has functional parent N-pentacosanoyl-14-methylhexadecasphingosine-1-phosphocholine (2S,3R,4E)-3-hydroxy-14-methyl-2-(pentacosanoylamino)hexadec-4-en-1-yl 2-(trimethylazaniumyl)ethyl phosphate 814.693 815.243 A sphingomyelin 42:1 obtained by formal condensation of the carboxy group of pentacosanoic acid with the amino group of 14-methylhexadecasphingosine-1-phosphocholine. It is a metabolite of the nematode Caenorhabditis elegans. C(CCCCCC(CC)C)CC\C=C\[C@@H](O)[C@@H](NC(CCCCCCCCCCCCCCCCCCCCCCCC)=O)COP(OCC[N+](C)(C)C)(=O)[O-] C47H95N2O6P CHEBI:119674 IUXQQZFJFXDYQR-VOGAPEMXSA-N InChI=1S/C47H95N2O6P/c1-7-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-25-26-31-34-37-40-47(51)48-45(43-55-56(52,53)54-42-41-49(4,5)6)46(50)39-36-33-30-28-27-29-32-35-38-44(3)8-2/h36,39,44-46,50H,7-35,37-38,40-43H2,1-6H3,(H-,48,51,52,53)/b39-36+/t44?,45-,46+/m0/s1 N-pentacosanoyl-14-methylhexadecasphing-4-enine-1-phosphocholine PMID:23894595 SM (d17:1;3/25:0) SM 42:1;3 chebi_ontology pentacosanoic acid sphingomyelin 42:1