has functional parent N-pentacosanoylsphingosine-1-phosphocholine (2S,3R,4E)-3-hydroxy-2-(pentacosanoylamino)octadec-4-en-1-yl 2-(trimethylazaniumyl)ethyl phosphate 828.708 829.269 A sphingomyelin d18:1 obtained by formal condensation of the carboxy group of pentacosanoic acid with the amino group of sphingosine. C(CCCCCCCCCCCCCCCCCCCCCCCC)(N[C@H]([C@@H](/C=C/CCCCCCCCCCCCC)O)COP(OCC[N+](C)(C)C)(=O)[O-])=O C25-Sphingomyelin C48H97N2O6P CHEBI:132058 InChI=1S/C48H97N2O6P/c1-6-8-10-12-14-16-18-20-21-22-23-24-25-26-27-28-30-32-34-36-38-40-42-48(52)49-46(45-56-57(53,54)55-44-43-50(3,4)5)47(51)41-39-37-35-33-31-29-19-17-15-13-11-9-7-2/h39,41,46-47,51H,6-38,40,42-45H2,1-5H3,(H-,49,52,53,54)/b41-39+/t46-,47+/m0/s1 JONXXLXMISNQNG-BXMSAMRLSA-N LIPID_MAPS_instance:LMSP03010027 N-(pentacosanoyl)-sphing-4-enine-1-phosphocholine N-pentacosanoylsphing-4-enine-1-phosphocholine SM(d18:1/25:0) chebi_ontology sphingomyelin d18:1/25:0 sphingomyelin 43:1 sphingomyelin d18:1 pentacosanoic acid