The molecule is the conjugate base of sphingosine 1-phosphate having an anionic phosphate group and a protonated amino group; major species at pH 7.3. It has a role as a human metabolite. It is a conjugate base of a sphingosine 1-phosphate.
[(E,2S,3R)-2-azaniumyl-3-hydroxyoctadec-4-enyl] phosphate