RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0061645
RefMet nameCer 18:0;O3/11:0
Alternative nameCer(t18:0/11:0)
Systematic nameN-(undecanoyl)-4R-hydroxysphinganine
SynonymsPubChem Synonyms
Sum CompositionCer 29:0;O3 View other entries in RefMet with this sum composition
Exact mass485.444409 (neutral)
Calculate m/z:   
View other RefMet entries with this exact (neutral) mass:   +/- 0.05 amu   +/- 0.1 amu   +/- 0.2 amu   +/- 0.5 amu
FormulaC29H59NO4View other entries in RefMet with this formula
Molecular descriptors
Molfile87848 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C29H59NO4/c1-3-5-7-9-11-13-14-15-16-17-19-21-23-27(32)29(34)26(25-31)30-28(33)24-22-20-18-12-10-8-6-4-2/h26-27,29,31-32,3
4H,3-25H2,1-2H3,(H,30,33)/t26-,27+,29-/m0/s1
InChIKeyZRUAJHPIZJMADW-GKRYNVPLSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCCCCCCC[C@H]([C@H]([C@H](CO)NC(=O)CCCCCCCCCC)O)O
Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super ClassSphingolipids
Main ClassCeramides
Sub ClassPhytoCer (Phytoceramides)
Distribution of Cer 18:0;O3/11:0 in NMDR studies
SpeciesPlot Species distribution
Sample sourcePlot Sample source(tissue) distribution
PlatformPlatform (MS/NMR) used for detection
ChromatographyChromatography methods used for detection
StudiesNMDR Studies reporting Cer 18:0;O3/11:0
External Links
Pubchem CID145715017
LIPID MAPSLMSP02039ALX
KEGG IDC12126
Structural annotation level
Annotation level1   (1:Known structure; 2:Known regiochemistry; 3:Partial structure; 4:Sum-composition)

Table of KEGG reactions in human pathways involving Cer 18:0;O3/11:0

Rxn IDKEGG ReactionEnzyme
R06517 Acyl-CoA + Sphinganine <=> CoA + Dihydroceramideacyl-CoA:sphingosine N-acyltransferase
R06518 Dihydroceramide + H2O <=> Fatty acid + SphinganineN-acylsphingosine amidohydrolase
R06519 Dihydroceramide + 2 Ferrocytochrome b5 + Oxygen + 2 H+ <=> N-Acylsphingosine + 2 Ferricytochrome b5 + 2 H2Odihydroceramide,ferrocytochrome b5:oxygen oxidoreductase (4,5-dehydrogenating)
R06526 Dihydroceramide + 2 Ferrocytochrome b5 + Oxygen + 2 H+ <=> Phytoceramide + 2 Ferricytochrome b5 + H2Odihydroceramide,ferrocytochrome b5:oxygen oxidoreductase (C4-hydroxylating)

Table of KEGG human pathways containing Cer 18:0;O3/11:0

Pathway IDHuman Pathway# of reactions
hsa00600 Sphingolipid metabolism 4
  logo