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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2021-09-11 17:42:25 UTC
Update Date2021-09-26 23:13:10 UTC
HMDB IDHMDB0257047
Secondary Accession NumbersNone
Metabolite Identification
Common NameQuinoline-4-carboxylic acid
Descriptionquinoline-4-carboxylic acid, also known as cinchonic acid or 4-quinolinecarboxylate, belongs to the class of organic compounds known as quinoline carboxylic acids. These are quinolines in which the quinoline ring system is substituted by a carboxyl group at one or more positions. Based on a literature review very few articles have been published on quinoline-4-carboxylic acid. This compound has been identified in human blood as reported by (PMID: 31557052 ). Quinoline-4-carboxylic acid is not a naturally occurring metabolite and is only found in those individuals exposed to this compound or its derivatives. Technically Quinoline-4-carboxylic acid 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
4-Quinolinecarboxylic acidChEBI
Cinchonic acidChEBI
Quinoline-4-carboxylateChEBI
4-QuinolinecarboxylateGenerator
CinchonateGenerator
Cinchoninic acidMeSH
Chemical FormulaC10H7NO2
Average Molecular Weight173.171
Monoisotopic Molecular Weight173.047678469
IUPAC Namequinoline-4-carboxylic acid
Traditional Namequinoline-4-carboxylic acid
CAS Registry NumberNot Available
SMILES
OC(=O)C1=CC=NC2=CC=CC=C12
InChI Identifier
InChI=1S/C10H7NO2/c12-10(13)8-5-6-11-9-4-2-1-3-7(8)9/h1-6H,(H,12,13)
InChI KeyVQMSRUREDGBWKT-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as quinoline carboxylic acids. These are quinolines in which the quinoline ring system is substituted by a carboxyl group at one or more positions.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassQuinolines and derivatives
Sub ClassQuinoline carboxylic acids
Direct ParentQuinoline carboxylic acids
Alternative Parents
Substituents
  • Quinoline-4-carboxylic acid
  • Pyridine carboxylic acid
  • Pyridine carboxylic acid or derivatives
  • Benzenoid
  • Pyridine
  • Heteroaromatic compound
  • Carboxylic acid derivative
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Azacycle
  • Organic nitrogen compound
  • Hydrocarbon derivative
  • Organic oxide
  • Organooxygen compound
  • Organonitrogen compound
  • Organopnictogen compound
  • Organic oxygen compound
  • Aromatic heteropolycyclic compound
Molecular FrameworkAromatic heteropolycyclic compounds
External Descriptors
Ontology
Not AvailableNot 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
logP1.63ChemAxon
pKa (Strongest Acidic)3.61ChemAxon
pKa (Strongest Basic)1.86ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area50.19 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity47.24 m³·mol⁻¹ChemAxon
Polarizability17.02 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-2H]-168.19830932474
DeepCCS[M+Na]+143.73630932474
AllCCS[M+H]+136.032859911
AllCCS[M+H-H2O]+131.532859911
AllCCS[M+NH4]+140.332859911
AllCCS[M+Na]+141.532859911
AllCCS[M-H]-134.332859911
AllCCS[M+Na-2H]-134.632859911
AllCCS[M+HCOO]-135.032859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
Quinoline-4-carboxylic acidOC(=O)C1=CC=NC2=CC=CC=C122727.5Standard polar33892256
Quinoline-4-carboxylic acidOC(=O)C1=CC=NC2=CC=CC=C121742.6Standard non polar33892256
Quinoline-4-carboxylic acidOC(=O)C1=CC=NC2=CC=CC=C121697.9Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - Quinoline-4-carboxylic acid GC-MS (Non-derivatized) - 70eV, Positivesplash10-05i0-0900000000-468e58452883616bf3952021-09-23Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Quinoline-4-carboxylic acid GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Quinoline-4-carboxylic acid GC-MS (TMS_1_1) - 70eV, PositiveNot Available2021-11-05Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Quinoline-4-carboxylic acid GC-MS (TBDMS_1_1) - 70eV, PositiveNot Available2021-11-05Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Experimental LC-MS/MSLC-MS/MS Spectrum - Quinoline-4-carboxylic acid 40V, Negative-QTOFsplash10-004i-0900000000-caf4ff1adef8281f9c5b2021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Quinoline-4-carboxylic acid 10V, Negative-QTOFsplash10-004i-0900000000-337d03239491c4c6b4842021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Quinoline-4-carboxylic acid 20V, Negative-QTOFsplash10-004i-0900000000-1c89ced745324d3ed4dd2021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Quinoline-4-carboxylic acid 40V, Positive-QTOFsplash10-004i-8900000000-57a552691e9dc00387212021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Quinoline-4-carboxylic acid 35V, Negative-QTOFsplash10-004i-0900000000-cf5b89d157571d4f82952021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Quinoline-4-carboxylic acid 20V, Positive-QTOFsplash10-00ea-0900000000-4fbe7ddb687b4da567542021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Quinoline-4-carboxylic acid 10V, Positive-QTOFsplash10-00di-0900000000-27824564892836c69aec2021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Quinoline-4-carboxylic acid 35V, Positive-QTOFsplash10-00e9-0900000000-7be0260dc4900eec7ffb2021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Quinoline-4-carboxylic acid 35V, Positive-QTOFsplash10-00di-0900000000-3e21f89829fed15596d92021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Quinoline-4-carboxylic acid 35V, Positive-QTOFsplash10-00di-0900000000-471e2a736c5d044567832021-09-20HMDB team, MONAView Spectrum
Experimental LC-MS/MSLC-MS/MS Spectrum - Quinoline-4-carboxylic acid 35V, Positive-QTOFsplash10-004i-0900000000-0290216a1c9620c9fa332021-09-20HMDB team, MONAView 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 ID9826
KEGG Compound IDC06414
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem CompoundNot Available
PDB IDNot Available
ChEBI ID18311
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 ]