Chemical Formula: C43H83NO3

Chemical Formula C43H83NO3

Found 104 metabolite its formula value is C43H83NO3

Cer[NS] d43:2

Cer[NS] d43:2

C43H83NO3 (661.6372607999999)


Found in mouse kidney; TwoDicalId=269; MgfFile=160827_Kidney_DHA_Neg_11; MgfId=2091 Found in mouse brain; TwoDicalId=696; MgfFile=160720_brain_AA_18_Neg; MgfId=2330

   

Cer[NSD]

N-(pentacosanoyl)-4E,14Z-sphingadienine

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxyoctadec-4-en-2-yl]pentacos-11-enamide

(Z)-N-[(E)-1,3-dihydroxyoctadec-4-en-2-yl]pentacos-11-enamide

C43H83NO3 (661.6372607999999)


   

N-[(4E,8E)-1,3-dihydroxyoctadeca-4,8-dien-2-yl]pentacosanamide

N-[(4E,8E)-1,3-dihydroxyoctadeca-4,8-dien-2-yl]pentacosanamide

C43H83NO3 (661.6372607999999)


   

N-[(4E,8E)-1,3-dihydroxyoctatriaconta-4,8-dien-2-yl]pentanamide

N-[(4E,8E)-1,3-dihydroxyoctatriaconta-4,8-dien-2-yl]pentanamide

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxynon-4-en-2-yl]tetratriacont-23-enamide

(Z)-N-[(E)-1,3-dihydroxynon-4-en-2-yl]tetratriacont-23-enamide

C43H83NO3 (661.6372607999999)


   

N-[(4E,8E)-1,3-dihydroxyhexatriaconta-4,8-dien-2-yl]heptanamide

N-[(4E,8E)-1,3-dihydroxyhexatriaconta-4,8-dien-2-yl]heptanamide

C43H83NO3 (661.6372607999999)


   

N-[(4E,8E)-1,3-dihydroxytetratriaconta-4,8-dien-2-yl]nonanamide

N-[(4E,8E)-1,3-dihydroxytetratriaconta-4,8-dien-2-yl]nonanamide

C43H83NO3 (661.6372607999999)


   

N-[(4E,8E)-1,3-dihydroxypentatriaconta-4,8-dien-2-yl]octanamide

N-[(4E,8E)-1,3-dihydroxypentatriaconta-4,8-dien-2-yl]octanamide

C43H83NO3 (661.6372607999999)


   

(23Z,26Z)-N-(1,3-dihydroxynonan-2-yl)tetratriaconta-23,26-dienamide

(23Z,26Z)-N-(1,3-dihydroxynonan-2-yl)tetratriaconta-23,26-dienamide

C43H83NO3 (661.6372607999999)


   

N-[(4E,8E)-1,3-dihydroxyheptatriaconta-4,8-dien-2-yl]hexanamide

N-[(4E,8E)-1,3-dihydroxyheptatriaconta-4,8-dien-2-yl]hexanamide

C43H83NO3 (661.6372607999999)


   

(21Z,24Z)-N-(1,3-dihydroxyundecan-2-yl)dotriaconta-21,24-dienamide

(21Z,24Z)-N-(1,3-dihydroxyundecan-2-yl)dotriaconta-21,24-dienamide

C43H83NO3 (661.6372607999999)


   

(11Z,14Z)-N-(1,3-dihydroxydocosan-2-yl)henicosa-11,14-dienamide

(11Z,14Z)-N-(1,3-dihydroxydocosan-2-yl)henicosa-11,14-dienamide

C43H83NO3 (661.6372607999999)


   

(9Z,12Z)-N-(1,3-dihydroxyheptacosan-2-yl)hexadeca-9,12-dienamide

(9Z,12Z)-N-(1,3-dihydroxyheptacosan-2-yl)hexadeca-9,12-dienamide

C43H83NO3 (661.6372607999999)


   

