CAS: 33286-22-5 Molecular Formula: C22H27ClN2O4S Molecular Weight (g/mol): 450.978 InChI Key: HDRXZJPWHTXQRI-BHDTVMLSSA-N Synonym: diltiazem hydrochloride,diltiazem hcl,herbesser,dilzene,lacerol,masdil,tildiem,tiazac,mono-tildiem,bi-tildiem PubChem CID: 62920 ChEBI: CHEBI:645509 IUPAC Name: [(2S,3S)-5-[2-(dimethylamino)ethyl]-2-(4-methoxyphenyl)-4-oxo-2,3-dihydro-1,5-benzothiazepin-3-yl] acetate;hydrochloride SMILES: CC(=O)OC1C(SC2=CC=CC=C2N(C1=O)CCN(C)C)C3=CC=C(C=C3)OC.Cl