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