CAS: 747-36-4 Molecular Formula: C18H26ClN3O·H2SO4 Molecular Weight (g/mol): 433.96 MDL Number: MFCD00078203 InChI Key: JCBIVZZPXRZKTI-UHFFFAOYSA-N Synonym: hydroxychloroquine sulfate,hydroxychloroquine sulphate,ercoquin,plaquinol,toremonil,2-4-7-chloroquinolin-4-yl amino pentyl ethyl amino ethanol sulfate,hydroxychloroquine sulfate usp,plaquenil tn,hydroxychloroquine; sulfuric acid,dsstox_cid_27788 PubChem CID: 12947 IUPAC Name: 2-[4-[(7-chloroquinolin-4-yl)amino]pentyl-ethylamino]ethanol;sulfuric acid SMILES: CCN(CCCC(C)NC1=C2C=CC(=CC2=NC=C1)Cl)CCO.OS(=O)(=O)O