N-[(4E,8E)-1,3-dihydroxyhentriaconta-4,8-dien-2-yl]dodecanamide

N-[(4E,8E)-1,3-dihydroxyhentriaconta-4,8-dien-2-yl]dodecanamide

C43H83NO3 (661.6372607999999)


   

N-[(4E,8E)-1,3-dihydroxytrideca-4,8-dien-2-yl]triacontanamide

N-[(4E,8E)-1,3-dihydroxytrideca-4,8-dien-2-yl]triacontanamide

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxyhenicos-4-en-2-yl]docos-13-enamide

(Z)-N-[(E)-1,3-dihydroxyhenicos-4-en-2-yl]docos-13-enamide

C43H83NO3 (661.6372607999999)


   

(13Z,16Z)-N-(1,3-dihydroxynonadecan-2-yl)tetracosa-13,16-dienamide

(13Z,16Z)-N-(1,3-dihydroxynonadecan-2-yl)tetracosa-13,16-dienamide

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxyheptacos-4-en-2-yl]hexadec-9-enamide

(Z)-N-[(E)-1,3-dihydroxyheptacos-4-en-2-yl]hexadec-9-enamide

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxynonadec-4-en-2-yl]tetracos-13-enamide

(Z)-N-[(E)-1,3-dihydroxynonadec-4-en-2-yl]tetracos-13-enamide

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxyhexacos-4-en-2-yl]heptadec-9-enamide

(Z)-N-[(E)-1,3-dihydroxyhexacos-4-en-2-yl]heptadec-9-enamide

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxypentacos-4-en-2-yl]octadec-9-enamide

(Z)-N-[(E)-1,3-dihydroxypentacos-4-en-2-yl]octadec-9-enamide

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxytridec-4-en-2-yl]triacont-19-enamide

(Z)-N-[(E)-1,3-dihydroxytridec-4-en-2-yl]triacont-19-enamide

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxyheptadec-4-en-2-yl]hexacos-15-enamide

(Z)-N-[(E)-1,3-dihydroxyheptadec-4-en-2-yl]hexacos-15-enamide

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxytriacont-4-en-2-yl]tridec-9-enamide

(Z)-N-[(E)-1,3-dihydroxytriacont-4-en-2-yl]tridec-9-enamide

C43H83NO3 (661.6372607999999)


   

(9Z,12Z)-N-(1,3-dihydroxytetracosan-2-yl)nonadeca-9,12-dienamide

(9Z,12Z)-N-(1,3-dihydroxytetracosan-2-yl)nonadeca-9,12-dienamide

C43H83NO3 (661.6372607999999)


   

(9Z,12Z)-N-(1,3-dihydroxypentacosan-2-yl)octadeca-9,12-dienamide

(9Z,12Z)-N-(1,3-dihydroxypentacosan-2-yl)octadeca-9,12-dienamide

C43H83NO3 (661.6372607999999)


   

(17Z,20Z)-N-(1,3-dihydroxypentadecan-2-yl)octacosa-17,20-dienamide

(17Z,20Z)-N-(1,3-dihydroxypentadecan-2-yl)octacosa-17,20-dienamide

C43H83NO3 (661.6372607999999)


   

N-[(4E,8E)-1,3-dihydroxytritriaconta-4,8-dien-2-yl]decanamide

N-[(4E,8E)-1,3-dihydroxytritriaconta-4,8-dien-2-yl]decanamide

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxydocos-4-en-2-yl]henicos-11-enamide

(Z)-N-[(E)-1,3-dihydroxydocos-4-en-2-yl]henicos-11-enamide

C43H83NO3 (661.6372607999999)


   

(13Z,16Z)-N-(1,3-dihydroxyhenicosan-2-yl)docosa-13,16-dienamide

(13Z,16Z)-N-(1,3-dihydroxyhenicosan-2-yl)docosa-13,16-dienamide

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxyundec-4-en-2-yl]dotriacont-21-enamide

