N-hexacosenoylsphingosine-1-phosphocholine N-(17Z-hexacosenoyl)-sphingosine-1-phosphocholine (2S,3R,4E)-2-[(17Z)-hexacos-17-enoylamino]-3-hydroxyoctadec-4-en-1-yl 2-(trimethylammonio)ethyl phosphate 840.708 841.27800 A N-hexacosenoylsphingosine-1-phosphocholine consisting of sphingosine as the sphingoid base acylated at the N atom by a (17Z)-hexacosenoyl group. C26:1 Sphingomyelin C49H97N2O6P CCCCCCCCCCCCC\C=C\[C@@H](O)[C@H](COP([O-])(=O)OCC[N+](C)(C)C)NC(=O)CCCCCCCCCCCCCCC\C=C/CCCCCCCC CHEBI:84476 HMDB:HMDB0013461 InChI=1S/C49H97N2O6P/c1-6-8-10-12-14-16-18-20-21-22-23-24-25-26-27-28-29-31-33-35-37-39-41-43-49(53)50-47(46-57-58(54,55)56-45-44-51(3,4)5)48(52)42-40-38-36-34-32-30-19-17-15-13-11-9-7-2/h20-21,40,42,47-48,52H,6-19,22-39,41,43-46H2,1-5H3,(H-,50,53,54,55)/b21-20-,42-40+/t47-,48+/m0/s1 LIPID_MAPS_instance:LMSP03010009 N-(17Z-hexacosenoyl)-sphing-4-enine-1-phosphocholine SM(d18:1/26:1(17Z)) YXEXWUZHFGYOHJ-UOJCCMJYSA-N chebi_ontology