Sulfinpyrazone

Sulfinpyrazone Impurities & Reference Standards

Sulfinpyrazone, supplied as a certified reference standard, is an active pharmaceutical ingredient (API) central to pharmaceutical formulation and drug product manufacturing. Sulfinpyrazone is registered under CAS Number 57-96-5. With molecular formula C23H20N2O3S and molecular weight 404.5 g/mol, its physicochemical identity is well characterized. Sulfinpyrazone related substances / impurity reference standards support HPLC method validation, forced degradation studies, and regulatory documentation consistent with ICH, USP, BP, and EP requirements. We supply certified Sulfinpyrazone 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.