RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0028865
RefMet nameCer 19:1;O2/25:0
Alternative nameCer(d19:1/25:0)
Systematic nameN-(pentacosanoyl)-4E-nonadecasphingenine
SynonymsPubChem Synonyms
Sum CompositionCer 44:1;O2 View other entries in RefMet with this sum composition
Exact mass677.668594 (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
FormulaC44H87NO3View other entries in RefMet with this formula
Molecular descriptors
Molfile87538 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C44H87NO3/c1-3-5-7-9-11-13-15-17-19-20-21-22-23-24-25-26-28-30-32-34-36-38-40-44(48)45-42(41-46)43(47)39-37-35-33-31-29-2
7-18-16-14-12-10-8-6-4-2/h37,39,42-43,46-47H,3-36,38,40-41H2,1-2H3,(H,45,48)/b39-37+/t42-,43+/m0/s1
InChIKeyBFBHUHQFHBXUEH-GVOPMEMSSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCCCCCCCCCCCCCCCCCC(=O)N[C@@H](CO)[C@@H](/C=C/CCCCCCCCCCCCCC)O
Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super ClassSphingolipids
Main ClassCeramides
Sub ClassCer (Ceramides)
Distribution of Cer 19:1;O2/25:0 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 19:1;O2/25:0
External Links
Pubchem CID134720711
LIPID MAPSLMSP02019BVI
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 19:1;O2/25:0

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 19:1;O2/25:0

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