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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-11 11:50:39 UTC
Update Date2021-09-26 23:06:36 UTC
HMDB IDHMDB0253406
Secondary Accession NumbersNone
Metabolite Identification
Common NameImazethapyr
Description5-ethyl-2-[5-methyl-4-oxo-5-(propan-2-yl)-4,5-dihydro-1H-imidazol-2-yl]pyridine-3-carboxylic acid belongs to the class of organic compounds known as alpha amino acids and derivatives. These are amino acids in which the amino group is attached to the carbon atom immediately adjacent to the carboxylate group (alpha carbon), or a derivative thereof. 5-ethyl-2-[5-methyl-4-oxo-5-(propan-2-yl)-4,5-dihydro-1H-imidazol-2-yl]pyridine-3-carboxylic acid is a moderately basic compound (based on its pKa). This compound has been identified in human blood as reported by (PMID: 31557052 ). Imazethapyr is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Imazethapyr is part of the human exposome. The exposome can be defined as the collection of all the exposures of an individual in a lifetime and how those exposures relate to health. An individual's exposure begins before birth and includes insults from environmental and occupational sources.
Structure
Thumb
Synonyms
ValueSource
5-Ethyl-2-[5-methyl-4-oxo-5-(propan-2-yl)-4,5-dihydro-1H-imidazol-2-yl]pyridine-3-carboxylateGenerator
ImazethapyrMeSH
Imazethapyr, amonium saltMeSH
Imazethapyr-ammoniumMeSH
Chemical FormulaC15H19N3O3
Average Molecular Weight289.335
Monoisotopic Molecular Weight289.142641484
IUPAC Name5-ethyl-2-[5-methyl-4-oxo-5-(propan-2-yl)-4,5-dihydro-1H-imidazol-2-yl]pyridine-3-carboxylic acid
Traditional Name5-ethyl-2-(4-isopropyl-4-methyl-5-oxo-3H-imidazol-2-yl)pyridine-3-carboxylic acid
CAS Registry NumberNot Available
SMILES
CCC1=CC(C(O)=O)=C(N=C1)C1=NC(=O)C(C)(N1)C(C)C
InChI Identifier
InChI=1S/C15H19N3O3/c1-5-9-6-10(13(19)20)11(16-7-9)12-17-14(21)15(4,18-12)8(2)3/h6-8H,5H2,1-4H3,(H,19,20)(H,17,18,21)
InChI KeyXVOKUMIPKHGGTN-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as alpha amino acids and derivatives. These are amino acids in which the amino group is attached to the carbon atom immediately adjacent to the carboxylate group (alpha carbon), or a derivative thereof.
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassCarboxylic acids and derivatives
Sub ClassAmino acids, peptides, and analogues
Direct ParentAlpha amino acids and derivatives
Alternative Parents
Substituents
  • Alpha-amino acid or derivatives
  • Pyridine carboxylic acid
  • Pyridine carboxylic acid or derivatives
  • Imidazolyl carboxylic acid derivative
  • Imidazolinone
  • Pyridine
  • 2-imidazoline
  • Heteroaromatic compound
  • Azacycle
  • Organoheterocyclic compound
  • Carboxylic acid amidine
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Amidine
  • Carboximidamide
  • Propargyl-type 1,3-dipolar organic compound
  • Organic 1,3-dipolar compound
  • Organonitrogen compound
  • Organooxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Carbonyl group
  • Organic nitrogen compound
  • Organic oxygen compound
  • Organopnictogen compound
  • Aromatic heteromonocyclic compound
Molecular FrameworkAromatic heteromonocyclic compounds
External Descriptors
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
logP1.76ALOGPS
logP1.95ChemAxon
logS-3.2ALOGPS
pKa (Strongest Acidic)3.67ChemAxon
pKa (Strongest Basic)1.71ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count6ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area91.65 ŲChemAxon
Rotatable Bond Count4ChemAxon
Refractivity77.47 m³·mol⁻¹ChemAxon
Polarizability30.76 ųChemAxon
Number of Rings2ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DeepCCS[M+H]+169.28330932474
DeepCCS[M-H]-166.92530932474
DeepCCS[M-2H]-201.17430932474
DeepCCS[M+Na]+176.40230932474
AllCCS[M+H]+166.632859911
AllCCS[M+H-H2O]+163.332859911
AllCCS[M+NH4]+169.732859911
AllCCS[M+Na]+170.632859911
AllCCS[M-H]-171.832859911
AllCCS[M+Na-2H]-171.932859911
AllCCS[M+HCOO]-172.232859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
ImazethapyrCCC1=CC(C(O)=O)=C(N=C1)C1=NC(=O)C(C)(N1)C(C)C2938.8Standard polar33892256
ImazethapyrCCC1=CC(C(O)=O)=C(N=C1)C1=NC(=O)C(C)(N1)C(C)C2344.9Standard non polar33892256
ImazethapyrCCC1=CC(C(O)=O)=C(N=C1)C1=NC(=O)C(C)(N1)C(C)C2550.7Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
Imazethapyr,2TMS,isomer #1CCC1=CN=C(C2=NC(=O)C(C)(C(C)C)N2[Si](C)(C)C)C(C(=O)O[Si](C)(C)C)=C12388.5Semi standard non polar33892256
Imazethapyr,2TMS,isomer #1CCC1=CN=C(C2=NC(=O)C(C)(C(C)C)N2[Si](C)(C)C)C(C(=O)O[Si](C)(C)C)=C12383.9Standard non polar33892256
Imazethapyr,2TMS,isomer #1CCC1=CN=C(C2=NC(=O)C(C)(C(C)C)N2[Si](C)(C)C)C(C(=O)O[Si](C)(C)C)=C13429.1Standard polar33892256
Imazethapyr,2TBDMS,isomer #1CCC1=CN=C(C2=NC(=O)C(C)(C(C)C)N2[Si](C)(C)C(C)(C)C)C(C(=O)O[Si](C)(C)C(C)(C)C)=C12737.4Semi standard non polar33892256
Imazethapyr,2TBDMS,isomer #1CCC1=CN=C(C2=NC(=O)C(C)(C(C)C)N2[Si](C)(C)C(C)(C)C)C(C(=O)O[Si](C)(C)C(C)(C)C)=C12815.2Standard non polar33892256