(Z)-N-[(E)-1,3-dihydroxyundec-4-en-2-yl]dotriacont-21-enamide

C43H83NO3 (661.6372607999999)


   

N-[(4E,8E)-1,3-dihydroxydotriaconta-4,8-dien-2-yl]undecanamide

N-[(4E,8E)-1,3-dihydroxydotriaconta-4,8-dien-2-yl]undecanamide

C43H83NO3 (661.6372607999999)


   

N-[(4E,8E)-1,3-dihydroxydodeca-4,8-dien-2-yl]hentriacontanamide

N-[(4E,8E)-1,3-dihydroxydodeca-4,8-dien-2-yl]hentriacontanamide

C43H83NO3 (661.6372607999999)


   

(19Z,22Z)-N-(1,3-dihydroxytridecan-2-yl)triaconta-19,22-dienamide

(19Z,22Z)-N-(1,3-dihydroxytridecan-2-yl)triaconta-19,22-dienamide

C43H83NO3 (661.6372607999999)


   

(15Z,18Z)-N-(1,3-dihydroxyheptadecan-2-yl)hexacosa-15,18-dienamide

(15Z,18Z)-N-(1,3-dihydroxyheptadecan-2-yl)hexacosa-15,18-dienamide

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxypentadec-4-en-2-yl]octacos-17-enamide

(Z)-N-[(E)-1,3-dihydroxypentadec-4-en-2-yl]octacos-17-enamide

C43H83NO3 (661.6372607999999)


   

(9Z,12Z)-N-(1,3-dihydroxyhexacosan-2-yl)heptadeca-9,12-dienamide

(9Z,12Z)-N-(1,3-dihydroxyhexacosan-2-yl)heptadeca-9,12-dienamide

C43H83NO3 (661.6372607999999)


   

N-[(4E,8E)-1,3-dihydroxyhexacosa-4,8-dien-2-yl]heptadecanamide

N-[(4E,8E)-1,3-dihydroxyhexacosa-4,8-dien-2-yl]heptadecanamide

C43H83NO3 (661.6372607999999)


   

N-[(4E,8E)-1,3-dihydroxytricosa-4,8-dien-2-yl]icosanamide

N-[(4E,8E)-1,3-dihydroxytricosa-4,8-dien-2-yl]icosanamide

C43H83NO3 (661.6372607999999)


   

N-[(4E,8E)-1,3-dihydroxyhenicosa-4,8-dien-2-yl]docosanamide

N-[(4E,8E)-1,3-dihydroxyhenicosa-4,8-dien-2-yl]docosanamide

C43H83NO3 (661.6372607999999)


   

N-[(4E,8E)-1,3-dihydroxytetracosa-4,8-dien-2-yl]nonadecanamide

N-[(4E,8E)-1,3-dihydroxytetracosa-4,8-dien-2-yl]nonadecanamide

C43H83NO3 (661.6372607999999)


   

N-[(4E,8E)-1,3-dihydroxynonacosa-4,8-dien-2-yl]tetradecanamide

N-[(4E,8E)-1,3-dihydroxynonacosa-4,8-dien-2-yl]tetradecanamide

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxytricos-4-en-2-yl]icos-11-enamide

(Z)-N-[(E)-1,3-dihydroxytricos-4-en-2-yl]icos-11-enamide

C43H83NO3 (661.6372607999999)


   

N-[(4E,8E)-1,3-dihydroxypentadeca-4,8-dien-2-yl]octacosanamide

N-[(4E,8E)-1,3-dihydroxypentadeca-4,8-dien-2-yl]octacosanamide

C43H83NO3 (661.6372607999999)


   

N-[(4E,8E)-1,3-dihydroxydocosa-4,8-dien-2-yl]henicosanamide

N-[(4E,8E)-1,3-dihydroxydocosa-4,8-dien-2-yl]henicosanamide

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxynonacos-4-en-2-yl]tetradec-9-enamide

