Allopurinol

Allopurinol Impurities & Reference Standards

Allopurinol is a high-purity active pharmaceutical ingredient (API) used in the formulation and manufacture of pharmaceutical products. Allopurinol is registered under CAS Number 315-30-0. The compound carries the molecular formula C5H4N4O, corresponding to a molecular weight of 136.1 g/mol. High-purity Allopurinol and its related substances / process impurities are essential for analytical method development, method validation, quality control, and regulatory submissions under ICH, USP, BP, and EP guidelines. We supply certified Allopurinol reference standards and impurity markers with complete documentation, including a Certificate of Analysis (CoA), HPLC chromatograms, and spectroscopic data, for pharmaceutical research, manufacturing, and regulatory use.