The molecule is a phytosterol consiting of ergostane having double bonds at the 5,6- and 7,8-positions as well as a 3beta-hydroxy group. It is a 3beta-sterol, an ergostanoid and a member of phytosterols. It derives from a hydride of a 5alpha-ergostane.
(3S,9S,10R,13R,14R,17R)-17-[(2R,5S)-5,6-dimethylheptan-2-yl]-10,13-dimethyl-2,3,4,9,11,12,14,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-3-ol