RefMet Compound Details

Created with Raphaƫl 2.1.0HNHOHOOHH
RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0135487
RefMet nameCer 18:1;O2/20:0
Alternative nameCer(d18:1/20:0)
Systematic nameN-(eicosanoyl)-sphing-4-enine
SynonymsPubChem Synonyms
Sum CompositionCer 38:1;O2 View other entries in RefMet with this sum composition
Exact mass593.574694 (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
FormulaC38H75NO3View other entries in RefMet with this formula
Molecular descriptors
Molfile30567 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C38H75NO3/c1-3-5-7-9-11-13-15-17-18-19-20-22-24-26-28-30-32-34-38(42)39-36(35-40)37(41)33-31-29-27-25-23-21-16-14-12-10-8
-6-4-2/h31,33,36-37,40-41H,3-30,32,34-35H2,1-2H3,(H,39,42)/b33-31+/t36-,37+/m0/s1
InChIKeyXWBWIAOWSABHFI-NUKVNZTCSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCCCCCCCCCCCCC(=O)N[C@@H](CO)[C@@H](/C=C/CCCCCCCCCCCCC)O
Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super ClassSphingolipids
Main ClassCeramides
Sub ClassCer (Ceramides)
Distribution of Cer 18:1;O2/20:0 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 18:1;O2/20:0
External Links
Pubchem CID5283566
LIPID MAPSLMSP02010007
ChEBI ID72962
KEGG IDC00422
HMDB IDHMDB0004951
Chemspider ID4446679
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 18:1;O2/20:0

Rxn IDKEGG ReactionEnzyme
R01350 Glycerol + Fatty acid <=> TriacylglycerolGlycerol acylhydrolase
R02250 Triacylglycerol + H2O <=> 1,2-Diacyl-sn-glycerol + Fatty acidtriacylglycerol acylhydrolase
R02251 Triacylglycerol + CoA <=> 1,2-Diacyl-sn-glycerol + Acyl-CoAacyl-CoA:1,2-diacyl-sn-glycerol O-acyltransferase
R05333 Phospholipid + 1,2-Diacyl-sn-glycerol <=> Lysophospholipid + TriacylglycerolPhospholipid:1,2-diacyl-sn-glycerol O-acyltransferase

Table of KEGG human pathways containing Cer 18:1;O2/20:0

Pathway IDHuman Pathway# of reactions
hsa00561 Glycerolipid metabolism 3
hsa01100 Metabolic pathways 1
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