CAS: 7803-63-6 Molecular Formula: H5NO4S Molecular Weight (g/mol): 115.10 MDL Number: MFCD00051073 InChI Key: BIGPRXCJEDHCLP-UHFFFAOYSA-N Synonym: ammonium bisulfate,ammonium hydrogensulphate,sulfuric acid, monoammonium salt,unii-6218r7mbzb,sulfuric acid, ammonium salt 1:1,azanium hydrogen sulfate,ammonia sulfate,acmc-1bcew,ammonium hydrogen sulphate,nh4hso4 PubChem CID: 24655 IUPAC Name: ammonium hydrogen sulfate SMILES: [NH4+].OS([O-])(=O)=O