The molecule is a glycosylsphingoid consisting of sphingosine having a beta-D-galactosyl residue attached at the 1-position. It has a role as a human metabolite. It derives from a sphing-4-enine and a sphingosine. It is a conjugate base of a psychosine(1+).
(2R,3R,4S,5R,6R)-2-[(E,2S,3R)-2-amino-3-hydroxyoctadec-4-enoxy]-6-(hydroxymethyl)oxane-3,4,5-triol