The molecule is a steroid sulfate oxoanion that is the conjugate base of pregnenolone sulfate, obtained by deprotonation of the sulfo group; major species at pH 7.3. It is a conjugate base of a pregnenolone sulfate.
[(3S,8S,9S,10R,13S,14S,17S)-17-acetyl-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl] sulfate