Quinidine Sulfate

Quinidine Sulfate Impurities & Reference Standards

Used throughout the pharmaceutical sector, Quinidine Sulfate is an active pharmaceutical ingredient (API) integral to the formulation of medicines and finished dosage forms. Quinidine Sulfate is registered under CAS Number 6591-63-5. With molecular formula C40H50N4O8S,2H2O and molecular weight 783 g/mol, its physicochemical identity is well characterized. Quinidine Sulfate related substances / impurity reference standards support HPLC method validation, forced degradation studies, and regulatory documentation consistent with ICH, USP, BP, and EP requirements. Quinidine Sulfate is available as a certified impurity reference standard with CoA, HPLC chromatograms, and spectroscopic data to support analytical method development and regulatory compliance.