(Z)-N-[(E)-1,3-dihydroxynonacos-4-en-2-yl]tetradec-9-enamide

C43H83NO3 (661.6372607999999)


   

N-[(4E,8E)-1,3-dihydroxypentacosa-4,8-dien-2-yl]octadecanamide

N-[(4E,8E)-1,3-dihydroxypentacosa-4,8-dien-2-yl]octadecanamide

C43H83NO3 (661.6372607999999)


   

N-[(4E,8E)-1,3-dihydroxyoctacosa-4,8-dien-2-yl]pentadecanamide

N-[(4E,8E)-1,3-dihydroxyoctacosa-4,8-dien-2-yl]pentadecanamide

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxyoctacos-4-en-2-yl]pentadec-9-enamide

(Z)-N-[(E)-1,3-dihydroxyoctacos-4-en-2-yl]pentadec-9-enamide

C43H83NO3 (661.6372607999999)


   

N-[(4E,8E)-1,3-dihydroxyheptacosa-4,8-dien-2-yl]hexadecanamide

N-[(4E,8E)-1,3-dihydroxyheptacosa-4,8-dien-2-yl]hexadecanamide

C43H83NO3 (661.6372607999999)


   

N-[(4E,8E)-1,3-dihydroxyicosa-4,8-dien-2-yl]tricosanamide

N-[(4E,8E)-1,3-dihydroxyicosa-4,8-dien-2-yl]tricosanamide

C43H83NO3 (661.6372607999999)


   

N-[(4E,8E)-1,3-dihydroxytriaconta-4,8-dien-2-yl]tridecanamide

N-[(4E,8E)-1,3-dihydroxytriaconta-4,8-dien-2-yl]tridecanamide

C43H83NO3 (661.6372607999999)


   

(11Z,14Z)-N-(1,3-dihydroxytricosan-2-yl)icosa-11,14-dienamide

(11Z,14Z)-N-(1,3-dihydroxytricosan-2-yl)icosa-11,14-dienamide

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxytetracos-4-en-2-yl]nonadec-9-enamide

(Z)-N-[(E)-1,3-dihydroxytetracos-4-en-2-yl]nonadec-9-enamide

C43H83NO3 (661.6372607999999)


   

N-[(4E,8E)-1,3-dihydroxytetradeca-4,8-dien-2-yl]nonacosanamide

N-[(4E,8E)-1,3-dihydroxytetradeca-4,8-dien-2-yl]nonacosanamide

C43H83NO3 (661.6372607999999)


   

N-[(4E,8E)-1,3-dihydroxyheptadeca-4,8-dien-2-yl]hexacosanamide

N-[(4E,8E)-1,3-dihydroxyheptadeca-4,8-dien-2-yl]hexacosanamide

C43H83NO3 (661.6372607999999)


   

N-[(4E,8E)-1,3-dihydroxyhexadeca-4,8-dien-2-yl]heptacosanamide

N-[(4E,8E)-1,3-dihydroxyhexadeca-4,8-dien-2-yl]heptacosanamide

C43H83NO3 (661.6372607999999)


   

N-[(4E,8E)-1,3-dihydroxynonadeca-4,8-dien-2-yl]tetracosanamide

N-[(4E,8E)-1,3-dihydroxynonadeca-4,8-dien-2-yl]tetracosanamide

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxyhenicos-4-en-2-yl]docos-11-enamide

(Z)-N-[(E)-1,3-dihydroxyhenicos-4-en-2-yl]docos-11-enamide

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxyhexadec-4-en-2-yl]heptacos-12-enamide

(Z)-N-[(E)-1,3-dihydroxyhexadec-4-en-2-yl]heptacos-12-enamide

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxypentadec-4-en-2-yl]octacos-13-enamide

