Category
Clopidogrel
CAS Number
STD- 113665-84-2: IMP-A(RC-A)- 144457-28-3: IMP-B- 1396607-35-4: IMP-C- 120202-69-9
Molecular Formula
STD- C16H16ClNO2S: IMP-A(RC-A)- C15H14ClNO2S: IMP-B- C16H17Cl2NO2S: IMP-C- C16H16ClNO2S
Molecular Weight
STD- 321.8: IMP-A(RC-A)- 307.8: IMP-B- 358.29: IMP-C- 321.82
Synonym

Clopidogrel STD (Methyl (S)-2-(2-chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetate)

Clopidogrel EP Impurity A ((2S)-2-(2-chlorophenyl)-2-[6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl]acetic acid, Clopidogrel USP Related Compound A)

Clopidogrel EP Impurity B (Methyl(2S)-(2-Chlorophenyl)[4,7-dihydrothieno[2,3-c]pyridin-6(5H)-yl]acetateHydrochloride)

Clopidogrel EP Impurity C Methyl (2R)-(2-Chlorophenyl)[6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl]acetate; (R)-Clopidogrel; Clopidogrel Bisulfate R-Isomer; R-(-)-Clopidogrel

slide.1

Clopidogrel for System Suitability CRS is used to verify chromatographic system performance by checking retention time, resolution, peak symmetry, and reproducibility before sample analysis.