Record Information
Version 1.0
Update Date 1/22/2018 12:54:54 PM
Metabolite IDPAMDB120150
Identification
Name: eicosapentaenoate
Description:An icosapentaenoate that is the conjugate base of all-cis-5,8,11,14,17-icosapentaenoic acid, arising from deprotonation of the carboxylic acid group.
Structure
Thumb
Synonyms:
  • (5Z,8Z,11Z,14Z,17Z)-eicosapentaenoate
  • (EPA; 20:5n3)
  • all-cis-5,8,11,14,17-eicosapentaenoate
  • all-cis-5,8,11,14,17-icosapentaenoate
  • cis5,8,11,14,17-eicosapentaenoate
  • eicosapentaenoate
  • icosapentaenoate
Chemical Formula: C20H29O2
Average Molecular Weight: 301.448
Monoisotopic Molecular Weight: 302.22458
InChI Key: JAZBEHYOTPTENJ-RCHUDCCISA-M
InChI:InChI=1S/C20H30O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(21)22/h3-4,6-7,9-10,12-13,15-16H,2,5,8,11,14,17-19H2,1H3,(H,21,22)/p-1/b4-3+,7-6+,10-9+,13-12+,16-15+
CAS number: 10417-94-4
IUPAC Name:(5Z,8Z,11Z,14Z,17Z)-icosa-5,8,11,14,17-pentaenoate
Traditional IUPAC Name: eicosapentaenoic acid
SMILES:CCC=CCC=CCC=CCC=CCC=CCCCC(=O)[O-]
Chemical Taxonomy
Taxonomy DescriptionThis compound belongs to the class of organic compounds known as long-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 13 and 21 carbon atoms.
Kingdom Organic compounds
Super ClassLipids and lipid-like molecules
Class Fatty Acyls
Sub ClassFatty acids and conjugates
Direct Parent Long-chain fatty acids
Alternative Parents
Substituents
  • Long-chain fatty acid
  • Unsaturated fatty acid
  • Straight chain fatty acid
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Carboxylic acid derivative
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Carbonyl group
  • Aliphatic acyclic compound
Molecular Framework Aliphatic acyclic compounds
External Descriptors
Physical Properties
State: Solid
Charge:-1
Melting point: Not Available
Experimental Properties:
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
Water Solubility0.000289 mg/mLALOGPS
logP6.53ALOGPS
logP6.23ChemAxon
logS-6ALOGPS
pKa (Strongest Acidic)4.82ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area37.3 Å2ChemAxon
Rotatable Bond Count13ChemAxon
Refractivity101.07 m3·mol-1ChemAxon
Polarizability35.93 Å3ChemAxon
Number of Rings0ChemAxon
Bioavailability0ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Biological Properties
Cellular Locations: Not Available
Reactions:
Pathways:
  • Alpha Linolenic Acid and Linoleic Acid Metabolism pae00592
Spectra
Spectra:
Spectrum TypeDescriptionSplash Key
GC-MSGC-MS Spectrum - GC-MS (1 TMS)splash10-004l-9700000000-09ea61ed836b88205028View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, PositiveNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, PositiveNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, PositiveNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, NegativeNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, NegativeNot Available
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, NegativeNot Available
MSMass Spectrum (Electron Ionization)splash10-05ox-9400000000-567226e93d65502352cdView in MoNA
References
References:
  • Hino K, Murakami Y, Nagai A, Kitase A, Hara Y, Furutani T, Ren F, Yamaguchi Y, Yutoku K, Yamashita S, Okuda M, Okita M, Okita K: Alpha-tocopherol [corrected] and ascorbic acid attenuates the ribavirin [corrected] induced decrease of eicosapentaenoic acid in erythrocyte membrane in chronic hepatitis C patients. J Gastroenterol Hepatol. 2006 Aug;21(8):1269-75. [16872308 ]
  • Francois CA, Connor SL, Bolewicz LC, Connor WE: Supplementing lactating women with flaxseed oil does not increase docosahexaenoic acid in their milk. Am J Clin Nutr. 2003 Jan;77(1):226-33. [12499346 ]
  • Hafstrom I, Ringertz B, Gyllenhammar H, Palmblad J, Harms-Ringdahl M: Effects of fasting on disease activity, neutrophil function, fatty acid composition, and leukotriene biosynthesis in patients with rheumatoid arthritis. Arthritis Rheum. 1988 May;31(5):585-92. [2837251 ]
  • Woodman RJ, Mori TA, Burke V, Puddey IB, Barden A, Watts GF, Beilin LJ: Effects of purified eicosapentaenoic acid and docosahexaenoic acid on platelet, fibrinolytic and vascular function in hypertensive type 2 diabetic patients. Atherosclerosis. 2003 Jan;166(1):85-93. [12482554 ]
