Quality Control Solutions Ltd (Page 9) @ ChemBuyersGuide.com, Inc.

Vonoprazan Impurity J
CAS:928324-80-5
Formula: C16H10ClFN2O3S
RM-V141610
364.78
2-chloro-5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrole-3-carbaldehyde

Vonoprazan Impurity N
CAS:1807642-39-2
Formula: C16H10FN3O2S
RM-V141614
327.33
5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrole-3-carbonitrile

Vonoprazan Impurity O
CAS:1807642-41-6
Formula: C16H14FN3O2S
RM-V141615
331.36
(5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl)methanamine

VONOPRAZAN IMPURITY Q
CAS:1610043-62-3
Formula: C12H13FN2
RM-V141617
204.24
1-(5-(2-Fluorophenyl)-1H-pyrrol-3-yl)-N-methylmethanamine

Vonoprazan Impurity R
CAS:2169271-28-5
Formula: C16H13FN2O3S
RM-V141618
332.35
(5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl)methanol

Vonoprazan Impurity S
CAS:2250243-23-1
Formula: C33H27F2N5O4S2
RM-V141619
659.73
1-(5-(2-Fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl)-N-((5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl)methyl)-N-methylmethanamine

VONOPRAZAN IMPURITY T
CAS:2416241-96-6
Formula: C17H20FN3O3S
RM-V141620
365.42
5-((2-(2-fluorophenyl)-4-((methylamino)methyl)-1H-pyrrol-1-yl)sulfonyl)-1,2,3,4-tetrahydropyridin-2-ol

Vonoprazan Impurity U
CAS:2416241-97-7
Formula: C17H20FN3O2S
RM-V141621
349.42
1-(5-(2-fluorophenyl)-1-((1,4,5,6-tetrahydropyridin-3-yl)sulfonyl)-1H-pyrrol-3-yl)-N-methylmethanamine

VONOPRAZAN IMPURITY V
CAS:2416241-95-5
Formula: C17H18FN3O2S
RM-V141622
347.41
1-(1-((1,6-dihydropyridin-3-yl)sulfonyl)-5-(2-fluorophenyl)-1H-pyrrol-3-yl)-N-methylmethanamine

Vonoprazan Impurity W
CAS:2170020-79-6
Formula: C21H20FN3O6S
RM-V141623
461.46
2-(((5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl)methyl)(methyl)amino)succinic acid

VONOPRAZAN IMPURITY X
CAS:881732-90-7
Formula: C17H17N3O2S
RM-V141624
327.4
N-methyl-1-(5-phenyl-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl)methanamine

Vonoprazan Impurity Y
CAS:1885094-62-1
Formula: C18H18FN3O2S
RM-V141625
359.42
1-(5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl)-N,N-dimethylmethanamine

VONOPRAZAN IMPURITY Z
CAS:56448-22-7
Formula: C11H9NO
RM-V141626
171.2
5-phenyl-1H-pyrrole-3-carbaldehyde

VORICONAZOLE
CAS:137234-62-9
Formula: C16H14F3N5O
RM-V180308
349.31
(2R,3S)-2-(2,4-difluorophenyl)-3-(5-fluoropyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol

VORICONAZOLE EP IMPURITY C
CAS:137234-88-9
Formula: C6H7FN2
RM-V180303
126.13
4-Ethyl-5-fluoropyrimidine

Voriconazole EP Impurity D; Voriconazole Enantiomer; Voriconazole USP Related Compound B
CAS:137234-63-0
Formula: C16H14F3N5O
RM-V180310
349.31
(2S,3R)-2-(2,4-Difluorophenyl)-3-(5-fluoropyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol

Voriconazole Impurity 10
CAS:N/A
Formula: C5H12O4S
RM-V180336
168.21
methyl 4-hydroxybutane-1-sulfonate

VORICONAZOLE IMPURITY 11
CAS:N/A
Formula: C6H14O4S
RM-V180337
182.24
ethyl 4-hydroxybutane-1-sulfonate

VORICONAZOLE IMPURITY 12
CAS:N/A
Formula: C7H16O4S
RM-V180338
196.26
isopropyl 4-hydroxybutane-1-sulfonate

VORICONAZOLE IMPURITY 13
CAS:N/A
Formula: C14H30O7S2
RM-V180339
374.51
diisopropyl 4,4'-oxybis(butane-1-sulfonate)

