RefMet Compound Details

RefMet ID, RefMet name, exact mass and formula
RefMet IDRM0139661
RefMet nameOctadecatrienoic acid
Alternative nameFA 18:3
Sum CompositionFA 18:3 View other entries in RefMet with this sum composition
Exact mass278.224580 (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
FormulaC18H30O2View other entries in RefMet with this formula
Chemical/Biochemical Classification
Super ClassFatty Acyls
Main ClassFatty acids
Sub ClassUnsaturated FA
Distribution of Octadecatrienoic acid 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 Octadecatrienoic acid
External Links
ChEBI ID132502
KEGG IDC06427
Structural annotation level
Annotation level3   (1:Known structure; 2:Known regiochemistry; 3:Partial structure; 4:Sum-composition)
Abbrev# of StudiesRefmet name(exact structures)Systematic name
FA 18:3126alpha-Linolenic acid9Z,12Z,15Z-octadecatrienoic acid
FA 18:3101gamma-Linolenic acid6Z,9Z,12Z-octadecatrienoic acid
FA 18:312Pinolenic acid5Z,9Z,12Z-octadecatrienoic acid
FA 18:349,12,14-Octadecatrienoic acid9,12,14-octadecatrienoic acid
FA 18:3210,12,15-Octadecatrienoic acid10,12,15-octadecatrienoic acid
FA 18:329E,12Z,15Z-Octadecatrienoic acid9E,12Z,15Z-octadecatrienoic acid
FA 18:32Elaidolinolenic acid9E,12E,15E-octadecatrienoic acid
FA 18:31Ximenynic acid11E-octadecen-9-ynoic acid
FA 18:3Gorlic acid13R-(2-cyclopenten-1-yl)-6Z-tridecenoic acid

Table of KEGG reactions in human pathways involving Octadecatrienoic acid

Rxn IDKEGG ReactionEnzyme
R07859 Phosphatidylcholine + H2O <=> 1-Acyl-sn-glycero-3-phosphocholine + (9Z,12Z,15Z)-Octadecatrienoic acidPhosphatidylcholine + H2O <=> 1-Acyl-sn-glycero-3-phosphocholine + (9Z,12Z,15Z)-Octadecatrienoic acid
R07860 Phosphatidylcholine + H2O <=> 2-Acyl-sn-glycero-3-phosphocholine + (9Z,12Z,15Z)-Octadecatrienoic acidPhosphatidylcholine + H2O <=> 2-Acyl-sn-glycero-3-phosphocholine + (9Z,12Z,15Z)-Octadecatrienoic acid
R07861 (9Z,12Z,15Z)-Octadecatrienoic acid + Reduced acceptor + Oxygen <=> Stearidonic acid + Acceptor + 2 H2O(9Z,12Z,15Z)-Octadecatrienoic acid + Reduced acceptor + Oxygen <=> Stearidonic acid + Acceptor + 2 H2O
R08178 (9Z,12Z,15Z)-Octadecatrienoyl-CoA + H2O <=> CoA + (9Z,12Z,15Z)-Octadecatrienoic acid(9Z,12Z,15Z)-Octadecatrienoyl-CoA + H2O <=> CoA + (9Z,12Z,15Z)-Octadecatrienoic acid

Table of KEGG human pathways containing Octadecatrienoic acid

Pathway IDHuman Pathway# of reactions
hsa00592 alpha-Linolenic acid metabolism 3
hsa01040 Biosynthesis of unsaturated fatty acids 1
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