Structure database (LMSD)

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LM IDLMFA01030871
Common Name20:4(5Z,13Z,16Z,19Z)
Systematic Name5Z,13Z,16Z,19Z-eicosatetraenoic acid
SynonymsC20:4n-1,4,7,15
Exact Mass
304.2402 (neutral)    Calculate m/z:
FormulaC20H32O2
CategoryFatty Acyls [FA]
Main ClassFatty Acids and Conjugates [FA01]
Sub ClassUnsaturated fatty acids [FA0103]
AbbrevFA 20:4
PubChem CID52921839
InChIKeyGQFGEDPYHNAYRX-RWDPQMMFSA-N  Show lipids differing only in stereochemistry/bond geometry
InChI
InChI=1S/C20H32O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(21)22/h2,4-5,7-8,15-16H,1,3,6,9-14,17-19H2,(H,21,22)/b5-4-,8-7-,16-15-
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SMILES
C(CCC/C=C\CCCCCC/C=C\C/C=C\CC=C)(=O)O
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StatusActive
ReferencesIdentification of novel n-4 series polyunsaturated fatty acids
in a deep-sea clam, Calyptogena phaseoliformis.
Saito H.
J Chromatogr A. (2007) 1163(1-2):247-59.
Calculated physicochemical properties (?):
 Heavy Atoms22Rings0Aromatic Rings0Rotatable Bonds15
 van der Waals
Molecular Volume
358.94Topological Polar
Surface Area
37.30Hydrogen
Bond Donors
1Hydrogen
Bond Acceptors
2
 logP6.22Molar
Refractivity
96.04