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Record Information
Version5.0
StatusDetected and Quantified
Creation Date2006-10-23 11:28:21 UTC
Update Date2022-03-07 02:49:25 UTC
HMDB IDHMDB0005060
Secondary Accession Numbers
  • HMDB05060
Metabolite Identification
Common NameEicosadienoic acid
DescriptionEicosadienoic acid is an omega-6 fatty acid found in human milk (PMID: 15256803 ). Omega-6 fatty acids are a family of unsaturated fatty acids which have in common a carbon-carbon double bond in the n−6 position; that is, the sixth bond from the end of the fatty acid. The biological effects of the omega−6 fatty acids are largely mediated by their conversion to n-6 eicosanoids that bind to diverse receptors found in every tissue of the body. Eicosadienoic acid has been identified in the human placenta (PMID: 32033212 ).
Structure
Data?1582752343
Synonyms
ValueSource
(11Z,14Z)-Eicosa-11,14-dienoic acidChEBI
(11Z,14Z)-Eicosadienoic acidChEBI
(11Z,14Z)-Icosa-11,14-dienoic acidChEBI
11,14-Eicosadienoic acidChEBI
11,14-Icosadienoic acidChEBI
(11Z,14Z)-Eicosa-11,14-dienoateGenerator
(11Z,14Z)-EicosadienoateGenerator
(11Z,14Z)-Icosa-11,14-dienoateGenerator
11,14-EicosadienoateGenerator
11,14-IcosadienoateGenerator
EicosadienoateGenerator
11, 14-IcosadienoateHMDB
11, 14-Icosadienoic acidHMDB
11,14-trans-Eicosadienoic acidHMDB
delta11,14-20:2HMDB
Eicosa-11,14-dienoic acidHMDB
Eicosa-11,14-dienoic acid, (Z,Z)-isomerHMDB
N-6 Eicosadienoic acidHMDB
DihomolinoleateHMDB
(11Z,14Z)-IcosadienoateHMDB
(11Z,14Z)-11,14-EicosadienateHMDB
(11Z,14Z)-11,14-Eicosadienic acidHMDB
(11Z,14Z)-11,14-EicosadienoateHMDB
(11Z,14Z)-11,14-Eicosadienoic acidHMDB
11,14-all-cis-EicosadienoateHMDB
11,14-all-cis-Eicosadienoic acidHMDB
11-cis,14-cis-EicosadienoateHMDB
11-cis,14-cis-Eicosadienoic acidHMDB
BishomolinoleateHMDB
Bishomolinoleic acidHMDB
Dihomo-linoleate (20:2n6)HMDB
Dihomo-linoleic acid (20:2n6)HMDB
FA(20:2(11Z,14Z))HMDB
Homo-gamma-linoleateHMDB
Homo-gamma-linoleic acidHMDB
Homo-γ-linoleateHMDB
Homo-γ-linoleic acidHMDB
all-cis-11,14-EicosadienoateHMDB
all-cis-11,14-Eicosadienoic acidHMDB
cis,cis-Eicosa-11,14-dienoateHMDB
cis,cis-Eicosa-11,14-dienoic acidHMDB
cis,cis-delta11,14-EicosadienoateHMDB
cis,cis-delta11,14-Eicosadienoic acidHMDB
cis,cis-Δ11,14-eicosadienoateHMDB
cis,cis-Δ11,14-eicosadienoic acidHMDB
cis-11,cis-14-EicosadienoateHMDB
cis-11,cis-14-Eicosadienoic acidHMDB
delta11,14-EicosadienoateHMDB
delta11,14-Eicosadienoic acidHMDB
Δ11,14-eicosadienoateHMDB
Δ11,14-eicosadienoic acidHMDB
FA(20:2n6)HMDB
Eicosadienoic acidChEBI
Chemical FormulaC20H36O2
Average Molecular Weight308.4986
Monoisotopic Molecular Weight308.271530396
IUPAC Name(11Z,14Z)-icosa-11,14-dienoic acid
Traditional Nameeicosadienoic acid
CAS Registry Number5598-38-9
SMILES
CCCCC\C=C/C\C=C/CCCCCCCCCC(O)=O
InChI Identifier
InChI=1S/C20H36O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(21)22/h6-7,9-10H,2-5,8,11-19H2,1H3,(H,21,22)/b7-6-,10-9-
InChI KeyXSXIVVZCUAHUJO-HZJYTTRNSA-N
Chemical Taxonomy
Description 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.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassFatty Acyls
Sub ClassFatty acids and conjugates
Direct ParentLong-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 FrameworkAliphatic acyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
Disposition
ProcessNot Available
RoleNot Available
Physical Properties
StateSolid
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling Point462.10 °C. @ 760.00 mm Hg (est)The Good Scents Company Information System
Water Solubility0.0015 mg/L @ 25 °C (est)The Good Scents Company Information System
LogP6.251Not Available
Experimental Chromatographic Properties

Experimental Collision Cross Sections

Adduct TypeData SourceCCS Value (Å2)Reference
[M-H]-Not Available182.375http://allccs.zhulab.cn/database/detail?ID=AllCCS00001850
Predicted Molecular Properties
PropertyValueSource
Water Solubility5.4e-05 g/LALOGPS
logP7.83ALOGPS
logP7.31ChemAxon
logS-6.8ALOGPS
