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Record Information
Version1.0
Creation Date2016-09-30 22:50:04 UTC
Update Date2020-05-11 20:39:46 UTC
BMDB IDBMDB0002024
Secondary Accession Numbers
  • BMDB02024
Metabolite Identification
Common NameImidazoleacetic acid
DescriptionImidazoleacetic acid, also known as 4(5)-imidazoleacetate or imac, belongs to the class of organic compounds known as imidazolyl carboxylic acids and derivatives. These are organic compounds containing a carboxylic acid chain (of at least 2 carbon atoms) linked to an imidazole ring. Imidazoleacetic acid is possibly soluble (in water) and a very strong basic compound (based on its pKa). Imidazoleacetic acid exists in all living organisms, ranging from bacteria to humans. Imidazoleacetic acid can be biosynthesized from imidazole-4-acetaldehyde through the action of the enzyme aldehyde dehydrogenase, mitochondrial. In cattle, imidazoleacetic acid is involved in the metabolic pathway called the histidine metabolism pathway. Imidazoleacetic acid is a potentially toxic compound.
Structure
Thumb
Synonyms
ValueSource
1H-Imidazole-4-acetic acidChEBI
4(5)-ImidazoleacetateChEBI
4-ImidazoleacetateChEBI
Imidazole-4-acetateChEBI
1H-Imidazole-4-acetateGenerator
4(5)-Imidazoleacetic acidGenerator
4-Imidazoleacetic acidGenerator
Imidazole-4-acetic acidGenerator
ImidazoleacetateGenerator
1H-Imidazol-4-ylacetic acidHMDB
IAAHMDB
IMACHMDB
Imidazol-4-ylacetateHMDB
Imidazol-4-ylacetic acidHMDB
Imidazole acetateHMDB
Imidazolyl-4-acetic acidHMDB
IZCHMDB
Lopac-I-0375HMDB
Imidazole-4-acetic acid, sodium saltHMDB
Imidazole-4-acetic acid hydrochlorideHMDB
Chemical FormulaC5H6N2O2
Average Molecular Weight126.1133
Monoisotopic Molecular Weight126.042927446
IUPAC Name2-(1H-imidazol-5-yl)acetic acid
Traditional NameIMAC
CAS Registry Number645-65-8
SMILES
OC(=O)CC1=CN=CN1
InChI Identifier
InChI=1S/C5H6N2O2/c8-5(9)1-4-2-6-3-7-4/h2-3H,1H2,(H,6,7)(H,8,9)
InChI KeyPRJKNHOMHKJCEJ-UHFFFAOYSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as imidazolyl carboxylic acids and derivatives. These are organic compounds containing a carboxylic acid chain (of at least 2 carbon atoms) linked to an imidazole ring.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassAzoles
Sub ClassImidazoles
Direct ParentImidazolyl carboxylic acids and derivatives
Alternative Parents
Substituents
  • Imidazolyl carboxylic acid derivative
  • Heteroaromatic compound
  • Azacycle
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Carboxylic acid derivative
  • Organic nitrogen compound
  • Organic oxygen compound
  • Organopnictogen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Organonitrogen compound
  • Carbonyl group
  • Aromatic heteromonocyclic compound
Molecular FrameworkAromatic heteromonocyclic compounds
External Descriptors
Ontology
StatusDetected but not Quantified
Origin
  • Endogenous
BiofunctionNot Available
ApplicationNot Available
Cellular locations
  • Cytoplasm
  • Mitochondria
Physical Properties
StateSolid
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
logP-0.5ALOGPS
logP-1.4ChemAxon
logS-0.37ALOGPS
pKa (Strongest Acidic)3.65ChemAxon
pKa (Strongest Basic)6.78ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area65.98 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity30.2 m³·mol⁻¹ChemAxon
Polarizability11.47 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash Key
GC-MSGC-MS Spectrum - GC-MS (1 TMS)splash10-0f89-5900000000-420b0de40d13d8210bbcView in MoNA
GC-MSGC-MS Spectrum - GC-MS (2 TMS)splash10-0fc0-5970000000-86a11eed673e756aa38aView in MoNA
GC-MSGC-MS Spectrum - GC-MS (Non-derivatized)splash10-0f89-5900000000-420b0de40d13d8210bbcView in MoNA
GC-MSGC-MS Spectrum - GC-MS (Non-derivatized)splash10-0fc0-5970000000-86a11eed673e756aa38aView in MoNA
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-001i-9200000000-3560ea9910e3fb51b173View in MoNA
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (1 TMS) - 70eV, Positivesplash10-00di-8900000000-05046aa1145002d7c5e8View in MoNA
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, PositiveNot AvailableView in JSpectraViewer
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 10V, Positive (Annotated)splash10-003r-9600000000-12712603bcc1f0bea126View in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 25V, Positive (Annotated)splash10-001i-9000000000-fc527ff9b17df8a45f5dView in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 40V, Positive (Annotated)splash10-001i-9000000000-f50438c3b380c53358cbView in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 10V, Positivesplash10-004i-0900000000-3e8a5824e3117a9ff630View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 20V, Positivesplash10-001i-9100000000-bd0eae5cae4e35af3bc9View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 30V, Positivesplash10-001i-9000000000-029fc71514700cdb7209View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 40V, Positivesplash10-001i-9000000000-55f8440d265a11022fb9View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 50V, Positivesplash10-001i-9000000000-2f783a29f0103b0f7b59View in MoNA
