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Record Information
Version1.0
Creation Date2016-07-13 19:41:38 UTC
Update Date2016-07-20 20:55:24 UTC
LmdbLMDB00066
Secondary Accession NumbersNone
Metabolite Identification
Common NameGentisic acid
DescriptionGentisic acid, also known as gentisate or 2,5-dioxybenzoate, belongs to the class of organic compounds known as hydroxybenzoic acid derivatives. Hydroxybenzoic acid derivatives are compounds containing a hydroxybenzoic acid (or a derivative), which is a benzene ring bearing a carboxyl and a hydroxyl groups. A dihydroxybenzoic acid having the two hydroxy groups at the 2- and 5-positions. Gentisic acid is an extremely weak basic (essentially neutral) compound (based on its pKa). Gentisic acid exists in all living organisms, ranging from bacteria to humans. Outside of the human body, Gentisic acid is found, on average, in the highest concentration within a few different foods, such as tarragons, common thymes, and common sages and in a lower concentration in lemon balms, parsley, and soy beans. Gentisic acid has also been detected, but not quantified in, several different foods, such as garden tomato (var.), cocoa beans, spearmints, common pea, and carrots. This could make gentisic acid a potential biomarker for the consumption of these foods.
Structure
Thumb
Synonyms
ValueSource
2,5-DihydroxybenzoateChEBI
5-Hydroxysalicylic acidChEBI
GentisateChEBI
Hydroquinonecarboxylic acidChEBI
2,5-Dihydroxybenzoic acidKegg
5-HydroxysalicylateGenerator
HydroquinonecarboxylateGenerator
2,5-DioxybenzoateHMDB
2,5-Dioxybenzoic acidHMDB
3,6-DihydroxybenzoateHMDB
3,6-Dihydroxybenzoic acidHMDB
5-Hydroxy-salicylateHMDB
5-Hydroxy-salicylic acidHMDB
CarboxyhydroquinoneHMDB
DihydroxybenzoicacidHMDB
GensigenHMDB
GensigonHMDB
GentisinateHMDB
Gentisinic acidHMDB
2,5-Dihydroxybenzoic acid, monosodium saltHMDB
Lithium 2,5-dihydroxybenzoateHMDB
Gentisic acidChEBI
Hydroquinone carboxylic acidHMDB
Chemical FormulaC7H6O4
Average Molecular Weight154.121
Monoisotopic Molecular Weight154.026608673
IUPAC Name2,5-dihydroxybenzoic acid
Traditional Name2,5-dihydroxybenzoic acid
CAS Registry Number490-79-9
SMILES
OC(=O)C1=C(O)C=CC(O)=C1
InChI Identifier
InChI=1S/C7H6O4/c8-4-1-2-6(9)5(3-4)7(10)11/h1-3,8-9H,(H,10,11)
InChI KeyWXTMDXOMEHJXQO-UHFFFAOYSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as hydroxybenzoic acid derivatives. Hydroxybenzoic acid derivatives are compounds containing a hydroxybenzoic acid (or a derivative), which is a benzene ring bearing a carboxyl and a hydroxyl groups.
KingdomOrganic compounds
Super ClassBenzenoids
ClassBenzene and substituted derivatives
Sub ClassBenzoic acids and derivatives
Direct ParentHydroxybenzoic acid derivatives
Alternative Parents
Substituents
  • Dihydroxybenzoic acid
  • Salicylic acid
  • Salicylic acid or derivatives
  • Hydroxybenzoic acid
  • Benzoic acid
  • Benzoyl
  • Hydroquinone
  • 1-hydroxy-2-unsubstituted benzenoid
  • Phenol
  • Vinylogous acid
  • Carboxylic acid derivative
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Organic oxygen compound
  • Hydrocarbon derivative
  • Organooxygen compound
  • Organic oxide
  • Aromatic homomonocyclic compound
Molecular FrameworkAromatic homomonocyclic compounds
External Descriptors
Ontology
StatusDetected but not Quantified
OriginNot Available
BiofunctionNot Available
ApplicationNot Available
Cellular locationsNot Available
Physical Properties
StateNot Available
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
logP1.23ALOGPS
logP1.67ChemAxon
logS-1.1ALOGPS
pKa (Strongest Acidic)2.53ChemAxon
pKa (Strongest Basic)-5.9ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count4ChemAxon
Hydrogen Donor Count3ChemAxon
Polar Surface Area77.76 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity37.28 m³·mol⁻¹ChemAxon
Polarizability13.78 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
GC-MSGC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies) (Non-derivatized)splash10-0a4i-0849000000-d6f7b541cabdb5e20dd6Spectrum
GC-MSGC-MS Spectrum - GC-MS (3 TMS)splash10-0a4i-3955000000-215d684d2fae395f2e76Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-03di-2009080030-be174b5f8728c96650e7Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-0a4i-0229000000-a4712abe7c7db86a97beSpectrum
