The molecule is a 4alpha-hydroxymethyl steroid that is 5-alpha-cholest-7-en-3beta-ol in which the alpha-hydrogen at position 4 has been replaced by a hydroxymethyl group. It is a 3beta-sterol, a cholestanoid and a 4alpha-hydroxymethyl steroid.
(3S,4R,5S,9R,10S,13R,14R,17R)-4-(hydroxymethyl)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,5,6,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-ol