The molecule is a member of the class of carotenone that is echinenone carrying an additional hydroxy substituent at position 4'. It is a carotenone, an enone and a secondary alcohol. It derives from an echinenone.
3-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18-(3-hydroxy-2,6,6-trimethylcyclohexen-1-yl)-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-2,4,4-trimethylcyclohex-2-en-1-one