(Z)-N-[(E)-1,3-dihydroxypentadec-4-en-2-yl]octacos-13-enamide

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxynonadec-4-en-2-yl]tetracos-11-enamide

(Z)-N-[(E)-1,3-dihydroxynonadec-4-en-2-yl]tetracos-11-enamide

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxyheptacos-4-en-2-yl]hexadec-7-enamide

(Z)-N-[(E)-1,3-dihydroxyheptacos-4-en-2-yl]hexadec-7-enamide

C43H83NO3 (661.6372607999999)


   

(10Z,12Z)-N-(1,3-dihydroxypentacosan-2-yl)octadeca-10,12-dienamide

(10Z,12Z)-N-(1,3-dihydroxypentacosan-2-yl)octadeca-10,12-dienamide

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxypentacos-4-en-2-yl]octadec-11-enamide

(Z)-N-[(E)-1,3-dihydroxypentacos-4-en-2-yl]octadec-11-enamide

C43H83NO3 (661.6372607999999)


   

(4Z,7Z)-N-(1,3-dihydroxyheptacosan-2-yl)hexadeca-4,7-dienamide

(4Z,7Z)-N-(1,3-dihydroxyheptacosan-2-yl)hexadeca-4,7-dienamide

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxydocos-4-en-2-yl]henicos-9-enamide

(Z)-N-[(E)-1,3-dihydroxydocos-4-en-2-yl]henicos-9-enamide

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxyheptadec-4-en-2-yl]hexacos-11-enamide

(Z)-N-[(E)-1,3-dihydroxyheptadec-4-en-2-yl]hexacos-11-enamide

C43H83NO3 (661.6372607999999)


   

(18Z,21Z)-N-(1,3-dihydroxynonadecan-2-yl)tetracosa-18,21-dienamide

(18Z,21Z)-N-(1,3-dihydroxynonadecan-2-yl)tetracosa-18,21-dienamide

C43H83NO3 (661.6372607999999)


   

(14Z,16Z)-N-(1,3-dihydroxyhenicosan-2-yl)docosa-14,16-dienamide

(14Z,16Z)-N-(1,3-dihydroxyhenicosan-2-yl)docosa-14,16-dienamide

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxyicos-4-en-2-yl]tricos-11-enamide

(Z)-N-[(E)-1,3-dihydroxyicos-4-en-2-yl]tricos-11-enamide

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxytetradec-4-en-2-yl]nonacos-14-enamide

(Z)-N-[(E)-1,3-dihydroxytetradec-4-en-2-yl]nonacos-14-enamide

C43H83NO3 (661.6372607999999)


   

(11Z,14Z)-N-(1,3-dihydroxyheptadecan-2-yl)hexacosa-11,14-dienamide

(11Z,14Z)-N-(1,3-dihydroxyheptadecan-2-yl)hexacosa-11,14-dienamide

C43H83NO3 (661.6372607999999)


   

(13Z,16Z)-N-(1,3-dihydroxypentadecan-2-yl)octacosa-13,16-dienamide

(13Z,16Z)-N-(1,3-dihydroxypentadecan-2-yl)octacosa-13,16-dienamide

C43H83NO3 (661.6372607999999)


   

(Z)-N-[(E)-1,3-dihydroxytriacont-4-en-2-yl]tridec-8-enamide

(Z)-N-[(E)-1,3-dihydroxytriacont-4-en-2-yl]tridec-8-enamide

C43H83NO3 (661.6372607999999)


   

N-[(2S,3R,4E,8E)-1,3-dihydroxyhenicosa-4,8-dien-2-yl]docosanamide

N-[(2S,3R,4E,8E)-1,3-dihydroxyhenicosa-4,8-dien-2-yl]docosanamide

C43H83NO3 (661.6372607999999)


   

(E)-N-[(E,2S,3R)-1,3-dihydroxyhenicos-4-en-2-yl]docos-13-enamide

(E)-N-[(E,2S,3R)-1,3-dihydroxyhenicos-4-en-2-yl]docos-13-enamide

C43H83NO3 (661.6372607999999)


