Record Information
Version1.0
Creation Date2016-06-03 12:27:26 UTC
Update Date2016-11-09 01:23:11 UTC
Accession NumberCHEM044658
Identification
Common Name5-methylisoxazole-4-carboxylic acid
ClassSmall Molecule
DescriptionNot Available
Contaminant Sources
  • STOFF IDENT Compounds
Contaminant TypeNot Available
Chemical Structure
Thumb
Synonyms
ValueSource
5-Methyl-1,2-oxazole-4-carboxylateGenerator
5-Methylisoxazole-4-carboxylateGenerator
Chemical FormulaC5H5NO3
Average Molecular Mass127.099 g/mol
Monoisotopic Mass127.027 g/mol
CAS Registry Number42831-50-5
IUPAC Name5-methyl-1,2-oxazole-4-carboxylic acid
Traditional Name5-methyl-1,2-oxazole-4-carboxylic acid
SMILESCC1=C(C=NO1)C(O)=O
InChI IdentifierInChI=1S/C5H5NO3/c1-3-4(5(7)8)2-6-9-3/h2H,1H3,(H,7,8)
InChI KeyVQBXUKGMJCPBMF-UHFFFAOYSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as isoxazoles. These are heterocyclic organic compounds containing an isoxazole moiety, with a structure characterized by a five-member aromatic ring with one oxygen atom and one nitrogen atom at ring positions 1 and 2, respectively.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassAzoles
Sub ClassIsoxazoles
Direct ParentIsoxazoles
Alternative Parents
Substituents
  • Heteroaromatic compound
  • Isoxazole
  • Oxacycle
  • 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
  • Aromatic heteromonocyclic compound
Molecular FrameworkAromatic 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 Solubility35.4 g/LALOGPS
logP0.33ALOGPS
logP0.19ChemAxon
logS-0.56ALOGPS
pKa (Strongest Acidic)3.98ChemAxon
pKa (Strongest Basic)-0.6ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area63.33 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity29.91 m³·mol⁻¹ChemAxon
Polarizability11.04 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, Positivesplash10-01t9-1900000000-01652c50ad61b41e63d7Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-03e9-4900000000-7b9586f833430046f06dSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0fto-9000000000-f5e920dc1f0b034eda26Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-003r-9500000000-7a66c435473d57c30c76Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-001i-9000000000-95da6a69f7c8f1020114Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-001l-9000000000-2e3c21129aadf34af125Spectrum
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 IDNot Available
Kegg Compound IDNot Available
YMDB IDNot Available
ECMDB IDNot Available
References
Synthesis ReferenceNot Available
MSDSNot Available
General ReferencesNot Available