VORICONAZOLE IMPURITY 14
CAS:N/A
Formula: C12H26O7S2
RM-V180340
346.46
diethyl 4,4'-oxybis(butane-1-sulfonate)

VORICONAZOLE IMPURITY 15
CAS:N/A
Formula: C10H22O7S2
RM-V180341
318.41
dimethyl 4,4'-oxybis(butane-1-sulfonate)

VORICONAZOLE IMPURITY 17
CAS:N/A
Formula: C16H14F3N5O
RM-V180343
349.31
(2R,3R)-2-(2,4-difluorophenyl)-3-(5-fluoropyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol/(2S,3S)-2-(2,4-difluorophenyl)-3-(5-fluoropyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol

VORICONAZOLE IMPURITY 18
CAS:N/A
Formula: C16H14F3N5O2
RM-V180344
365.31
6-((2S,3R)-3-(2,4-difluorophenyl)-3-hydroxy-4-(1H-1,2,4-triazol-1-yl)butan-2-yl)-5-fluoropyrimidine 1-oxide

VORICONAZOLE IMPURITY 24
CAS:898044-55-8
Formula: C5H4CLFN2
RM-V180350
146.55
4-chloro-5-fluoro-6-methylpyrimidine

VORICONAZOLE IMPURITY 25
CAS:141602-25-7
Formula: C6H7ClN2
RM-V180351
142.59
4-chloro-6-ethylpyrimidine

VORICONAZOLE IMPURITY 26
CAS:115617-41-9
Formula: C6H6Cl2N2
RM-V180352
177.03
4,5-dichloro-6-ethylpyrimidine

Voriconazole Impurity 28
CAS:1307315-02-1
Formula: C6H5Br2FN2
RM-V180354
283.92
4-bromo-6-(1-bromoethyl)-5-fluoropyrimidine

Voriconazole Impurity 29
CAS:908352-44-3
Formula: C6H4Br2ClFN2
RM-V180355
318.37
4-chloro-6-(1,1-dibromoethyl)-5-fluoropyrimidine

Voriconazole Impurity 33
CAS:1289559-76-7
Formula: C6H6ClFN2O
RM-V180359
176.58
1-(6-chloro-5-fluoropyrimidin-4-yl)ethanol

Voriconazole Impurity 34
CAS:1403893-61-7
Formula: C6H4CLFN2
RM-V180360
158.56
4-chloro-5-fluoro-6-vinylpyriMidine

Voriconazole Impurity 36
CAS:321588-93-6
Formula: C12H10Cl2F2N4
RM-V180362
319.14
6,6'-(butane-2,3-diyl)bis(4-chloro-5-fluoropyrimidine)

Voriconazole Impurity 44
CAS:79-03-8
Formula: C3H5ClO
RM-V180370
92.52
Propionyl Chloride

VORICONAZOLE IMPURITY 5
CAS:137234-76-5
Formula: C16H13ClF3N5O
RM-V180331
383.76
(2S,3S)-3-(6-chloro-5-fluoropyrimidin-4-yl)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol/(2R,3R)-3-(6-chloro-5-fluoropyrimidin-4-yl)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol

VORICONAZOLE IMPURITY 54
CAS:1359667-92-7
Formula: C6H5Cl2FN2
RM-V180380
195.02
4-chloro-6-(1-chloroethyl)-5-fluoropyrimidine

VORICONAZOLE IMPURITY 55
CAS:180287-02-9
Formula: C6H9FO3
RM-V180381
148.13
methyl 2-fluoro-3-oxopentanoate

VORICONAZOLE IMPURITY 59
CAS:154534-83-5
Formula: C10H9ClF2N4O
RM-V180385
274.65
4-amino-1-(2-(2,4-difluorophenyl)-2-oxoethyl)-1H-1,2,4-triazol-4-ium chloride

VORICONAZOLE IMPURITY 63
CAS:N/A
Formula: C22H18ClF4N7O
RM-V180389
507.87
(2R,3S)-3-(6-(1-(6-chloro-5-fluoropyrimidin-4-yl)ethyl)-5-fluoropyrimidin-4-yl)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol/(2S,3R)-3-(6-(1-(6-chloro-5-fluoropyrimidin-4-yl)ethyl)-5-fluoropyrimidin-4-yl)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-t

