Phenylbutazone

Phenylbutazone Impurities & Reference Standards

As a key active pharmaceutical ingredient (API), Phenylbutazone is used across the pharmaceutical industry in the development and production of finished dosage forms. Phenylbutazone is registered under CAS Number 50-33-9. With molecular formula C19H20N2O2 and molecular weight 308.4 g/mol, its physicochemical identity is well characterized. These Phenylbutazone reference impurities are critical for pharmaceutical quality control, method validation, and regulatory filings aligned with ICH, USP, BP, and EP standards. We offer Phenylbutazone and its impurity standards with complete analytical documentation, including CoA and HPLC data, suitable for pharmaceutical quality control and regulatory submissions.