1-Butanethiol 1-Butyl mercaptan 1-Mercaptobutane 109-79-5 23601-34-5 36169-16-1 4-01-00-01555 (Beilstein Handbook Reference) 4779-86-6 AI3-22954 BRN 1730908 BUTYL MERCAPTAN Bear skunk Butanethiol Butylthiol Caswell No. 119D EINECS 203-705-3 EPA Pesticide Chemical Code 125001 FEMA No. 3478 HSDB 290 NCI-C60866 Normal butyl thioalcohol Thiobutyl alcohol n-Butanethiol n-Butyl mercaptan n-Butyl thioalcohol n-Butylmercaptan