VORICONAZOLE IMPURITY 67
CAS:N/A
Formula: C22H18ClF4N7O
RM-V180393
507.87
(2R,3S)-3-(6-(1-(6-chloro-5-fluoropyrimidin-4-yl)ethyl)-5-fluoropyrimidin-4-yl)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol

VORICONAZOLE IMPURITY 68
CAS:N/A
Formula: C16H14F3N5O2
RM-V180394
365.31
6-((2S,3R)-3-(2,4-difluorophenyl)-3-hydroxy-4-(1H-1,2,4-triazol-1-yl)butan-2-yl)-5-fluoropyrimidin-4-ol/6-((2R,3S)-3-(2,4-difluorophenyl)-3-hydroxy-4-(1H-1,2,4-triazol-1-yl)butan-2-yl)-5-fluoropyrimidin-4-ol

Voriconazole Impurity 72
CAS:1242184-40-2
Formula: C13H22O4S
RM-V180399
274.38
isopropyl ((1R,4S)-7,7-dimethyl-2-oxobicyclo[2.2.1]heptan-1-yl)methanesulfonate

Voriconazole Impurity 82
CAS:1157981-64-0
Formula: C10H7F2N3O
RM-V180410
223.18
1-(2,6-difluorophenyl)-2-(1H-1,2,4-triazol-1-yl)ethan-1-one

VORICONAZOLE IMPURITY 9
CAS:188416-28-6
Formula: C6H5BrClFN2
RM-V180335
239.47
4-(1-bromoethyl)-6-chloro-5-fluoropyrimidine

Voriconazole Impurity N
CAS:51336-94-8
Formula: C8H5ClF2O
RM-V180314
190.57
2-Chloro-1-(2,4-difluorophenyl)ethanone

Voriconazole Impurity O
CAS:137234-87-8
Formula: C6H7FN2O
RM-V180315
142.13
6-ethyl-5-fluoropyrimidin-4(1H)-one

VORICONAZOLE N-OXIDE
CAS:618109-05-0
Formula: C16H14F3N5O2
RM-V180342
365.31
4-((2S,3R)-3-(2,4-difluorophenyl)-3-hydroxy-4-(1H-1,2,4-triazol-1-yl)butan-2-yl)-5-fluoropyrimidine 1-oxide

VORICONAZOLE USP RELATED COMPOUND A
CAS:137330-52-0
Formula: C16H14F3N5O
RM-V180398
349.32
rel-(2R,3R)-2-(2,4-difluorophenyl)-3-(5-fluoropyrimidin-4-yl)-1-(1H-1,2,4-triazol-1-yl)butan-2-ol

VORTIOXETINE
CAS:508233-74-7
Formula: C18H22N2S
RM-O201500
298.45
1-(2-((2,4-DiMethylphenyl)thio)phenyl)piperazine

VORTIOXETINE IMPURITY 10
CAS:2073792-90-0
Formula: C18H24N2OS
RM-O201536
316.46
2-((2-((2-((2,4-dimethylphenyl)thio)phenyl)amino)ethyl)amino)ethanol

VORTIOXETINE IMPURITY 12
CAS:3890-98-0
Formula: C4H10ClNO
RM-O201538
123.58
2-((2-chloroethyl)amino)ethanol

VORTIOXETINE IMPURITY 18
CAS:1293489-77-6
Formula: C18H22N2S
RM-O201544
298.45
1-(2-((2,3-dimethylphenyl)thio)phenyl)piperazine

VORTIOXETINE IMPURITY 19
CAS:1240670-87-4
Formula: C18H21ClN2S
RM-O201545
332.89
1-(2-((5-chloro-2,4-dimethylphenyl)thio)phenyl)piperazine

VORTIOXETINE IMPURITY 22
CAS:2476761-84-7
Formula: C38H44N4OS2
RM-O201548
636.91
1,2-bis(4-(2-((2,4-dimethylphenyl)thio)phenyl)piperazin-1-yl)ethanone

VORTIOXETINE IMPURITY 23
CAS:2135576-73-5
Formula: C19H22N2OS
RM-O201549
326.46
4-(2-((2,4-dimethylphenyl)thio)phenyl)piperazine-1-carbaldehyde

