Sulfamethizole

Sulfamethizole Impurities & Reference Standards

Sulfamethizole, supplied as a certified reference standard, is an active pharmaceutical ingredient (API) central to pharmaceutical formulation and drug product manufacturing. Sulfamethizole is registered under CAS Number 144-82-1. The compound carries the molecular formula C9H10N4O2S2, corresponding to a molecular weight of 270.3 g/mol. Sulfamethizole impurity reference standards are used to support assay development, purity testing, and stability studies in line with global pharmacopoeial requirements (ICH, USP, BP, EP). Each batch of Sulfamethizole 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.