The chemical Diltiazem Hydrochloride has a designated molecular formula of C22H27ClN2O4S and a molecular weight of 450.978 g/mol. Synonyms may include: Altiazem, Anginyl, Angizem, Britiazim, Bruzem, Calcicard, Cardizem, CRD-401, Dilpral, Diltiazem chloridrate, Dilzem, EINECS 251-443-3 (ChemID). Diltiazem Hydrochloride has been assigned a MeSH pharmacological action of: Calcium Channel Blockers.