pKa (Strongest Acidic)4.95ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area37.3 ŲChemAxon
Rotatable Bond Count16ChemAxon
Refractivity97.72 m³·mol⁻¹ChemAxon
Polarizability39.94 ųChemAxon
Number of Rings0ChemAxon
BioavailabilityNoChemAxon
Rule of FiveNoChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DarkChem[M+H]+186.78831661259
DarkChem[M-H]-186.75631661259
DeepCCS[M+H]+184.13530932474
DeepCCS[M-H]-181.77730932474
DeepCCS[M-2H]-215.74430932474
DeepCCS[M+Na]+191.69630932474
AllCCS[M+H]+186.632859911
AllCCS[M+H-H2O]+183.732859911
AllCCS[M+NH4]+189.232859911
AllCCS[M+Na]+189.932859911
AllCCS[M-H]-186.332859911
AllCCS[M+Na-2H]-188.332859911
AllCCS[M+HCOO]-190.532859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
Eicosadienoic acidCCCCC\C=C/C\C=C/CCCCCCCCCC(O)=O3473.3Standard polar33892256
Eicosadienoic acidCCCCC\C=C/C\C=C/CCCCCCCCCC(O)=O2258.4Standard non polar33892256
Eicosadienoic acidCCCCC\C=C/C\C=C/CCCCCCCCCC(O)=O2336.6Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Eicosadienoic acid,1TMS,isomer #1CCCCC/C=C\C/C=C\CCCCCCCCCC(=O)O[Si](C)(C)C2414.3Semi standard non polar33892256
Eicosadienoic acid,1TBDMS,isomer #1CCCCC/C=C\C/C=C\CCCCCCCCCC(=O)O[Si](C)(C)C(C)(C)C2664.5Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Eicosadienoic acid GC-MS (Non-derivatized) - 70eV, Positivesplash10-0006-9760000000-cd3039251f27ed6598332017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Eicosadienoic acid GC-MS (1 TMS) - 70eV, Positivesplash10-00di-9652000000-051c308924d68202698f2017-10-06Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Eicosadienoic acid GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Eicosadienoic acid GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Experimental LC-MS/MSLC-MS/MS Spectrum - Eicosadienoic acid LC-ESI-IT , negative-QTOFsplash10-000i-0091000000-cd5567f72a97a19a5daa2017-09-14HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Eicosadienoic acid n/a 21V, positive-QTOFsplash10-0006-0290000000-26edae55398bbe6d8f142020-07-22HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Eicosadienoic acid Orbitrap 30V, positive-QTOFsplash10-003v-9200000000-f117dd4d613f97c9e9a12020-07-22HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Eicosadienoic acid Orbitrap 33V, positive-QTOFsplash10-003u-9100000000-64feb0d0359edf0e55fa2020-07-22HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Eicosadienoic acid Orbitrap 37V, positive-QTOFsplash10-003u-9100000000-1c5be01a2863610157562020-07-22HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Eicosadienoic acid Orbitrap 40V, positive-QTOFsplash10-005c-9100000000-2af5db21026406ee4f512020-07-22HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Eicosadienoic acid Orbitrap 44V, positive-QTOFsplash10-005c-9100000000-900bb2bb1942a2772e062020-07-22HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Eicosadienoic acid n/a 21V, positive-QTOFsplash10-05o0-1900000000-87b112cb6d02616a73902020-07-22HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Eicosadienoic acid Orbitrap 0V, positive-QTOFsplash10-0a4i-0009000000-66380db5e2f48c28d9142020-07-22HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Eicosadienoic acid Orbitrap 1V, positive-QTOFsplash10-0a4i-0009000000-37933ac7549ff468e6e02020-07-22HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Eicosadienoic acid Orbitrap 3V, positive-QTOFsplash10-0a4i-0019000000-139b1c14ace1228062062020-07-22HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Eicosadienoic acid Orbitrap 4V, positive-QTOFsplash10-0a4i-0049000000-bea23a8f63f68b2a25792020-07-22HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Eicosadienoic acid Orbitrap 7V, positive-QTOFsplash10-052g-3594000000-9f6dd586ee4aa178e78e2020-07-22HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Eicosadienoic acid n/a 21V, positive-QTOFsplash10-0hka-0930000000-500174f550638fdb0b032020-07-22HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Eicosadienoic acid n/a 21V, positive-QTOFsplash10-00di-0490000000-80d1e0e8b9b35e1634502020-07-22HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Eicosadienoic