1-Butyric acid 1-Propanecarboxylic acid 107-92-6 4-02-00-00779 (Beilstein Handbook Reference) AI3-15306 BRN 0906770 BUTYRIC ACID Butanic acid Butanoic acid Buttersaeure [German] Butyrate Butyric acid (natural) Butyric acid [UN2820] [Corrosive] CCRIS 6552 EINECS 203-532-3 Ethylacetic acid FEMA No. 2221 FEMA Number 2221 HSDB 940 Kyselina maselna [Czech] NSC 8415 Propylformic acid UN2820 n-Butanoic acid n-Butyric acid