Oseltamivir Phosphate

Oseltamivir Phosphate Impurities & Reference Standards

Oseltamivir Phosphate, supplied as a certified reference standard, is an active pharmaceutical ingredient (API) central to pharmaceutical formulation and drug product manufacturing. Oseltamivir Phosphate is registered under CAS Number 204255-11-8. The compound carries the molecular formula C16H31N2O8P, corresponding to a molecular weight of 410.4 g/mol. Related substances and impurities of Oseltamivir Phosphate are routinely used as reference materials for stability-indicating method development, impurity profiling, and compliance with ICH, USP, BP, and EP monographs. Our Oseltamivir Phosphate reference standards are provided with full documentation — Certificate of Analysis (CoA), HPLC chromatographic data, and spectral characterization — to support pharmaceutical R&D and GMP manufacturing.