The molecule is an S-acyl-4-phosphopantetheine obtained by deprotonation of the phosphate OH groups of S-hexanoyl-4'-phosphopantetheine; major species at pH 7.3. It is a conjugate base of a S-hexanoyl-4'-phosphopantetheine.
[(3R)-4-[[3-(2-hexanoylsulfanylethylamino)-3-oxopropyl]amino]-3-hydroxy-2,2-dimethyl-4-oxobutyl] phosphate