  • Sipka S, Dey I, Buda C, Csongor J, Szegedi G, Farkas T: The mechanism of inhibitory effect of eicosapentaenoic acid on phagocytic activity and chemotaxis of human neutrophil granulocytes. Clin Immunol Immunopathol. 1996 Jun;79(3):224-8. [8635279 ]
  • Miwa H, Yamamoto M, Futata T, Kan K, Asano T: Thin-layer chromatography and high-performance liquid chromatography for the assay of fatty acid compositions of individual phospholipids in platelets from non-insulin-dependent diabetes mellitus patients: effect of eicosapentaenoic acid ethyl ester administration. J Chromatogr B Biomed Appl. 1996 Mar 3;677(2):217-23. [8704924 ]
  • Kim HH, Shin CM, Park CH, Kim KH, Cho KH, Eun HC, Chung JH: Eicosapentaenoic acid inhibits UV-induced MMP-1 expression in human dermal fibroblasts. J Lipid Res. 2005 Aug;46(8):1712-20. Epub 2005 Jun 1. [15930517 ]
  • Gillis RC, Daley BJ, Enderson BL, Karlstad MD: Eicosapentaenoic acid and gamma-linolenic acid induce apoptosis in HL-60 cells. J Surg Res. 2002 Sep;107(1):145-53. [12384078 ]
  • Takenaga M, Hirai A, Terano T, Tamura Y, Kitagawa H, Yoshida S: Comparison of the in vitro effect of eicosapentaenoic acid (EPA)-derived lipoxygenase metabolites on human platelet function with those of arachidonic acid. Thromb Res. 1986 Feb 1;41(3):373-84. [3010490 ]
  • Hereliuk VI: [The role of arachidonic and eicosapentaenoic acid lipoxygenase products in the pathogenesis of generalized parodontosis] Fiziol Zh. 2000;46(6):112-5. [11424554 ]
  • Aas V, Rokling-Andersen MH, Kase ET, Thoresen GH, Rustan AC: Eicosapentaenoic acid (20:5 n-3) increases fatty acid and glucose uptake in cultured human skeletal muscle cells. J Lipid Res. 2006 Feb;47(2):366-74. Epub 2005 Nov 21. [16301737 ]
  • Kim HH, Cho S, Lee S, Kim KH, Cho KH, Eun HC, Chung JH: Photoprotective and anti-skin-aging effects of eicosapentaenoic acid in human skin in vivo. J Lipid Res. 2006 May;47(5):921-30. Epub 2006 Feb 7. [16467281 ]
  • Herrmann W, Beitz J: [Decreasing atherogenic risks by an eicosapentaenoic acid-rich diet] Z Gesamte Inn Med. 1987 Mar 1;42(5):117-22. [3035811 ]
  • Ide T, Okamura T, Kumashiro R, Koga Y, Hino T, Hisamochi A, Ogata K, Tanaka K, Kuwahara R, Seki R, Sata M: A pilot study of eicosapentaenoic acid therapy for ribavirin-related anemia in patients with chronic hepatitis C. Int J Mol Med. 2003 Jun;11(6):729-32. [12736713 ]
  • Dunstan JA, Roper J, Mitoulas L, Hartmann PE, Simmer K, Prescott SL: The effect of supplementation with fish oil during pregnancy on breast milk immunoglobulin A, soluble CD14, cytokine levels and fatty acid composition. Clin Exp Allergy. 2004 Aug;34(8):1237-42. [15298564 ]
  • Luostarinen R, Saldeen T: Dietary fish oil decreases superoxide generation by human neutrophils: relation to cyclooxygenase pathway and lysosomal enzyme release. Prostaglandins Leukot Essent Fatty Acids. 1996 Sep;55(3):167-72. [8931114 ]
  • Calzada C, Vericel E, Lagarde M: Lower levels of lipid peroxidation in human platelets incubated with eicosapentaenoic acid. Biochim Biophys Acta. 1992 Jul 29;1127(2):147-52. [1643099 ]
  • Lagarde M, Croset M, Vericel E, Calzada C: Effects of small concentrations of eicosapentaenoic acid on platelets. J Intern Med Suppl. 1989;731:177-9. [2539831 ]
  • Bays HE, Ballantyne CM, Kastelein JJ, Isaacsohn JL, Braeckman RA, Soni PN: Eicosapentaenoic acid ethyl ester (AMR101) therapy in patients with very high triglyceride levels (from the Multi-center, plAcebo-controlled, Randomized, double-blINd, 12-week study with an open-label Extension [MARINE] trial). Am J Cardiol. 2011 Sep 1;108(5):682-90. doi: 10.1016/j.amjcard.2011.04.015. Epub 2011 Jun 16. [21683321 ]
Synthesis Reference: Sandri, Jacqueline; Viala, Jacques. Syntheses of all-(Z)-5,8,11,14,17-Eicosapentaenoic Acid and all-(Z)-4,7,10,13,16,19-Docosahexaenoic Acid from (Z)-1,1,6,6-tetraisopropoxy-3-hexene. Journal of Organic Chemistry (1995), 60(20), 6627-30.
Material Safety Data Sheet (MSDS) Not Available
External Links:
ResourceLink
HMDBHMDB01999
WikipediaEicosapentaenoate
CHEBI58562
PUBCHEM25245749
LIGAND-CPDC06428