VORTIOXETINE IMPURITY 26
CAS:2137588-68-0
Formula: C18H22N2S
RM-O201552
298.45
1-(3-((2,4-dimethylphenyl)thio)phenyl)piperazine

VORTIOXETINE IMPURITY 27
CAS:1815608-51-5
Formula: C18H22N2S
RM-O201553
298.45
1-(4-((2,4-dimethylphenyl)thio)phenyl)piperazine

VORTIOXETINE IMPURITY 29
CAS:2243045-82-9
Formula: C32H34N2S2
RM-O201555
510.76
1,4-bis(2-((2,4-dimethylphenyl)thio)phenyl)piperazine

VORTIOXETINE IMPURITY 31
CAS:960203-41-2
Formula: C14H13BrS
RM-O201557
293.22
(2-bromophenyl)(2,4-dimethylphenyl)sulfane

VORTIOXETINE IMPURITY 33
CAS:16704-47-5
Formula: C14H14S
RM-O201559
214.33
(2,4-Dimethylphenyl)(phenyl)sulfane

VORTIOXETINE IMPURITY 48
CAS:86632-33-9
Formula: C44H32O2P2
RM-O201573
654.69
[1,1'-Binaphthalene]-2,2'-diylbis(diphenylphosphine oxide)

VORTIOXETINE IMPURITY 49
CAS:N/A
Formula: C22H22S2
RM-O201574
350.54
1,2-bis((2,4-dimethylphenyl)thio)benzene

VORTIOXETINE IMPURITY 54
CAS:N/A
Formula: C28H28N2S2
RM-O201579
456.67
1,2-bis(2-((2,4-dimethylphenyl)thio)phenyl)hydrazine

VORTIOXETINE IMPURITY 56
CAS:19616-28-5
Formula: C16H19N
RM-O201581
225.34
Bis(2,4-dimethylphenyl)amine

VORTIOXETINE IMPURITY 57
CAS:960507-89-5
Formula: C12H11BrN2
RM-O201582
263.14
N1-(2-bromophenyl)benzene-1,2-diamine

VORTIOXETINE IMPURITY 58
CAS:67242-17-5
Formula: C12H9Br2N
RM-O201583
327.02
bis(2-bromophenyl)amine

VORTIOXETINE IMPURITY 59
CAS:N/A
Formula: C16H18N2O
RM-O201584
254.33
N,N-bis(2,4-dimethylphenyl)nitrous amide

VORTIOXETINE IMPURITY 61
CAS:N/A
Formula: C12H8Br2N2O
RM-O201586
356.02
N,N-bis(2-bromophenyl)nitrous amide

VORTIOXETINE IMPURITY 62
CAS:31913-93-6
Formula: C14H13NOS
RM-O201587
243.32
N-methyl-2-(phenylthio)benzamide

VORTIOXETINE IMPURITY A
CAS:1429908-35-9
Formula: C18H22N2OS
RM-O201501
314.45
1-(2-((2,4-Dimethylphenyl)sulfinyl)phenyl)piperazine

VORTIOXETINE IMPURITY B
CAS:13616-83-6
Formula: C16H18S2
RM-O201502
274.44
1,2-Bis(2,4-Dimethylphenyl)disulfane

VORTIOXETINE IMPURITY C
CAS:508233-77-0
Formula: C18H22N2S
RM-O201503
298.45
1-(2-((2,5-dimethylphenyl)thio)phenyl)piperazine

VORTIOXETINE IMPURITY D
CAS:508233-75-8
Formula: C18H22N2S
RM-O201504
298.45
1-(2-((3,5-dimethylphenyl)thio)phenyl)piperazine

VORTIOXETINE IMPURITY E
CAS:508233-76-9
Formula: C18H22N2S
RM-O201505
298.45
1-(2-((2,6-dimethylphenyl)thio)phenyl)piperazine

VORTIOXETINE IMPURITY F
CAS:1293489-74-3
Formula: C18H22N2S
RM-O201506
298.45
1-(2-((3,4-dimethylphenyl)thio)phenyl)piperazine

VORTIOXETINE IMPURITY G
CAS:1293489-71-0
Formula: C17H20N2S
RM-O201507
284.42
1-(2-(o-tolylthio)phenyl)piperazine

