The molecule is a cholanic acid anion that is the conjugate base of 7,12-dioxolithocholic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a 7,12-dioxolithocholic acid.
(4R)-4-[(3R,5S,8R,9S,10S,13R,14S,17R)-3-hydroxy-10,13-dimethyl-7,12-dioxo-2,3,4,5,6,8,9,11,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-17-yl]pentanoate