Calcitriol

Calcitriol Impurities & Reference Standards

Calcitriol, supplied as a certified reference standard, is an active pharmaceutical ingredient (API) central to pharmaceutical formulation and drug product manufacturing. Calcitriol is registered under CAS Number 32222-06-3. With molecular formula C27H44O3 and molecular weight 416.6 g/mol, its physicochemical identity is well characterized. Calcitriol impurity reference standards are used to support assay development, purity testing, and stability studies in line with global pharmacopoeial requirements (ICH, USP, BP, EP). We supply certified Calcitriol 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.