Imazethapyr,2TBDMS,isomer #1CCC1=CN=C(C2=NC(=O)C(C)(C(C)C)N2[Si](C)(C)C(C)(C)C)C(C(=O)O[Si](C)(C)C(C)(C)C)=C13530.8Standard polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Imazethapyr GC-MS (Non-derivatized) - 70eV, Positivesplash10-006x-4090000000-10c0ed9029cfa589d63d2021-09-23Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Imazethapyr GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Imazethapyr GC-MS (TMS_1_1) - 70eV, PositiveNot Available2021-11-04Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Imazethapyr GC-MS (TMS_1_2) - 70eV, PositiveNot Available2021-11-04Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Imazethapyr GC-MS (TBDMS_1_1) - 70eV, PositiveNot Available2021-11-04Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Imazethapyr GC-MS (TBDMS_1_2) - 70eV, PositiveNot Available2021-11-04Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Experimental LC-MS/MSLC-MS/MS Spectrum - Imazethapyr 60V, Negative-QTOFsplash10-0udi-0290000000-fda037d43043a8607e102021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Imazethapyr 45V, Negative-QTOFsplash10-0udi-0090000000-f29087803c2f7b5c66b52021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Imazethapyr 75V, Negative-QTOFsplash10-0f79-0960000000-0b78f3e2b6c1b35dcaa02021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Imazethapyr 90V, Negative-QTOFsplash10-00kr-0920000000-172a4a454553d56f91642021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Imazethapyr 90V, Positive-QTOFsplash10-0l91-3900000000-b484ca75f377276cd6f62021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Imazethapyr 45V, Positive-QTOFsplash10-003b-4490000000-b086972a95d7785fb3782021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Imazethapyr 15V, Positive-QTOFsplash10-0006-0090000000-75476f1791928824e0862021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Imazethapyr 30V, Positive-QTOFsplash10-0006-0090000000-3dd9c3cb8edc49af716d2021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Imazethapyr 60V, Positive-QTOFsplash10-00or-7940000000-64c34c9fb268fdcedaa32021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Imazethapyr 45V, Positive-QTOFsplash10-003b-4490000000-98250bb1c014f812501b2021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Imazethapyr 15V, Negative-QTOFsplash10-0006-0090000000-2e15c0a304a2661095862021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Imazethapyr 30V, Negative-QTOFsplash10-0udl-0090000000-560bf5aaeb2c41a8a59e2021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Imazethapyr 90V, Positive-QTOFsplash10-0l91-3900000000-644eb1313a7ba0d95a522021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Imazethapyr 75V, Positive-QTOFsplash10-05r9-4900000000-6273c1dfb3809de774132021-09-20HMDB team, MONAView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Imazethapyr 10V, Positive-QTOFsplash10-0006-0090000000-97d5c663850bb3f3a70b2016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Imazethapyr 20V, Positive-QTOFsplash10-0f7n-0190000000-21f914022301ead98c842016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Imazethapyr 40V, Positive-QTOFsplash10-0g5i-9300000000-2102fe86768144ae21e52016-08-01Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Imazethapyr 10V, Negative-QTOFsplash10-000f-0090000000-849f519e47d1403015332016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Imazethapyr 20V, Negative-QTOFsplash10-0006-0290000000-eb9e9cb99e7a91bc010d2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Imazethapyr 40V, Negative-QTOFsplash10-0zgi-6930000000-b0c5db5892835dbb564d2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Imazethapyr 10V, Negative-QTOFsplash10-000i-0190000000-a1ef7543f6125e9bbd5b2021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Imazethapyr 20V, Negative-QTOFsplash10-0kdu-0970000000-4c15346095ef364c85232021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Imazethapyr 40V, Negative-QTOFsplash10-00xu-4930000000-ffc3b9e9af2407512d412021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Imazethapyr 10V, Positive-QTOFsplash10-006x-0090000000-d01d34c028f13f1f2de82021-10-12Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Imazethapyr 20V, Positive-QTOFsplash10-0006-3690000000-84a2fae879aa600374a52021-10-12Wishart LabView Spectrum
Biological Properties
Cellular LocationsNot Available
Biospecimen Locations
  • Blood
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodDetected but not QuantifiedNot QuantifiedNot SpecifiedNot SpecifiedNormal 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 IDC18865
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound54740
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 References
  1. Barupal DK, Fiehn O: Generating the Blood Exposome Database Using a Comprehensive Text Mining and Database Fusion Approach. Environ Health Perspect. 2019 Sep;127(9):97008. doi: 10.1289/EHP4713. Epub 2019 Sep 26. [PubMed:31557052 ]