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Record Information
Version5.0
StatusDetected and Quantified
Creation Date2013-05-01 17:30:24 UTC
Update Date2021-09-14 14:58:08 UTC
HMDB IDHMDB0060053
Secondary Accession Numbers
  • HMDB60053
Metabolite Identification
Common Name9-HEPE
Description9-HEPE belongs to the class of organic compounds known as hydroxyeicosapentaenoic acids. These are eicosanoic acids with an attached hydroxyl group and five CC double bonds. 9-HEPE is an extremely weak basic (essentially neutral) compound (based on its pKa).
Structure
Data?1563866010
Synonyms
ValueSource
(5E,7E,11E,14E,17E)-9-Hydroxyicosa-5,7,11,14,17-pentaenoateGenerator
Chemical FormulaC20H30O3
Average Molecular Weight318.4504
Monoisotopic Molecular Weight318.219494826
IUPAC Name(5E,7E,11E,14E,17E)-9-hydroxyicosa-5,7,11,14,17-pentaenoic acid
Traditional Name(5E,7E,11E,14E,17E)-9-hydroxyicosa-5,7,11,14,17-pentaenoic acid
CAS Registry NumberNot Available
SMILES
CC\C=C\C\C=C\C\C=C\CC(O)\C=C\C=C\CCCC(O)=O
InChI Identifier
InChI=1S/C20H30O3/c1-2-3-4-5-6-7-8-10-13-16-19(21)17-14-11-9-12-15-18-20(22)23/h3-4,6-7,9-11,13-14,17,19,21H,2,5,8,12,15-16,18H2,1H3,(H,22,23)/b4-3+,7-6+,11-9+,13-10+,17-14+
InChI KeyOXOPDAZWPWFJEW-RZDGCYLUSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as hydroxyeicosapentaenoic acids. These are eicosanoic acids with an attached hydroxyl group and five CC double bonds.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassFatty Acyls
Sub ClassEicosanoids
Direct ParentHydroxyeicosapentaenoic acids
Alternative Parents
Substituents
  • Hydroxyeicosapentaenoic acid
  • Long-chain fatty acid
  • Hydroxy fatty acid
  • Fatty acid
  • Unsaturated fatty acid
  • Secondary alcohol
  • Carboxylic acid derivative
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Organic oxide
  • Organic oxygen compound
  • Alcohol
  • Hydrocarbon derivative
  • Carbonyl group
  • Organooxygen compound
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External DescriptorsNot Available
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateNot Available
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility0.003 g/LALOGPS
logP5.54ALOGPS
logP4.99ChemAxon
logS-5ALOGPS
pKa (Strongest Acidic)4.49ChemAxon
pKa (Strongest Basic)-1.6ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area57.53 ŲChemAxon
Rotatable Bond Count13ChemAxon
Refractivity102.59 m³·mol⁻¹ChemAxon
Polarizability38.45 ųChemAxon
Number of Rings0ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DarkChem[M+H]+188.29831661259
DarkChem[M-H]-187.76831661259
DeepCCS[M+H]+181.0430932474
DeepCCS[M-H]-178.68230932474
DeepCCS[M-2H]-211.56830932474
DeepCCS[M+Na]+187.13330932474
AllCCS[M+H]+185.632859911
AllCCS[M+H-H2O]+182.632859911
AllCCS[M+NH4]+188.332859911
AllCCS[M+Na]+189.132859911
AllCCS[M-H]-183.132859911
AllCCS[M+Na-2H]-184.732859911
AllCCS[M+HCOO]-186.732859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
9-HEPECC\C=C\C\C=C\C\C=C\CC(O)\C=C\C=C\CCCC(O)=O4310.1Standard polar33892256
9-HEPECC\C=C\C\C=C\C\C=C\CC(O)\C=C\C=C\CCCC(O)=O2411.3Standard non polar33892256
9-HEPECC\C=C\C\C=C\C\C=C\CC(O)\C=C\C=C\CCCC(O)=O2562.9Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
9-HEPE,1TMS,isomer #1CC/C=C/C/C=C/C/C=C/CC(/C=C/C=C/CCCC(=O)O)O[Si](C)(C)C2795.2Semi standard non polar33892256
9-HEPE,1TMS,isomer #2CC/C=C/C/C=C/C/C=C/CC(O)/C=C/C=C/CCCC(=O)O[Si](C)(C)C2647.8Semi standard non polar33892256
9-HEPE,2TMS,isomer #1CC/C=C/C/C=C/C/C=C/CC(/C=C/C=C/CCCC(=O)O[Si](C)(C)C)O[Si](C)(C)C2703.0Semi standard non polar33892256
9-HEPE,1TBDMS,isomer #1CC/C=C/C/C=C/C/C=C/CC(/C=C/C=C/CCCC(=O)O)O[Si](C)(C)C(C)(C)C3025.4Semi standard non polar33892256
9-HEPE,1TBDMS,isomer #2CC/C=C/C/C=C/C/C=C/CC(O)/C=C/C=C/CCCC(=O)O[Si](C)(C)C(C)(C)C2886.9Semi standard non polar33892256
