The molecule is a monocarboxylic acid anion that is the conjugate base of 4,4'-diapolycopen-4-oic acid; obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a 4,4'-diapolycopen-4-oic acid.
(2E,4E,6E,8E,10E,12E,14E,16E,18E,20E)-2,6,10,15,19,23-hexamethyltetracosa-2,4,6,8,10,12,14,16,18,20,22-undecaenoate