acid Orbitrap 4V, positive-QTOFsplash10-0006-0090000000-cf7b1131f470250aedcb2020-07-22HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Eicosadienoic acid Orbitrap 6V, positive-QTOFsplash10-0006-0090000000-32033519d24a370bbb6e2020-07-22HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Eicosadienoic acid Orbitrap 10V, positive-QTOFsplash10-0006-2590000000-f57018cf6f280ddd27bd2020-07-22HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Eicosadienoic acid Orbitrap 14V, positive-QTOFsplash10-059w-7930000000-7f2165e3d0add956aa592020-07-22HMDB team, MONAView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Eicosadienoic acid 10V, Positive-QTOFsplash10-0006-0092000000-bcb4dbfbca4a66a8f89a2017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Eicosadienoic acid 20V, Positive-QTOFsplash10-03kd-4591000000-8359fe54412fa3b34e4c2017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Eicosadienoic acid 40V, Positive-QTOFsplash10-00kg-9850000000-1ce6afea317e415a6b1d2017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Eicosadienoic acid 10V, Negative-QTOFsplash10-0a4i-0039000000-46defe7a3a5473b710fd2017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Eicosadienoic acid 20V, Negative-QTOFsplash10-0bti-1096000000-42d4303cc1fdabc4e3c02017-09-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Eicosadienoic acid 40V, Negative-QTOFsplash10-0a4l-9140000000-5622f571522f8f1403462017-09-01Wishart LabView Spectrum
Biological Properties
Cellular Locations
  • Extracellular
  • Membrane
Biospecimen Locations
  • Blood
  • Feces
Tissue Locations
  • Placenta
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodDetected and Quantified0.418 +/- 0.162 uMAdult (>18 years old)BothNormal details
BloodDetected and Quantified20.3 +/- 6.8 uMAdult (>18 years old)Not Specified
Normal
details
BloodDetected and Quantified15.0730 +/- 4.182 uMAdult (>18 years old)FemaleNormal details
BloodDetected and Quantified0.352 +/- 0.029 uMAdult (>18 years old)BothNormal details
Abnormal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodDetected and Quantified16.9 +/- 4.8 uMAdult (>18 years old)Not Specified
Isovaleric acidemia
details
FecesDetected but not QuantifiedNot QuantifiedAdult (>18 years old)BothColorectal Cancer details
Associated Disorders and Diseases
Disease References
Isovaleric acidemia
  1. Dercksen M, Kulik W, Mienie LJ, Reinecke CJ, Wanders RJ, Duran M: Polyunsaturated fatty acid status in treated isovaleric acidemia patients. Eur J Clin Nutr. 2016 Oct;70(10):1123-1126. doi: 10.1038/ejcn.2016.100. Epub 2016 Jun 22. [PubMed:27329611 ]
Colorectal cancer
  1. Brown DG, Rao S, Weir TL, O'Malia J, Bazan M, Brown RJ, Ryan EP: Metabolomics and metabolic pathway networks from human colorectal cancers, adjacent mucosa, and stool. Cancer Metab. 2016 Jun 6;4:11. doi: 10.1186/s40170-016-0151-y. eCollection 2016. [PubMed:27275383 ]
Associated OMIM IDs
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB012619
KNApSAcK IDNot Available
Chemspider ID4944228
KEGG Compound IDC16525
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound6439848
PDB IDNot Available
ChEBI ID73731
Food Biomarker OntologyNot Available
VMH IDEIDI1114AC
MarkerDB IDNot Available
Good Scents IDrw1210811
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Download (PDF)
General References
  1. Minda H, Kovacs A, Funke S, Szasz M, Burus I, Molnar S, Marosvolgyi T, Decsi T: Changes of fatty acid composition of human milk during the first month of lactation: a day-to-day approach in the first week. Ann Nutr Metab. 2004;48(3):202-9. Epub 2004 Jul 13. [PubMed:15256803 ]
  2. Elshenawy S, Pinney SE, Stuart T, Doulias PT, Zura G, Parry S, Elovitz MA, Bennett MJ, Bansal A, Strauss JF 3rd, Ischiropoulos H, Simmons RA: The Metabolomic Signature of the Placenta in Spontaneous Preterm Birth. Int J Mol Sci. 2020 Feb 4;21(3). pii: ijms21031043. doi: 10.3390/ijms21031043. [PubMed:32033212 ]
  3. Lipid Maps (LMFA01030130) [Link]