The molecule is a steroid acid anion that is the conjugate base of (25S)-dafachronic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a (5alpha,25S)-3-oxocholestan-26-oic acid.
(2S,6R)-6-[(5S,8R,9S,10S,13R,14S,17R)-10,13-dimethyl-3-oxo-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-17-yl]-2-methylheptanoate