The molecule is a phosphosphingolipid that is phytosphingosine bearing a phospho group at position 1. It has a role as a Saccharomyces cerevisiae metabolite. It derives from a phytosphingosine. It is a conjugate acid of a phytosphingosine 1-phosphate(1-).
[(2S,3S,4R)-2-amino-3,4-dihydroxyoctadecyl] dihydrogen phosphate