The molecule is a phosphosphingolipid consisting of sphingosine having a phosphocholine moiety attached to its primary hydroxyl group. It is a phosphosphingolipid, a member of phosphocholines and an ammonium betaine. It derives from a sphingosine. It is a conjugate base of a sphingosylphosphocholine acid and a sphingosine-1-phosphocholine(1+).
[(E,2S,3R)-2-amino-3-hydroxyoctadec-4-enyl] 2-(trimethylazaniumyl)ethyl phosphate