CAS: 109-79-5 Molecular Formula: C4H10S Molecular Weight (g/mol): 90.18 MDL Number: MFCD00004905 InChI Key: WQAQPCDUOCURKW-UHFFFAOYSA-N Synonym: 1-butanethiol,butanethiol,butyl mercaptan,n-butyl mercaptan,n-butanethiol,butylthiol,thiobutyl alcohol,n-butylmercaptan,1-mercaptobutane,1-butyl mercaptan PubChem CID: 8012 IUPAC Name: butane-1-thiol SMILES: CCCCS