Clopidogrel Impurities

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Impurity structure Parent Drug Name Name of Impurity Catalogue No. CAS No.
Clopidogrel Acid Clopidogrel

Clopidogrel Acid

VL31007 90055-55-3
Clopidogrel Acyl-beta-D-Glucuronide Clopidogrel

Clopidogrel Acyl-beta-D-Glucuronide

VE0013843 1314116-53-4
Clopidogrel Camphorsulfonate Clopidogrel

Clopidogrel Camphorsulfonate

VL31012 120202-68-8
Clopidogrel Diester Enantiomer Sulfate Clopidogrel

Clopidogrel Diester Enantiomer Sulfate

VE0013854 N/A
Clopidogrel EP Impurity A (HCl salt) Clopidogrel

Clopidogrel EP Impurity A (HCl salt)

VL31003 144750-42-5
Clopidogrel EP Impurity B Clopidogrel

Clopidogrel EP Impurity B

VL31002 1396841-05-6
Clopidogrel EP Impurity C Clopidogrel

Clopidogrel EP Impurity C

VL31004 120202-71-3
Clopidogrel EP Impurity D Clopidogrel

Clopidogrel EP Impurity D

VL31011 1421283-60-4
Clopidogrel EP Impurity E Clopidogrel

Clopidogrel EP Impurity E

VE0013633 444728-13-6
Clopidogrel EP Impurity F (Bisulpate) Clopidogrel

Clopidogrel EP Impurity F (Bisulpate)

VE006553 N/A
Clopidogrel Ethyl Ester Sulfate Clopidogrel

Clopidogrel Ethyl Ester Sulfate

VE0013834 1332612-57-3
Clopidogrel Impurity 1 (Chloride) Clopidogrel

Clopidogrel Impurity 1 (Chloride)

VE0013819 2418591-11-2
Clopidogrel Impurity 13 Clopidogrel

Clopidogrel Impurity 13

VE0013845 1225166-78-8
Clopidogrel Impurity 19 (Na Salt) Clopidogrel

Clopidogrel Impurity 19 (Na Salt)

VE0013848 N/A
Clopidogrel Impurity 2 Clopidogrel

Clopidogrel Impurity 2

VL31013 1396607-49-0
Clopidogrel Impurity 2 Bromide Clopidogrel

Clopidogrel Impurity 2 Bromide

VE0013820 2418591-12-3
Clopidogrel Impurity 20 Clopidogrel

Clopidogrel Impurity 20

VE0013850 85259-19-4
Clopidogrel Impurity 3 Clopidogrel

Clopidogrel Impurity 3

VL31008 141109-18-4
Clopidogrel Impurity 31 (HCl Salt) Clopidogrel

Clopidogrel Impurity 31 (HCl Salt)

VE0013852 N/A
Clopidogrel Impurity 32 (HCl Salt) Clopidogrel

Clopidogrel Impurity 32 (HCl Salt)

VE0013817 N/A
Clopidogrel Impurity 4 Bromide Clopidogrel

Clopidogrel Impurity 4 Bromide

VE0013821 N/A
Clopidogrel Impurity 49 Clopidogrel

Clopidogrel Impurity 49

VE0013855 115929-81-2
Clopidogrel Impurity 5 (HCl Salt) Clopidogrel

Clopidogrel Impurity 5 (HCl Salt)

VE0013827 212838-70-5
Clopidogrel In house Impurity E Clopidogrel

Clopidogrel In house Impurity E

VL31014 N/A
Clopidogrel Metabolite I (Mixture of Diastereomers) Clopidogrel

Clopidogrel Metabolite I (Mixture of Diastereomers)

VE0013835 767612-34-0
Clopidogrel Metabolite II (Mixture of Diastereomers) Clopidogrel

Clopidogrel Metabolite II (Mixture of Diastereomers)

