Category
Clopidogrel
CAS Number
120202-69-9
Alternate CAS Number
120202-71-3(Salt)
Molecular Formula
C₁₆H₁₆ClNO₂S (Free Base) and C₁₆H₁₈ClNO₆S₂ (Salt Form)
Molecular Weight
Base: 321.82 g/mol;Salt: 419.90 g/mol
Catalogue Number
MLS-CPD-IMP-3
Synonym

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

Salt - Methyl (2R)-(2-chlorophenyl)[6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl]acetate; (R)-Methyl 2-(2-chlorophenyl)-2-(6,7-dihydrothieno[3,2-c]pyridin-5(4H)-yl)acetate sulfate; Methyl (−)-(R)-(o-chlorophenyl)-6,7-dihydrothieno[3,2-c]pyridine-5(4H)-acetate, hydrogen sulfate; Clopidogrel Related Compound C (USP);

 

Keywords
Impurities
Chiral standards
Metabolites.
Impurities
Impurities manufacturer and Suppliers in Hyderabad india
120202-69-9

Clopidogrel Related Compound C, with CAS No. 120202-69-9 and 120202-71-3 (Sulfate Salt), is a high-purity pharmaceutical impurity reference standard widely used in impurity profiling, forced degradation studies, stability-indicating method development, analytical validation, process impurity control, and regulatory compliance testing for Clopidogrel APIs and finished dosage forms. It is characterized by Molecular Formula C₁₆H₁₆ClNO₂S (Free Base) and C₁₆H₁₈ClNO₆S₂ (Salt Form), along with Molecular Weight 321.82 g/mol (Free Base) and 419.90 g/mol (Salt Form), making it essential for accurate identification and quantification of process- and degradation-related impurities in pharmaceutical development workflows.

Manasa Life Sciences, Hyderabad, India, is a leading manufacturer and global supplier of Clopidogrel Related Compound C, offering high-quality reference standards supported by advanced analytical characterization using HPLC, UPLC, LC-MS/MS, HRMS, NMR, FTIR, and chromatographic purity techniques. Each batch is supplied with complete regulatory documentation including COA, SDS, MSDS, GMP and GDP compliance statements, Certificate of Compliance (COC), spectral data, chromatograms, and detailed technical specifications, ensuring full traceability and regulatory readiness. Our impurity standards are manufactured under strict quality systems and aligned with ICH guidelines, USFDA, EMA, USP, EP, and other international pharmacopeial standards, making them suitable for global pharmaceutical R&D, quality control, and regulatory submission requirements.