The chemical Diltiazem has a designated molecular formula of C22H26N2O4S and a molecular weight of 414.520 g/mol. Synonyms may include: BRN 3573079, d-cis-Diltiazem, Diltiazemum [INN-Latin], EINECS 255-796-4, Acalix, Dilcontin, Dilta-Hexal, Dilticard, Dilzen, Endrydil, Incoril AP, HSDB 6528 (ChemID). Diltiazem has been assigned a MeSH pharmacological action of: Calcium Channel Blockers.