Record Information
Version1.0
Creation Date2016-07-13 19:54:28 UTC
Update Date2016-07-20 21:02:21 UTC
LmdbLMDB00642
Secondary Accession NumbersNone
Metabolite Identification
Common Name2-Hydroxypyridine
Description(NMR-spectroscopy is a slow method, high resolution IR-spectroscopy in solvent is difficult, the broad absorption in UV-spectroscopy makes it hard to discriminate 3 and more very similar molecules). 2-Pyridone is an organic compound with the formula C5H4NH(O). This colourless crystalline solid is used in peptide synthesis. It is well known to form hydrogen bonded structures somewhat related to the base-pairing mechanism found in RNA and DNA. It is also a classic case of a molecule that exists as tautomers. Some publications only focus one of the two possible patterns, and neglect the influence of the other. For example, to calculation of the energy difference of the two tautomers in a non-polar solution will lead to a wrong result if a large quantity of the substance is on the side of the dimer in an equilibrium. The direct tautomerisation is not energetically favoured, but a dimerisation followed by a double proton transfer and dissociation of the dimer is a self catalytic path from one tautomer to the other. Protic solvents also mediate the proton transfer during the tautomerisation.
Structure
Thumb
Synonyms
ValueSource
2-PyridinolChEBI
2-PyridoneChEBI
1-Hydroxy-2-pyridineHMDB
1H-Pyridin-2-oneHMDB
2(1H)-PyridinoneHMDB
2(1H)-PyridoneHMDB
2-OxopyridineHMDB
2-Pyridinol (acd/name 4.0)HMDB
2-PyridinoneHMDB
2-PyridolHMDB
alpha -PyridoneHMDB
alpha-PyridoneHMDB
Pyridin-2-olHMDB
Pyridone-2HMDB
2-Hydroxypyridine sodium saltHMDB
2-HydroxypyridineChEBI
Chemical FormulaC5H5NO
Average Molecular Weight95.0993
Monoisotopic Molecular Weight95.037113787
IUPAC Namepyridin-2-ol
Traditional Name2-pyridone
CAS Registry Number142-08-5
SMILES
OC1=CC=CC=N1
InChI Identifier
InChI=1S/C5H5NO/c7-5-3-1-2-4-6-5/h1-4H,(H,6,7)
InChI KeyUBQKCCHYAOITMY-UHFFFAOYSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as pyridinones. Pyridinones are compounds containing a pyridine ring, which bears a ketone.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassPyridines and derivatives
Sub ClassHydropyridines
Direct ParentPyridinones
Alternative Parents
Substituents
  • Pyridinone
  • Dihydropyridine
  • Heteroaromatic compound
  • Lactam
  • Azacycle
  • Organic nitrogen compound
  • Organic oxygen compound
  • Organopnictogen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Organonitrogen compound
  • Aromatic heteromonocyclic compound
Molecular FrameworkAromatic heteromonocyclic 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
logP0.64ALOGPS
logP1.05ChemAxon
logS0.53ALOGPS
pKa (Strongest Acidic)11.7ChemAxon
pKa (Strongest Basic)2.43ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area33.12 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity26.2 m³·mol⁻¹ChemAxon
Polarizability9.2 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
GC-MSGC-MS Spectrum - GC-MS (1 TMS)splash10-0udi-3900000000-b326651e42bb0bf10eb3Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-00kk-9000000000-7be5bb43b8d4efeef612Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-00kk-9000000000-4cb62ee57ab731935093Spectrum
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-0udi-0900000000-1fea7566ea893b73b6e3Spectrum
GC-MSGC-MS Spectrum - GC-EI-TOF (Non-derivatized)splash10-0udi-0900000000-37b117ff3df14c4ed231Spectrum
GC-MSGC-MS Spectrum - GC-MS (Non-derivatized)splash10-0udi-3900000000-b326651e42bb0bf10eb3Spectrum
GC-MSGC-MS Spectrum - GC-EI-TOF (Non-derivatized)splash10-0udi-1900000000-60c99c3a6b3cc2dbbd58Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-0002-9000000000-747619743b9601520a0bSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (1 TMS) - 70eV, Positivesplash10-0g4j-9300000000-8e2875030fc14961b6c9Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, PositiveNot AvailableSpectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , positivesplash10-0002-9000000000-a20818a6a8c5a2948508Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , positivesplash10-0002-9000000000-7853818b4dc566322716Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , positivesplash10-004i-9000000000-3317c4817eb06b84cef9Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , positivesplash10-004i-9000000000-4dcaf228edc375029273Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , positivesplash10-0ufr-9000000000-93805bd9f23cf0a64c91Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QTOF , positivesplash10-0002-9000000000-91777761a571b56d86bfSpectrum
LC-MS/MSLC-MS/MS Spectrum - , positivesplash10-0002-9000000000-b5b4d0e3bdff2481efd2Spectrum
LC-MS/MSLC-MS/MS Spectrum - 10V, Positivesplash10-0002-9000000000-8f91f1101787270f55f4Spectrum
LC-MS/MSLC-MS/MS Spectrum - 30V, Positivesplash10-0ufr-9000000000-90711bd4fe302f6ae169Spectrum
LC-MS/MSLC-MS/MS Spectrum - 0V, Positivesplash10-0002-9000000000-71b01ad27cb7ef8d9e9eSpectrum
LC-MS/MSLC-MS/MS Spectrum - 0V, Positivesplash10-0002-9000000000-c0e392a7ffac70c81b35Spectrum
LC-MS/MSLC-MS/MS Spectrum - 10V, Positivesplash10-0002-9000000000-de8294e223c7341658ffSpectrum
LC-MS/MSLC-MS/MS Spectrum - 35V, Positivesplash10-0002-9000000000-9fbb1245dc9d8924e752Spectrum
LC-MS/MSLC-MS/MS Spectrum - 35V, Positivesplash10-0002-9000000000-a3227b123546b7fdb4acSpectrum
LC-MS/MSLC-MS/MS Spectrum - 30V, Positivesplash10-0ufr-9000000000-bc4db4bbb9e44e11e0d1Spectrum
LC-MS/MSLC-MS/MS Spectrum - 35V, Positivesplash10-004i-9000000000-daefc815bc8445750297Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0002-9000000000-4762afadc4bf6bdb3a12Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0002-9000000000-86eb4b2aaf718cf7c8b5Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0uxr-9000000000-ccdf3d44f5fd3066c5d2Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0006-9000000000-59655b6363844bc20812Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0006-9000000000-c41c99c1ebc3e63b5d08Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0006-9000000000-edd999653de0dddfb7d7Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0002-9000000000-01955f993bd759635550Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0f6t-9000000000-f0c40fc1f91854c2820fSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0udi-9000000000-2c6103dab5a100099688Spectrum
Biological Properties
Cellular LocationsNot Available
Biofluid Locations and Tissue Locations
  • Urine
Concentrations
BiofluidStatusValueConditionSpeciesReferenceDetails
UrineDetected but not QuantifiedNot ApplicableNot AvailableBovine details
DrugBank IDNot Available
HMDB IDHMDB0013751
FooDB IDFDB112195
Phenol Explorer IDNot Available
KNApSAcK IDC00007405
BiGG IDNot Available
BioCyc IDNot Available
METLIN IDNot Available
PDB IDNot Available
Wikipedia Link2-Pyridone
Chemspider ID8537
ChEBI ID16540
PubChem Compound ID8871
Kegg Compound IDC02502
YMDB IDNot Available
ECMDB IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General ReferencesNot Available