Azathioprine

Azathioprine Impurities & Reference Standards

Used throughout the pharmaceutical sector, Azathioprine is an active pharmaceutical ingredient (API) integral to the formulation of medicines and finished dosage forms. Azathioprine is registered under CAS Number 446-86-6. With molecular formula C9H7N7O2S and molecular weight 277.3 g/mol, its physicochemical identity is well characterized. These Azathioprine reference impurities are critical for pharmaceutical quality control, method validation, and regulatory filings aligned with ICH, USP, BP, and EP standards. Each batch of Azathioprine reference standard is accompanied by a Certificate of Analysis (CoA), HPLC purity data, and spectroscopic (NMR/MS/IR) characterization for use in pharmaceutical laboratories worldwide.