9-HEPE,2TBDMS,isomer #1CC/C=C/C/C=C/C/C=C/CC(/C=C/C=C/CCCC(=O)O[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C3189.1Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - 9-HEPE GC-MS (2 TMS) - 70eV, Positivesplash10-0092-9316200000-495d980ee2e463c8e7692017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 9-HEPE GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 9-HEPE 10V, Positive-QTOFsplash10-0udi-0149000000-786bfe116969b826bb2c2019-02-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 9-HEPE 20V, Positive-QTOFsplash10-0zn9-6894000000-eca323c3b3906cd4a5872019-02-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 9-HEPE 40V, Positive-QTOFsplash10-000g-9430000000-93dbaddea8d009f27ddc2019-02-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 9-HEPE 10V, Negative-QTOFsplash10-014i-0059000000-526bf22baefd621ea91a2019-02-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 9-HEPE 20V, Negative-QTOFsplash10-00kb-1294000000-b6f2a7f91f73a65968de2019-02-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 9-HEPE 40V, Negative-QTOFsplash10-0a4l-9720000000-1796bc8223d5dbde17cb2019-02-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 9-HEPE 10V, Positive-QTOFsplash10-0udi-1149000000-9904c91e773a864123172021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 9-HEPE 20V, Positive-QTOFsplash10-0f8c-9732000000-741d25999cfcd36c0ea02021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 9-HEPE 40V, Positive-QTOFsplash10-002f-9220000000-97b03791d06b2aceb2842021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 9-HEPE 10V, Negative-QTOFsplash10-014i-0039000000-37231bbf408e098ef32b2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 9-HEPE 20V, Negative-QTOFsplash10-014j-0595000000-19090f11d9066590af102021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 9-HEPE 40V, Negative-QTOFsplash10-0avl-4950000000-1c86ac9a3ea29bcc5daf2021-10-12Wishart LabView Spectrum
Biological Properties
Cellular Locations
  • Membrane (predicted from logP)
Biospecimen Locations
  • Blood
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodDetected and Quantified0.000066 +/- 0.000014 uMAdult (>18 years old)BothNormal details
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDNot Available
KNApSAcK IDNot Available
Chemspider IDNot Available
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound122164870
PDB IDNot Available
ChEBI ID89570
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Quehenberger O, Armando AM, Brown AH, Milne SB, Myers DS, Merrill AH, Bandyopadhyay S, Jones KN, Kelly S, Shaner RL, Sullards CM, Wang E, Murphy RC, Barkley RM, Leiker TJ, Raetz CR, Guan Z, Laird GM, Six DA, Russell DW, McDonald JG, Subramaniam S, Fahy E, Dennis EA: Lipidomics reveals a remarkable diversity of lipids in human plasma. J Lipid Res. 2010 Nov;51(11):3299-305. doi: 10.1194/jlr.M009449. Epub 2010 Jul 29. [PubMed:20671299 ]
  2. Simons K, Toomre D: Lipid rafts and signal transduction. Nat Rev Mol Cell Biol. 2000 Oct;1(1):31-9. [PubMed:11413487 ]
  3. Watson AD: Thematic review series: systems biology approaches to metabolic and cardiovascular disorders. Lipidomics: a global approach to lipid analysis in biological systems. J Lipid Res. 2006 Oct;47(10):2101-11. Epub 2006 Aug 10. [PubMed:16902246 ]
  4. Sethi JK, Vidal-Puig AJ: Thematic review series: adipocyte biology. Adipose tissue function and plasticity orchestrate nutritional adaptation. J Lipid Res. 2007 Jun;48(6):1253-62. Epub 2007 Mar 20. [PubMed:17374880 ]
  5. Lingwood D, Simons K: Lipid rafts as a membrane-organizing principle. Science. 2010 Jan 1;327(5961):46-50. doi: 10.1126/science.1174621. [PubMed:20044567 ]
  6. Gunstone, Frank D., John L. Harwood, and Albert J. Dijkstra (2007). The lipid handbook with CD-ROM. CRC Press.