has functional parent N-octadecanoyl-15-methylhexadecasphingosine-1-phosphocholine (2S,3R,4E)-3-hydroxy-15-methyl-2-(octadecanoylamino)hexadec-4-en-1-yl 2-(trimethylazaniumyl)ethyl phosphate 716.583 717.056 A sphingomyelin obtained by formal condensation of the carboxy group of octadecanoic acid with the amino group of 15-methylhexadecasphingosine-1-phosphocholine. It is a metabolite of the nematode Caenorhabditis elegans. C(CCCCCCC(C)C)CC\C=C\[C@@H](O)[C@@H](NC(CCCCCCCCCCCCCCCCC)=O)COP(OCC[N+](C)(C)C)(=O)[O-] C40H81N2O6P CHEBI:119713 InChI=1S/C40H81N2O6P/c1-7-8-9-10-11-12-13-14-15-16-17-21-24-27-30-33-40(44)41-38(36-48-49(45,46)47-35-34-42(4,5)6)39(43)32-29-26-23-20-18-19-22-25-28-31-37(2)3/h29,32,37-39,43H,7-28,30-31,33-36H2,1-6H3,(H-,41,44,45,46)/b32-29+/t38-,39+/m0/s1 N-octadecanoyl-15-methylhexadecasphing-4-enine-1-phosphocholine PMID:23894595 SM 35:1;2 SM(d17:1;2/18:0) UTOTXKYACKIVLG-SSNNFMOJSA-N chebi_ontology octadecanoic acid sphingomyelin