VORTIOXETINE IMPURITY H
CAS:1293489-69-6
Formula: C17H20N2S
RM-O201508
284.42
1-(2-(m-tolylthio)phenyl)piperazine

VORTIOXETINE IMPURITY I
CAS:508233-82-7
Formula: C17H20N2S
RM-O201509
284.42
1-(2-(p-tolylthio)phenyl)piperazine

Warfarin Sodium Impurity 22
CAS:N/A
Formula: C19H16O4
RM-W011822
308.33
(R)-4-hydroxy-3-(3-oxo-1-phenylbutyl)-2H-chromen-2-one

Warfarin Sodium Impurity 23 ((S)-Warfarin)
CAS:5543-57-7
Formula: C19H16O4
RM-W011823
308.33
(S)-4-Hydroxy-3-(3-oxo-1-phenylbutyl)-2H-chromen-2-one

Warfarin Sodium Impurity 41
CAS:N/A
Formula: C21H20O4
RM-W011841
336.39
4-ethoxy-3-(3-oxo-1-phenylbutyl)-2H-chromen-2-one

Warfarin Sodium Impurity 44
CAS:66-76-2
Formula: C19H12O6
RM-W011844
336.3
3,3'-methylenebis(4-hydroxy-2H-chromen-2-one)

XYLOMETAZOLINE EP IMPURITY A
CAS:94266-17-8
Formula: C16H26N2O
RM-X121304
262.4
N-(2-aminoethyl)-2-(4-1,1-dimethylethyl-2,6-dimethylphenyl)acetamide

Zidovudine Impurity 31
CAS:N/A
Formula: C48H42N2O5
RM-Z042231
726.87
5-methyl-1-((2R,4S,5R)-4-(trityloxy)-5-((trityloxy)methyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione

Zidovudine Impurity 32
CAS:5964-41-0
Formula: C29H26N2O4
RM-Z042232
466.54
5-methyl-1-((2R,5S)-5-((trityloxy)methyl)-2,5-dihydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione

Zidovudine Impurity 33
CAS:N/A
Formula: C58H55N4O12P
RM-Z042233
1031.07
bis((2R,3S,5R)-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-2-((trityloxy)methyl)tetrahydrofuran-3-yl) hydrogen phosphate

ZIDOVUDINE IMPURITY G
CAS:109904-25-8
Formula: C26H23NS
RM-Z042207
381.53
5-Trityl-4,5,6,7-tetrahydrothieno[3,2-c]pyridine

ZIDOVUDINE IMPURITY H
CAS:109904-26-9
Formula: C26H23NOS
RM-Z042208
397.53
5-Trityl-5,6,7,7a-tetrahydrothieno[3,2-c]pyridin-2(4H)-one

Zidovudine Impurity K
CAS:98-11-3
Formula: C6H6O3S
RM-Z042211
158.18
Benzenesulfonic acid

ZIPRASIDONE EP IMPURITY A
CAS:87691-87-0
Formula: C11H13N3S
RM-Z161801
219.31
3-(piperazin-1-yl)benzo[d]isothiazole

ZIPRASIDONE EP IMPURITY B
CAS:1159977-56-6
Formula: C21H19ClN4O2S
RM-Z161802
426.92
5-(2-(4-(benzo[d]isothiazol-3-yl)piperazin-1-yl)ethyl)-6-chloroindoline-2,3-dione

ZIPRASIDONE EP IMPURITY D
CAS:1303996-68-0
Formula: C42H40Cl2N8O3S2
RM-Z161829
839.85
5,5'-bis(2-(4-(benzo[d]isothiazol-3-yl)piperazin-1-yl)ethyl)-6,6'-dichloro-3-hydroxy-[3,3'-biindoline]-2,2'-dione

Ziprasidone Impurity 22
CAS:N/A
Formula: C10H7Cl2NO2
RM-Z161822
244.07
6-chloro-7-(2-chloroacetyl)indolin-2-one

Ziprasidone Impurity 25
CAS:N/A
Formula: C18H12Cl2N2O3
RM-Z161825
375.21
5,5'-(1-oxoethane-1,2-diyl)bis(6-chloroindolin-2-one)

Ziprasidone Impurity 46
CAS:N/A
Formula: C10H10ClNO
RM-Z161846
195.65
6-chloro-5-ethylindolin-2-one

