Metabolomics Structure Database

MDLMOL SDF CSV TSV

MW REGNO:	1157
Common Name:	Omega-3-Arachidonic acid
Systematic Name:	8Z,11Z,14Z,17Z-eicosatetraenoic acid
RefMet Name:	omega-3-Arachidonic acid
Synonyms:	C20:4n-3,6,9,12 [PubChem Synonyms]
Exact Mass:	304.2402 (neutral)    Calculate m/z: (Choose adduct) [M+H]+ [M+H-H2O]+ [M.]+ [M+2H]2+ [M+3H]3+ [M+4H]4+ [M+K]+ [M+2K]2+ [M-H+2K]+ [M+Na]+ [M+2Na]2+ [M-H+2Na]+ [M+Li]+ [M+2Li]2+ [M+NH4]+ [M-H]- [M-2H]2- [M-3H]3- [M-4H]4- [M+Cl]- [M+OAc]- [M+HCOO]- M(neutral)
Formula:	C20H32O2
InChIKey:	HQPCSDADVLFHHO-LTKCOYKYSA-N
LIPID MAPS Category:	Fatty Acyls [FA]
LIPID MAPS mainclass:	Fatty Acids and Conjugates [FA01]
LIPID MAPS subclass:	Unsaturated fatty acids [FA0103]
SMILES:	CC/C=CC/C=CC/C=CC/C=CCCCCCCC(=O)O
Studies:	Available studies (via RefMet name)

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All Database Links Calculated Properties Human Pathways

External database links:

PubChem CID:	11722594
LIPID MAPS ID:	LMFA01030818
CHEBI ID:	71488
HMDB ID:	HMDB0002177
Chemspider ID:	9897310
Plant Metabolite Hub(Pmhub):	MS000053618

Calculated physicochemical properties (?):

Heavy Atoms:	22
Rings:	0
Aromatic Rings:	0
Rotatable Bonds:	14
van der Waals Molecular volume:	358.94 Å3 molecule-1
Toplogical Polar Sufrace Area:	37.30 Å2 molecule-1
Hydrogen Bond Donors:	1
Hydrogen Bond Acceptors:	2
logP:	6.22
Molar Refractivity:	96.04
Fraction sp3 Carbons:	0.55
sp3 Carbons:	11

Human Pathway links:

HMDB and KEGG pathways containing this metabolite

References

LIPID MAPS classification: "Update of the LIPID MAPS comprehensive classification system for lipids", Fahy E, Subramaniam S, Murphy RC, Nishijima M, Raetz CR, Shimizu T, Spener F, van Meer G, Wakelam MJ, and Dennis EA, J. Lipid Res. (2009) 50: S9-S14. DOI: 10.1194/jlr.R800095-JLR200
ClassyFire classification: "ClassyFire: automated chemical classification with a comprehensive, computable taxonomy", Djoumbou Feunang Y, Eisner R, Knox C, Chepelev L, Hastings J, Owen G, Fahy E, Steinbeck C, Subramanian S, Bolton E, Greiner R, and Wishart DS, J. Cheminformatics (2016) 8:61. DOI: 10.1186/s13321-016-0174-y