The molecule is an inositol phosphophytoceramide(1-) having a tetracosanoyl group attached to the ceramide nitrogen. Major species at pH 7.3. It is a conjugate base of an Ins-1-P-Cer(t18:0/24:0).
[(2S,3S,4S)-3,4-dihydroxy-2-(tetracosanoylamino)octadecyl] [(2R,3S,5R,6R)-2,3,4,5,6-pentahydroxycyclohexyl] phosphate