RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0054094
RefMet namePC O-18:0/21:0
Alternative namePC(O-18:0/21:0)
Systematic name1-octadecyl-2-heneicosanoyl-sn-glycero-3-phosphocholine
SynonymsPubChem Synonyms
Sum CompositionPC O-39:0 View other entries in RefMet with this sum composition
Exact mass817.692442 (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
FormulaC47H96NO7PView other entries in RefMet with this formula
Molecular descriptors
Molfile14761 (Download molfile/View MW Metabolite Database details)
InChIInChI=1S/C47H96NO7P/c1-6-8-10-12-14-16-18-20-22-24-25-26-28-30-32-34-36-38-40-47(49)55-46(45-54-56(50,51)53-43-41-48(3,4)5)44-52-4
2-39-37-35-33-31-29-27-23-21-19-17-15-13-11-9-7-2/h46H,6-45H2,1-5H3/t46-/m1/s1
InChIKeyCWYKHICYXOTGKN-YACUFSJGSA-NView other enantiomers/diastereomers of this metabolite in RefMet
SMILESCCCCCCCCCCCCCCCCCCCCC(=O)O[C@H](COCCCCCCCCCCCCCCCCCC)COP(=O)([O-])OCC[N+](C)(C)C
Run Tanimoto similarity search (with similarity coefficient >=0.6)
Chemical/Biochemical Classification
Super ClassGlycerophospholipids
Main ClassGlycerophosphocholines
Sub ClassO-PC (Ether Phosphatidylcholines)
Distribution of PC O-18:0/21:0 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 PC O-18:0/21:0
External Links
Pubchem CID52923800
LIPID MAPSLMGP01020212
KEGG IDC05212
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 PC O-18:0/21:0

Rxn IDKEGG ReactionEnzyme
R03438 Acyl-CoA + 1-Organyl-2-lyso-sn-glycero-3-phosphocholine <=> CoA + 1-Radyl-2-acyl-sn-glycero-3-phosphocholineAcyl-CoA:1-alkyl-sn-glycero-3-phosphocholine O-acyltransferase
R07387 1-Radyl-2-acyl-sn-glycero-3-phosphocholine + H2O <=> 1-Organyl-2-lyso-sn-glycero-3-phosphocholine + Carboxylateplasmanylcholine 2-acylhydrolase
R07389 1-Alkyl-2-acylglycerol + CDP-choline <=> 1-Radyl-2-acyl-sn-glycero-3-phosphocholine + CMP1-Alkyl-2-acylglycerol + CDP-choline <=> 1-Radyl-2-acyl-sn-glycero-3-phosphocholine + CMP

Table of KEGG human pathways containing PC O-18:0/21:0

Pathway IDHuman Pathway# of reactions
hsa00565 Ether lipid metabolism 3
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