The molecule is an organic cation that is the conjugate acid of 15-methylhexadecasphing-4-enine-1-phosphocholine, obtained by protonation of the primary amino function; major species at pH 7.3. It is an ammonium ion derivative and an organic cation. It is a conjugate acid of a 15-methylhexadecasphing-4-enine-1-phosphocholine.
[(E,2S,3R)-2-azaniumyl-3-hydroxy-15-methylhexadec-4-enyl] 2-(trimethylazaniumyl)ethyl phosphate