The molecule is a retinoid anion that is the conjugate base of all-trans-4-oxo-16-hydroxyretinoic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a retinoid anion, a hydroxy monocarboxylic acid anion and an oxo monocarboxylic acid anion. It is a conjugate base of an all-trans-4-oxo-16-hydroxyretinoic acid.
(2E,4E,6E,8E)-9-[6-(hydroxymethyl)-2,6-dimethyl-3-oxocyclohexen-1-yl]-3,7-dimethylnona-2,4,6,8-tetraenoate