The molecule is a steroid acid consisting of 6-[(3-thiopropionyl)amino]hexanoic acid having a progesterone-4-yl group attached to the sulfur. It is a steroid acid, a 20-oxo steroid, a 3-oxo-Delta(4) steroid, a steroid sulfide and a monocarboxylic acid. It derives from a progesterone.
6-[3-[[(8S,9S,10R,13S,14S,17S)-17-acetyl-10,13-dimethyl-3-oxo-1,2,6,7,8,9,11,12,14,15,16,17-dodecahydrocyclopenta[a]phenanthren-4-yl]sulfanyl]propanoylamino]hexanoic acid