is conjugate acid of sphingosine-1-phosphocholine quaternary ammonium ion phosphosphingolipid phosphocholines sphingosylphosphocholine acid 2-{[{[(2S,3R,4E)-2-amino-3-hydroxyoctadec-4-en-1-yl]oxy}(hydroxy)phosphoryl]oxy}-N,N,N-trimethylethanaminium 465.346 465.62730 A cationic phosphosphingolipid consisting of sphingosine having a phosphocholine moiety attached to its primary hydroxyl group. C23H50N2O5P CCCCCCCCCCCCC\C=C\[C@@H](O)[C@@H](N)COP(O)(=O)OCC[N+](C)(C)C CHEBI:52897 InChI=1S/C23H49N2O5P/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-23(26)22(24)21-30-31(27,28)29-20-19-25(2,3)4/h17-18,22-23,26H,5-16,19-21,24H2,1-4H3/p+1/b18-17+/t22-,23+/m0/s1 JLVSPVFPBBFMBE-HXSWCURESA-O KEGG:C03640 Sphing-4-enine-1-phosphocholine Sphingosyl-phosphocholine chebi_ontology sphingosylphosphocholine sphingosylphosphocholine acid