has role has functional parent is conjugate base of isobutyric acid propionate isobutyrate 2-methylpropanoate 2-methylpropanoate 2-methylpropanoic acid, ion(1-) 2-methylpropionate 87.045 87.09718 A branched, short-chain, saturated fatty acid anion; the conjugate base of isobutyric acid, formed by deprotonation of the carboxylic acid group. Beilstein:3903644 C4H7O2 CAS:5711-69-3 CC(C)C([O-])=O CHEBI:11627 CHEBI:25334 CHEBI:48944 Gmelin:324364 InChI=1S/C4H8O2/c1-3(2)4(5)6/h3H,1-2H3,(H,5,6)/p-1 Isobutyrat KQNPFQTWMSNSAP-UHFFFAOYSA-M MetaCyc:ISOBUTYRATE Reaxys:3903644 UM-BBD_compID:c0383 chebi_ontology i-butyrate iPrCO2 anion isobutanoate isobutyric acid anion methylpropanoate short-chain fatty acid anion branched-chain saturated fatty acid anion plant metabolite