The molecule is a 3alpha-hydroxy steroid that is castasterone which is lacking the oxo substituent at position 6. It is a 2alpha-hydroxy steroid, a 3alpha-hydroxy steroid, a 22-hydroxy steroid, a 23-hydroxy steroid and a brassinosteroid. It derives from a castasterone. It derives from a hydride of a 5alpha-campestane.
(2R,3S,5S,8R,9S,10S,13S,14S,17R)-17-[(2S,3R,4R,5S)-3,4-dihydroxy-5,6-dimethylheptan-2-yl]-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-2,3-diol