ZIPRASIDONE IMPURITY 8
CAS:118289-55-7
Formula: C10H9Cl2NO
RM-Z161808
230.09
6-Chloro-5-(2-chloroethyl)indolin-2-one

ZIPRASIDONE IMPURITY 9
CAS:884305-08-2
Formula: C21H21ClN4O2S
RM-Z161809
428.94
5-(2-(4-(Benzo[d]isothiazol-3-yl)piperazin-1-yl)-1-hydroxyethyl)-6-chloroindolin-2-one

ZIPRASIDONE-D8
CAS:1126745-58-1
Formula: C21H13D8ClN4OS
RM-Z161835
420.98
5-(2-(4-(benzo[d]isothiazol-3-yl)piperazin-1-yl-2,2,3,3,5,5,6,6-d8)ethyl)-6-chloroindolin-2-one

ZOLEDRONIC ACID IMPURITY 2
CAS:N/A
Formula: C10H16N4O12P4
RM-Z151202
508.15
(3,6-bis((1H-imidazol-1-yl)methyl)-2,5-dihydroxy-2,5-dioxido-1,4,2,5-dioxadiphosphinane-3,6-diyl)diphosphonic acid

ZOLEDRONIC ACID IMPURITY 3
CAS:1627731-60-5
Formula: C7H12N2O9P2
RM-Z151203
330.13
2-(3-(2-hydroxy-2,2-diphosphonoethyl)-1H-imidazol-3-ium-1-yl)acetate

ZOLEDRONIC ACID IMPURITY 4
CAS:117255-11-5
Formula: C7H8N2O4
RM-Z151204
184.15
2-(1-(carboxymethyl)-1H-imidazol-3-ium-3-yl)acetate

ZOLEDRONIC ACID IMPURITY 5
CAS:1334703-07-9
Formula: C11H17ClN2O4
RM-Z151205
276.72
1,3-bis(2-ethoxy-2-oxoethyl)-1H-imidazol-3-ium chloride

ZOLEDRONIC ACID IMPURITY 6
CAS:1627731-61-6
Formula: C7H16N2O14P4
RM-Z151206
476.1
hydrogen (1-hydroxy-2-(1-(2-hydroxy-2,2-diphosphonoethyl)-1H-imidazol-3-ium-3-yl)-1-phosphonoethyl)phosphonate

Zolpidem Tartrate Impurity 31
CAS:258273-50-6
Formula: C18H18N2O2
RM-Z121631
294.35
methyl 2-(6-methyl-2-(p-tolyl)imidazo[1,2-a]pyridin-3-yl)acetate

ZOLPIDEM TARTRATE IMPURITY 4
CAS:349122-64-1
Formula: C14H14N2O
RM-Z121604
226.27
4-Methyl-N-(5-methylpyridin-2-yl)benzamide

ZOPICLONE EP IMPURITY A
CAS:43200-96-0
Formula: C17H17ClN6O4
RM-Z161501
404.81
4-(((6-(5-chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl)oxy)carbonyl)-1-methylpiperazine 1-oxide

ZOPICLONE EP IMPURITY B
CAS:43200-81-3
Formula: C11H7ClN4O2
RM-Z161503
262.65
(RS)-6-(5-chloropyridin-2-yl)-7-hydroxy-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-one

ZOPICLONE IMPURITY 12
CAS:45965-30-8
Formula: C7H7ClN2O
RM-Z161538
170.6
N-(5-chloropyridin-2-yl)acetamide

ZOPICLONE IMPURITY 16
CAS:N/A
Formula: C17H17ClN6O3
RM-Z161542
388.81
6-(3-chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyrazin-5-yl 4-methylpiperazine-1-carboxylate

ZOPICLONE IMPURITY 6
CAS:43200-83-5
Formula: C11H7ClN4O3
RM-Z161532
278.65
3-((5-chloropyridin-2-yl)carbamoyl)pyrazine-2-carboxylic acid

ZOPICLONE IMPURITY 7
CAS:43200-82-4
Formula: C11H5ClN4O2
RM-Z161533
260.64
6-(5-chloropyridin-2-yl)-5H-pyrrolo[3,4-b]pyrazine-5,7(6H)-dione