The molecule is a 1-acyl-sn-glycero-3-phospho-1D-myo-inositol(1-) in which the acyl group is specified as hexadecanoyl (palmitoyl); major species at pH 7.3. It is a 1-acyl-sn-glycero-3-phospho-1D-myo-inositol(1-) and a lysophosphatidylinositol 16:0(1-). It is a conjugate base of a 1-hexadecanoyl-sn-glycero-3-phospho-D-myo-inositol.
[(2R)-3-hexadecanoyloxy-2-hydroxypropyl] [(2R,3S,5R,6R)-2,3,4,5,6-pentahydroxycyclohexyl] phosphate