   

(E)-N-[(E,2S,3R)-1,3-dihydroxynonadec-8-en-2-yl]tetracos-15-enamide

(E)-N-[(E,2S,3R)-1,3-dihydroxynonadec-8-en-2-yl]tetracos-15-enamide

C43H83NO3 (661.6372607999999)


   

(E)-N-[(E,2S,3R)-1,3-dihydroxyheptadec-8-en-2-yl]hexacos-17-enamide

(E)-N-[(E,2S,3R)-1,3-dihydroxyheptadec-8-en-2-yl]hexacos-17-enamide

C43H83NO3 (661.6372607999999)


   

N-[(2S,3R,4E,8E)-1,3-dihydroxydocosa-4,8-dien-2-yl]henicosanamide

N-[(2S,3R,4E,8E)-1,3-dihydroxydocosa-4,8-dien-2-yl]henicosanamide

C43H83NO3 (661.6372607999999)


   

N-[(2S,3R,4E,14E)-1,3-dihydroxyoctadeca-4,14-dien-2-yl]pentacosanamide

N-[(2S,3R,4E,14E)-1,3-dihydroxyoctadeca-4,14-dien-2-yl]pentacosanamide

C43H83NO3 (661.6372607999999)


   

(E)-N-[(E,2S,3R)-1,3-dihydroxynonadec-4-en-2-yl]tetracos-15-enamide

(E)-N-[(E,2S,3R)-1,3-dihydroxynonadec-4-en-2-yl]tetracos-15-enamide

C43H83NO3 (661.6372607999999)


   

N-[(2S,3R,4E,8E)-1,3-dihydroxyoctadeca-4,8-dien-2-yl]pentacosanamide

N-[(2S,3R,4E,8E)-1,3-dihydroxyoctadeca-4,8-dien-2-yl]pentacosanamide

C43H83NO3 (661.6372607999999)


   

N-[(2S,3R,4E,8E)-1,3-dihydroxyicosa-4,8-dien-2-yl]tricosanamide

N-[(2S,3R,4E,8E)-1,3-dihydroxyicosa-4,8-dien-2-yl]tricosanamide

C43H83NO3 (661.6372607999999)


   

N-[(2S,3R,4E,8E)-1,3-dihydroxyheptadeca-4,8-dien-2-yl]hexacosanamide

N-[(2S,3R,4E,8E)-1,3-dihydroxyheptadeca-4,8-dien-2-yl]hexacosanamide

C43H83NO3 (661.6372607999999)


   

N-[(2S,3R,4E,8E)-1,3-dihydroxynonadeca-4,8-dien-2-yl]tetracosanamide

N-[(2S,3R,4E,8E)-1,3-dihydroxynonadeca-4,8-dien-2-yl]tetracosanamide

C43H83NO3 (661.6372607999999)


   

(E)-N-[(E,2S,3R)-1,3-dihydroxyhenicos-8-en-2-yl]docos-13-enamide

(E)-N-[(E,2S,3R)-1,3-dihydroxyhenicos-8-en-2-yl]docos-13-enamide

C43H83NO3 (661.6372607999999)


   

(E)-N-[(E,2S,3R)-1,3-dihydroxyheptadec-4-en-2-yl]hexacos-17-enamide

(E)-N-[(E,2S,3R)-1,3-dihydroxyheptadec-4-en-2-yl]hexacos-17-enamide

C43H83NO3 (661.6372607999999)


   

N-hexacosenoyl-15-methylhexadecasphingosine

N-hexacosenoyl-15-methylhexadecasphingosine

C43H83NO3 (661.6372607999999)


An N-acyl-15-methylhexadecasphing-4-enine in which the acyl group has 26 carbons and 1 double bond. It is a metabolite of the nematode Caenorhabditis elegans.