The molecule is an S-acyl-4'-phosphopantetheine obtained by deprotonation of the phosphate OH groups of S-(3alpha,7alpha,12alpha-trihydroxy-5beta-cholestan-26-oyl)-4'-phosphopantetheine; major species at pH 7.3. It is a conjugate base of a S-(3alpha,7alpha,12alpha-trihydroxy-5beta-cholestan-26-oyl)-4'-phosphopantetheine.
[(3R)-3-hydroxy-2,2-dimethyl-4-[[3-[2-[(6R)-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]heptanoyl]sulfanylethylamino]-3-oxopropyl]amino]-4-oxobutyl] phosphate