The molecule is a cationic sphingoid that is the conjugate acid of 15-methylhexadecasphinganine, obtained by protonation of the amino group; major species at pH 7.3. It is a conjugate acid of a 15-methylhexadecasphinganine.
[(2S,3R)-1,3-dihydroxy-15-methylhexadecan-2-yl]azanium