The molecule is a bile acid anion that is the conjugate base of 7alpha,12alpha-dihydroxy-3-oxo-5beta-cholan-24-oic acid, obtained by deprotonation of the carboxy group; major species at pH 7.3. It is a conjugate base of a 7alpha,12alpha-dihydroxy-3-oxo-5beta-cholan-24-oic acid.
(4R)-4-[(5R,7R,8R,9S,10S,12S,13R,14S,17R)-7,12-dihydroxy-10,13-dimethyl-3-oxo-1,2,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydrocyclopenta[a]phenanthren-17-yl]pentanoate