Record Information
Version1.0
Creation Date2016-06-03 12:54:36 UTC
Update Date2016-11-09 01:23:17 UTC
Accession NumberCHEM045180
Identification
Common Name2,4-dihydro-5-methyl-3H-pyrazol-3-one
ClassSmall Molecule
Description
Contaminant Sources
  • STOFF IDENT Compounds
Contaminant TypeNot Available
Chemical Structure
Thumb
SynonymsNot Available
Chemical FormulaC4H6N2O
Average Molecular Mass98.105 g/mol
Monoisotopic Mass98.048 g/mol
CAS Registry Number108-26-9
IUPAC Name5-methyl-4H-pyrazol-3-ol
Traditional Name5-methyl-4H-pyrazol-3-ol
SMILESCC1=NN=C(O)C1
InChI IdentifierInChI=1S/C4H6N2O/c1-3-2-4(7)6-5-3/h2H2,1H3,(H,6,7)
InChI KeyNHLAPJMCARJFOG-UHFFFAOYSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as pyrazolones. Pyrazolones are compounds containing a pyrazole ring which bears a ketone.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassAzolines
Sub ClassPyrazolines
Direct ParentPyrazolones
Alternative Parents
Substituents
  • Pyrazolinone
  • Azacycle
  • Carboxylic acid derivative
  • Organic nitrogen compound
  • Organic oxygen compound
  • Organopnictogen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Organonitrogen compound
  • Carbonyl group
  • Aliphatic heteromonocyclic compound
Molecular FrameworkAliphatic heteromonocyclic compounds
External DescriptorsNot Available
Biological Properties
StatusDetected and Not Quantified
OriginNot Available
Cellular LocationsNot Available
Biofluid LocationsNot Available
Tissue LocationsNot Available
PathwaysNot Available
ApplicationsNot Available
Biological RolesNot Available
Chemical RolesNot Available
Physical Properties
StateNot Available
AppearanceNot Available
Experimental Properties
PropertyValue
Melting PointNot Available
Boiling PointNot Available
SolubilityNot Available
Predicted Properties
PropertyValueSource
Water Solubility4.61 g/LALOGPS
logP-0.07ALOGPS
logP0.067ChemAxon
logS-1.3ALOGPS
pKa (Strongest Acidic)4.46ChemAxon
pKa (Strongest Basic)-3.1ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area44.95 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity25.34 m³·mol⁻¹ChemAxon
Polarizability9.62 ųChemAxon
Number of Rings1ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-000t-9000000000-730c90fb545a9128fa2aSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-000t-9000000000-42bdcb397b35c3cc756fSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-000x-9000000000-c8c12e5b4cb43d151bd2Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0002-9000000000-fc8f69cb17d56d6a81acSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-004i-9000000000-de2a133b6183d049032dSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-014i-9000000000-584322573ea9881b82ccSpectrum
Toxicity Profile
Route of ExposureNot Available
Mechanism of ToxicityNot Available
MetabolismNot Available
Toxicity ValuesNot Available
Lethal DoseNot Available
Carcinogenicity (IARC Classification)Not Available
Uses/SourcesNot Available
Minimum Risk LevelNot Available
Health EffectsNot Available
SymptomsNot Available
TreatmentNot Available
Concentrations
Not Available
DrugBank IDNot Available
HMDB IDNot Available
FooDB IDNot Available
Phenol Explorer IDNot Available
KNApSAcK IDNot Available
BiGG IDNot Available
BioCyc IDNot Available
METLIN IDNot Available
PDB IDNot Available
Wikipedia LinkNot Available
Chemspider IDNot Available
ChEBI IDNot Available
PubChem Compound ID7920
Kegg Compound IDNot Available
YMDB IDNot Available
ECMDB IDNot Available
References
Synthesis ReferenceNot Available
MSDSNot Available
General ReferencesNot Available