The molecule is a anionic ceramide phosphoinositol compound having a hexacosanoyl group attached to the ceramide nitrogen and no hydroxylation at C-4 of the long-chain base or at C-2 or C-3 of the very-long-chain fatty acid. Major species at pH 7.3 It is an inositol phosphodihydroceramide(1-) and an Ins-1-P-Cer-A 44:0(1-). It is a conjugate base of an Ins-1-P-Cer(d18:0/26:0).
[(2S,3R)-2-(hexacosanoylamino)-3-hydroxyoctadecyl] [(2R,3R,5S,6R)-2,3,4,5,6-pentahydroxycyclohexyl] phosphate