RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0030405
RefMet nameCer 21:1;O2/11:0
Alternative nameCer(d21:1/11:0)
Systematic nameN-(undecanoyl)-4E-heneicosasphingenine
SynonymsPubChem Synonyms
Sum CompositionCer 32:1;O2 View other entries in RefMet with this sum composition
Exact mass509.480794 (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
FormulaC32H63NO3View other entries in RefMet with this formula
Molecular descriptors
Molfile87638 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C32H63NO3/c1-3-5-7-9-11-13-14-15-16-17-18-19-20-21-23-25-27-31(35)30(29-34)33-32(36)28-26-24-22-12-10-8-6-4-2/h25,27,30-3
1,34-35H,3-24,26,28-29H2,1-2H3,(H,33,36)/b27-25+/t30-,31+/m0/s1
InChIKeyXPSIIHNQCOOCBV-JHRQRACZSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCCCCCCCCC/C=C/[C@H]([C@H](CO)NC(=O)CCCCCCCCCC)O
Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super ClassSphingolipids
Main ClassCeramides
Sub ClassCer (Ceramides)
Distribution of Cer 21:1;O2/11:0 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 21:1;O2/11:0
External Links
Pubchem CID145714864
LIPID MAPSLMSP02019CAL
KEGG IDC00422
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 21:1;O2/11:0

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 21:1;O2/11:0

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