LC-MS/MSLC-MS/MS Spectrum - , negativesplash10-001i-9000000000-536179ad66be87ef6052View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , positivesplash10-004i-0900000000-3e8a5824e3117a9ff630View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , positivesplash10-001i-9100000000-bd0eae5cae4e35af3bc9View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , positivesplash10-001i-9000000000-029fc71514700cdb7209View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , positivesplash10-001i-9000000000-55f8440d265a11022fb9View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , positivesplash10-001i-9000000000-2f783a29f0103b0f7b59View in MoNA
LC-MS/MSLC-MS/MS Spectrum - 0V, Positivesplash10-004i-1900000000-2df669861c33e046ef52View in MoNA
LC-MS/MSLC-MS/MS Spectrum - 40V, Positivesplash10-0f89-9000000000-9ab02097fca907a3b75fView in MoNA
LC-MS/MSLC-MS/MS Spectrum - 35V, Negativesplash10-001i-9000000000-8c245e2f0f54c3db08d7View in MoNA
LC-MS/MSLC-MS/MS Spectrum - 10V, Positivesplash10-001i-9100000000-5976268b58ff0c9c054aView in MoNA
LC-MS/MSLC-MS/MS Spectrum - 10V, Positivesplash10-001i-9100000000-ffb1202ccd976a3c4ac6View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0a4i-1900000000-4b77cf695394035f5cb9View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0a4i-8900000000-3a84b22e5a91324c68a8View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0gc3-9000000000-c43447728a419e4b671aView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-004i-3900000000-d826c494ed679b7cd08eView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0560-9800000000-1d0c114437988870749dView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0kal-9100000000-802d3d5a745c25a2b664View in MoNA
1D NMR1H NMR Spectrum (1D, 500 MHz, H2O, experimental)Not AvailableView in JSpectraViewer
1D NMR13C NMR Spectrum (1D, 100 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR13C NMR Spectrum (1D, 1000 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR13C NMR Spectrum (1D, 200 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR13C NMR Spectrum (1D, 300 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR13C NMR Spectrum (1D, 400 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR13C NMR Spectrum (1D, 500 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR13C NMR Spectrum (1D, 600 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR13C NMR Spectrum (1D, 700 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR13C NMR Spectrum (1D, 800 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR13C NMR Spectrum (1D, 900 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)Not AvailableView in JSpectraViewer
2D NMR[1H, 13C]-HSQC NMR Spectrum (2D, 600 MHz, H2O, experimental)Not AvailableView in JSpectraViewer
Biological Properties
Cellular Locations
  • Cytoplasm
  • Mitochondria
Biospecimen Locations
  • Liver
  • Milk
  • Placenta
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
LiverDetected but not QuantifiedNot QuantifiedNot SpecifiedNot Specified
Normal
details
MilkDetected but not QuantifiedNot QuantifiedNot SpecifiedNot Specified
Normal
details
PlacentaExpected but not QuantifiedNot QuantifiedNot SpecifiedNot SpecifiedNormal
  • Not Applicable
details
Abnormal Concentrations
Not Available
HMDB IDHMDB0002024
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB030508
KNApSAcK IDNot Available
Chemspider ID86856
KEGG Compound IDC02835
BioCyc ID4-IMIDAZOLEACETATE
BiGG ID40666
Wikipedia LinkNot Available
METLIN ID6445
PubChem Compound96215
PDB IDNot Available
ChEBI ID16974
References
Synthesis ReferenceMadsen Christian; Jensen Anders A; Liljefors Tommy; Kristiansen Uffe; Nielsen Birgitte; Hansen Camilla P; Larsen Mogens; Ebert Bjarke; Bang-Andersen Benny; Krogsgaard-Larsen Povl; Frolund Bente 5-Substituted imidazole-4-acetic acid analogues: synthesis, modeling, and pharmacological characterization of a series of novel gamma-aminobutyric acid(C) receptor agonists. Journal of medicinal chemistry (2007), 50(17), 4147-61.
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Mung D, Li L: Applying quantitative metabolomics based on chemical isotope labeling LC-MS for detecting potential milk adulterant in human milk. Anal Chim Acta. 2018 Feb 25;1001:78-85. doi: 10.1016/j.aca.2017.11.019. Epub 2017 Nov 14. [PubMed:29291809 ]