The chemical Oleic acid has a designated molecular formula of C18H34O2 and a molecular weight of 282.468 g/mol. Synonyms may include: K 52, 4-02-00-01641 (Beilstein Handbook Reference), Acide oleique [French], l'Acide oleique [French], AI3-01291, BRN 1726542, Caswell No. 619, CCRIS 682, Century cd fatty acid, EINECS 204-007-1, Elaidoic acid, Emersol 210 (ChemID).