lipid carboxylic acid anion oleate -1 281.2486 281.46 CHEBI:25663 (9Z)-octadecenoate gmelin:344067 cas:115-06-0 (9Z)-octadec-9-enoate CHEBI:30823 Oleat A C<small>₁₈</small>, long straight-chain monounsaturated fatty acid anion; and the conjugate base of oleic acid, arising from deprotonation of the carboxylic acid group. CHEBI:14684 (9Z)-octadec-9-enoate ZQPPMHVWECSIRJ-KTKRTIGZSA-M (Z)-9-octadecenoic acid, ion(1-) pubmed:12429352 chebi_ontology cis-9-octadecenoate CCCCCCCC/C=CCCCCCCCC(=O)[O-] C18H33O2 oleic acid anion InChI=1S/C18H34O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20/h9-10H,2-8,11-17H2,1H3,(H,19,20)/p-1/b10-9- reaxys:1913148