The molecule is a polyunsaturated fatty acid anion that is the conjugate base of (10E,12Z)-octadecadienoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a polyunsaturated fatty acid anion and a long-chain fatty acid anion. It is a conjugate base of a (10E,12Z)-octadecadienoic acid.
(10E,12Z)-octadeca-10,12-dienoate