[1,2-a]azepine 7(4H)-oxide |
