Propylthiouracil

Propylthiouracil Impurities & Reference Standards

Propylthiouracil is a widely used active pharmaceutical ingredient (API) that plays a central role in modern drug formulation and manufacturing. Propylthiouracil is registered under CAS Number 51-52-5. The compound carries the molecular formula C7H10N2OS, corresponding to a molecular weight of 170.2 g/mol. Propylthiouracil related substances / impurity reference standards support HPLC method validation, forced degradation studies, and regulatory documentation consistent with ICH, USP, BP, and EP requirements. Our Propylthiouracil 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.