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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2021-09-24 08:58:42 UTC
Update Date2021-09-24 08:58:42 UTC
HMDB IDHMDB0304332
Secondary Accession NumbersNone
Metabolite Identification
Common Namedi-homo-gamma-linolenate
Description Di-homo-gamma-linolenate is practically insoluble (in water) and a weakly acidic compound (based on its pKa). Di-homo-gamma-linolenate can be found in a number of food items such as shiitake, boysenberry, jute, and cocoa bean, which makes di-homo-gamma-linolenate a potential biomarker for the consumption of these food products.
Structure
Thumb
Synonyms
ValueSource
Icosa-8,11,14-trienoic acidGenerator
Di-homo-γ-linolenic acidGenerator
Chemical FormulaC20H33O2
Average Molecular Weight305.483
Monoisotopic Molecular Weight305.248603883
IUPAC Nameicosa-8,11,14-trienoate
Traditional Name8,11,14-eicosatrienoate
CAS Registry NumberNot Available
SMILES
CCCCCC=CCC=CCC=CCCCCCCC([O-])=O
InChI Identifier
InChI=1S/C20H34O2/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(21)22/h6-7,9-10,12-13H,2-5,8,11,14-19H2,1H3,(H,21,22)/p-1
InChI KeyHOBAELRKJCKHQD-UHFFFAOYSA-M
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
  • Organic anion
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
Ontology
Physiological effectNot Available
DispositionNot Available
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
logP7.05ALOGPS
logP6.95ChemAxon
logS-7ALOGPS
pKa (Strongest Acidic)4.89ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area40.13 ŲChemAxon
Rotatable Bond Count15ChemAxon
Refractivity109.67 m³·mol⁻¹ChemAxon
Polarizability38.15 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
AllCCS[M+H]+183.87432859911
AllCCS[M+H-H2O]+180.93332859911
AllCCS[M+Na]+187.38232859911
AllCCS[M+NH4]+186.59932859911
AllCCS[M-H]-183.86232859911
AllCCS[M+Na-2H]-185.62932859911
AllCCS[M+HCOO]-187.72632859911
DeepCCS[M+H]+180.77430932474
DeepCCS[M-H]-176.96330932474
DeepCCS[M-2H]-213.29930932474
DeepCCS[M+Na]+189.58930932474

Predicted Kovats Retention Indices

Not Available
Spectra

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - di-homo-gamma-linolenate 10V, Negative-QTOFsplash10-0a4i-0059000000-1d745a4f780d4c5695042019-02-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - di-homo-gamma-linolenate 20V, Negative-QTOFsplash10-0bt9-0096000000-0852d04ee4baf7f676f32019-02-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - di-homo-gamma-linolenate 40V, Negative-QTOFsplash10-0bt9-3390000000-6e8c1ef9592272baaddd2019-02-23Wishart LabView Spectrum
Biological Properties
Cellular LocationsNot Available
Biospecimen LocationsNot Available
Tissue LocationsNot Available
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB030816
KNApSAcK IDNot Available
Chemspider ID20483633
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound20982156
PDB IDNot Available
ChEBI IDNot Available
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 ReferencesNot Available