CAS: 329218-14-6 Molecular Formula: C19 H21 N3 O S . 2 Cl H Molecular Weight (g/mol): 412.38 Synonym: 1-Piperazineethanol, 4-dibenzo[b,f][1,4]thiazepin-11-yl-, hydrochloride (1:2),1-Piperazineethanol, 4-dibenzo[b,f][1,4]thiazepin-11-yl-, dihydrochloride (9CI),2-[4-(Dibenzo[b,f][1,4]thiazepin-11-yl)piperazin-1-yl]ethanol dihydrochloride,Quetiapine Hydroxy Impurity Dihydrochloride Salt IUPAC Name: 2-(4-benzo[b][1,4]benzothiazepin-6-ylpiperazin-1-yl)ethanol;dihydrochloride SMILES: Cl.Cl.OCCN1CCN(CC1)C2=Nc3ccccc3Sc4ccccc24