VE0013836 N/A
Clopidogrel N-Oxide Clopidogrel

Clopidogrel N-Oxide

VE0013632 1319197-71-1
Clopidogrel Nitroso Impurity Clopidogrel

Clopidogrel Nitroso Impurity

VE0016716 2460755-43-3
Clopidogrel R-Enantiomer Clopidogrel

Clopidogrel R-Enantiomer

VE0013634 444728-15-8
Clopidogrel Racemic Mixture Clopidogrel

Clopidogrel Racemic Mixture

VL31005 N/A
Clopidogrel Related Compound B Clopidogrel

Clopidogrel Related Compound B

VL31009 144750-52-7
Clopidogrel Sulfonated Impurity Clopidogrel

Clopidogrel Sulfonated Impurity

VE0013841 N/A
Clopidogrel Thienopyridine Impurity Clopidogrel

Clopidogrel Thienopyridine Impurity

VE006548 28783-41-7
Methyl 2-(2-chlorophenyl)-2-((2-(thiophen-2-yl)ethyl)amino)acetate sulfate Clopidogrel

Methyl 2-(2-chlorophenyl)-2-((2-(thiophen-2-yl)ethyl)amino)acetate sulfate

VE008543 402746-56-9
rac-Clopidogrel Acid N-Oxide Clopidogrel

rac-Clopidogrel Acid N-Oxide

VE0013635 N/A
rac-Clopidogrel EP Impurity A (HCl Salt) Clopidogrel

rac-Clopidogrel EP Impurity A (HCl Salt)

VE0013838 1015247-88-7
rac-Clopidogrel EP Impurity A-D4 Clopidogrel

rac-Clopidogrel EP Impurity A-D4

DVE00405 1246814-52-7
rac-Clopidogrel-D3 (Sulfate) Clopidogrel

rac-Clopidogrel-D3 (Sulfate)

DVE00403 N/A
rac-Clopidogrel-D4 Hydrogen Sulfate Clopidogrel

rac-Clopidogrel-D4 Hydrogen Sulfate

DVE00404 1219274-96-0
(R)-Clopidogrel Carboxylic Acid Clopidogrel

(R)-Clopidogrel Carboxylic Acid

VE0013631 324757-50-8
(R)-Clopidogrel N-Oxide Clopidogrel

(R)-Clopidogrel N-Oxide

VE0013812 N/A
(R)-methyl 2-(2-chlorophenyl)-2-((2-(thiophen-2-yl)ethyl)amino)acetate hydrochloride Clopidogrel

(R)-methyl 2-(2-chlorophenyl)-2-((2-(thiophen-2-yl)ethyl)amino)acetate hydrochloride

VE0010060 1258938-54-3
(S)-Clopidogrel Carboxylic Acid N-Oxide Clopidogrel

(S)-Clopidogrel Carboxylic Acid N-Oxide

VE0013846 1319197-73-3
(S)-methyl 2-amino-2-(2-chlorophenyl)acetate (2R,3R)-2,3-dihydroxysuccinate Clopidogrel

(S)-methyl 2-amino-2-(2-chlorophenyl)acetate (2R,3R)-2,3-dihydroxysuccinate

VE0014595 N/A
2-(2-chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetamide Clopidogrel


VE0011532 N/A
2-(thiophen-2-yl)ethyl 4-methylbenzenesulfonate Clopidogrel

2-(thiophen-2-yl)ethyl 4-methylbenzenesulfonate

VE0014594 N/A
2-Oxo-Clopidogrel (Mixture of Diastereomers) Clopidogrel

2-Oxo-Clopidogrel (Mixture of Diastereomers)

VE0013851 109904-27-0
2-Oxo-Clopidogrel-D4 (Mixture of Diastereomers) Clopidogrel

2-Oxo-Clopidogrel-D4 (Mixture of Diastereomers)

DVE00402 N/A
2-Oxo-R-Clopidogrel (Mixture of Diastereomers) Clopidogrel

2-Oxo-R-Clopidogrel (Mixture of Diastereomers)

VE0013842 1360923-54-1
2,6,8-Trimethylnon-5-en-4-one Clopidogrel


VE0012053 19044-66-7