1-Butanecarboxylic acid 109-52-4 12124-87-7 19455-21-1 4-02-00-00868 (Beilstein Handbook Reference) 42739-38-8 556-38-7 6106-41-8 70268-41-6 AI3-08657 BRN 0969454 Butanecarboxylic acid EINECS 203-677-2 FEMA No. 3101 HSDB 5390 Kyselina valerova [Czech] NSC 406833 PENTANOIC ACID Propylacetic acid VALERIC ACID, N- Valerianic acid Valeric acid Valeric acid, normal n-Pentanoic acid n-Valeric acid