has role is conjugate base of octadec-9-enoate oleic acid chemical entity oleate (9Z)-octadec-9-enoate (9Z)-octadecenoate (Z)-9-octadecenoic acid, ion(1-) 281.248 281.45342 A C18, long straight-chain monounsaturated fatty acid anion; and the conjugate base of oleic acid, arising from deprotonation of the carboxylic acid group. Beilstein:1913148 C18H33O2 CAS:115-06-0 CCCCCCCC\C=C/CCCCCCCC([O-])=O CHEBI:14684 CHEBI:25663 CHEBI:30823 Gmelin:344067 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- Oleat PMID:12429352 Reaxys:1913148 ZQPPMHVWECSIRJ-KTKRTIGZSA-M chebi_ontology cis-9-octadecenoate oleic acid anion plant metabolite