GC-MSGC-MS Spectrum - GC-EI-TOF (Non-derivatized)splash10-0a4i-0849000000-d6f7b541cabdb5e20dd6Spectrum
GC-MSGC-MS Spectrum - GC-MS (Non-derivatized)splash10-0a4i-3955000000-215d684d2fae395f2e76Spectrum
GC-MSGC-MS Spectrum - GC-EI-TOF (Non-derivatized)splash10-0a4i-1946000000-be25f693c540abb01bdeSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-114r-2900000000-c5a4c512f555f4ebce47Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (3 TMS) - 70eV, Positivesplash10-008a-5092000000-1b91af6751ccb58c613cSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, PositiveNot AvailableSpectrum
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 10V, Negative (Annotated)splash10-0zfr-0900000000-816a84a65cefa1b31731Spectrum
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 25V, Negative (Annotated)splash10-0a4i-1900000000-977e85749e8fa31315c5Spectrum
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 40V, Negative (Annotated)splash10-0a4i-1900000000-086d66fbe2d41a2d725cSpectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 10V, Negativesplash10-0udi-0900000000-e3a62163a69461ab2cffSpectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 20V, Negativesplash10-0a4i-0900000000-06431a9cf0c877732fe5Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 30V, Negativesplash10-0a4i-0900000000-e938fddf26a9bb2cd9e3Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 40V, Negativesplash10-0a4i-0900000000-38ef6d9660431bec9b3bSpectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 50V, Negativesplash10-0a4i-0900000000-ac95d834c95477f325a7Spectrum
LC-MS/MSLC-MS/MS Spectrum - MALDI-TOF (Voyager DE-PRO, Applied Biosystems) , Positivesplash10-004r-1913000000-eba82100caa3c2664508Spectrum
LC-MS/MSLC-MS/MS Spectrum - MALDI-TOF (Voyager DE-PRO, Applied Biosystems) , Negativesplash10-0udi-0902000000-6cc114aa94b58c53c123Spectrum
LC-MS/MSLC-MS/MS Spectrum - MALDI-TOF (Voyager DE-PRO, Applied Biosystems) , Positivesplash10-0k9i-0930000000-4388abc8fe86bc940e89Spectrum
LC-MS/MSLC-MS/MS Spectrum - MALDI-TOF (Voyager DE-PRO, Applied Biosystems) , Negativesplash10-0udi-0901000000-077381dba9d80706a097Spectrum
LC-MS/MSLC-MS/MS Spectrum - MALDI-TOF (Voyager DE-PRO, Applied Biosystems) , Positivesplash10-0fri-0930000000-4e24b1261f33fba704e2Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Positivesplash10-000b-9800000000-35424c6ac43370b30b89Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF (UPLC Q-Tof Premier, Waters) , Negativesplash10-0a4i-0900000000-56fe39ec90c2e54662dbSpectrum
LC-MS/MSLC-MS/MS Spectrum - ESI-TOF , Negativesplash10-0pdi-0439000000-d097f2b9a5189bc4bb0fSpectrum
LC-MS/MSLC-MS/MS Spectrum - ESI-TOF 10V, Negativesplash10-0pdi-0439000000-d097f2b9a5189bc4bb0fSpectrum
LC-MS/MSLC-MS/MS Spectrum - ESI-TOF , Negativesplash10-0pdi-0439000000-d097f2b9a5189bc4bb0fSpectrum
LC-MS/MSLC-MS/MS Spectrum - ESI-TOF 10V, Negativesplash10-0a4i-0900000000-ddf5ec6162fb4b835c3aSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0a4i-0900000000-0fe66ae910e6a6a75fd0Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0a4r-0900000000-92d150f8439f22e9e2bbSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0a7i-9400000000-b1783532af734cb7e8c4Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0zfr-0900000000-64a4c14f26bc9fcf8dfaSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0a4i-0900000000-acfcb8c4421ee8a0c31cSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0a4i-4900000000-dd5469400fff82ccc358Spectrum
MSMass Spectrum (Electron Ionization)splash10-0f79-7900000000-4ac54ba9a72c8707055dSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
2D NMR[1H,13C] 2D NMR SpectrumNot AvailableSpectrum
Biological Properties
Cellular LocationsNot Available
Biofluid Locations and Tissue Locations
  • Urine
Concentrations
BiofluidStatusValueConditionSpeciesReferenceDetails
UrineDetected but not QuantifiedNot ApplicableNot AvailableBovine details
DrugBank IDNot Available
HMDB IDHMDB0000152
FooDB IDFDB000844
Phenol Explorer ID416
KNApSAcK IDC00002648
BiGG IDNot Available
BioCyc IDCPD-633
METLIN ID618
PDB IDNot Available
Wikipedia LinkGentisic_acid
Chemspider ID3350
ChEBI ID17189
PubChem Compound ID3469
Kegg Compound IDC00628
YMDB IDNot Available
ECMDB IDM2MDB004140
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General ReferencesNot Available