The molecule is 3alpha,7alpha,12alpha,24-tetrahydroxy-5beta-cholestan-26-oate with S configuration at C-24; major microspecies at pH 7.3. It is a conjugate base of a (24S)-3alpha,7alpha,12alpha,24-tetrahydroxy-5beta-cholestan-26-oic acid.
(3S,6R)-3-hydroxy-2-methyl-6-[(3R,5S,7R,8R,9S,10S,12S,13R,14S,17R)-3,7,12-trihydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]heptanoate