The molecule is a carotenoid having the structure of beta-carotene but with a cis double bond at the 9,10-position. It has a role as a biological pigment.
1,3,3-trimethyl-2-[(1E,3E,5E,7E,9E,11E,13E,15Z,17E)-3,7,12,16-tetramethyl-18-(2,6,6-trimethylcyclohexen-1-yl)octadeca-1,3,5,7,9,11,13,15,17-nonaenyl]cyclohexene