3-methyl-2-oxobutanoate (PAMDB110198)

IdentificationTaxonomyPhysical PropertiesBiological PropertiesSpectraConcentrationsLinksReferencesEnzymes Transporters
Proteins (3280)
Record Information
Version 1.0
Update Date 1/22/2018 12:54:54 PM
Metabolite IDPAMDB110198
Identification
Name: 3-methyl-2-oxobutanoate
Description:A 2-oxo monocarboxylic acid anion that is the conjugate base of 3-methyl-2-oxobutanoic acid, arising from deprotonation of the carboxy group.
Structure
Thumb
🔍MOLSDFPDBSMILESInChIView Structure
Synonyms:
  • 2-oxo-3-methylbutanoate
  • 2-oxoisovalerate
  • α-keto-isovaleric acid
  • α-ketoisopentanoic acid
  • α-keto-isovalerate
  • α-oxoisovalerate
  • α-ketovaline
  • 2-keto-isovalerate
  • 2-ketovaline
  • α-keto-valine
  • 2-oxoisopentanoate
  • 2-keto-3-methylbutyric acid
Chemical Formula: C5H7O3
Average Molecular Weight: 115.11
Monoisotopic Molecular Weight: 116.0473441231
InChI Key: QHKABHOOEWYVLI-UHFFFAOYSA-M
InChI: InChI=1S/C5H8O3/c1-3(2)4(6)5(7)8/h3H,1-2H3,(H,7,8)/p-1
CAS number: 759-05-7
IUPAC Name:3-methyl-2-oxobutanoate
Traditional IUPAC Name: ?-ketoisovalerate
SMILES:CC(C(C([O-])=O)=O)C
Chemical Taxonomy
Taxonomy DescriptionThis compound belongs to the class of chemical entities known as short-chain keto acids and derivatives. These are keto acids with an alkyl chain the contains less than 6 carbon atoms.
Kingdom Chemical entities
Super ClassOrganic compounds
Class Organic acids and derivatives
Sub ClassKeto acids and derivatives
Direct Parent Short-chain keto acids and derivatives
Alternative Parents
Substituents
  • Branched fatty acid
  • Methyl-branched fatty acid
  • Short-chain keto acid
  • Alpha-keto acid
  • Fatty acyl
  • Alpha-hydroxy ketone
  • Ketone
  • Carboxylic acid derivative
  • Carboxylic acid
  • Monocarboxylic acid or derivatives
  • Carbonyl group
  • Hydrocarbon derivative
  • Organic oxygen compound
  • Organooxygen compound
  • Organic oxide
  • Aliphatic acyclic compound
Molecular Framework Aliphatic acyclic compounds
External Descriptors
Physical Properties
State: Solid
Charge:-1
Melting point: 31.5 °C
Experimental Properties:
PropertyValueReference
Melting Point31.5 °CNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
Water Solubility30.2 mg/mLALOGPS
logP0.49ALOGPS
logP1.31ChemAxon
logS-0.59ALOGPS
pKa (Strongest Acidic)3.37ChemAxon
pKa (Strongest Basic)-9.7ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area54.37 Å2ChemAxon
Rotatable Bond Count2ChemAxon
Refractivity27.19 m3·mol-1ChemAxon
Polarizability11.04 Å3ChemAxon
Number of Rings0ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Biological Properties
Cellular Locations: Not Available
Reactions:
pyruvate + L-Valine → L-Alanine + 3-methyl-2-oxobutanoate
(R)-2,3-dihydroxy-3-methylbutanoate → 3-methyl-2-oxobutanoate + Water
Hydrogen ion + 3-methyl-2-oxobutanoate → isobutanal + Carbon dioxide
Pathways:
  • Valine, Leucine and Isoleucine Degradation pae00280
Spectra
Spectra:
Spectrum TypeDescriptionSplash Key
GC-MSGC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies)splash10-000i-9500000000-ff936b879a69b5d118f8View in MoNA
GC-MSGC-MS Spectrum - GC-EI-TOF (Pegasus III TOF-MS system, Leco; GC 6890, Agilent Technologies)splash10-000i-8920000000-e37b37d64d43dcf763f0View in MoNA
GC-MSGC-MS Spectrum - GC-MS (1 MEOX; 1 TMS)splash10-000i-9400000000-e3995acc4818a98d0f48View in MoNA
GC-MSGC-MS Spectrum - GC-MS (1 MEOX; 1 TMS)splash10-0f79-9720000000-5d89487273e44ea61a68View in MoNA
Predicted GC-MSPredicted GC-MS Spectrum - GC-MSNot Available
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 10V, Positive (Annotated)splash10-000i-9000000000-10ab58a33e9ca7dbace0View in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 25V, Positive (Annotated)splash10-000i-9000000000-ad51ff01c94b6046ad64View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 10V, Negativesplash10-014i-0900000000-9993174a7b1801b90ddbView in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 20V, Negativesplash10-00xr-9500000000-293818b81e0879b6feb2View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 30V, Negativesplash10-00di-9000000000-75058f27a2178b9cf121View in MoNA
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ (API3000, Applied Biosystems) 40V, Negativesplash10-0006-9000000000-4c20af39e8ee009d5278View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-00r2-9400000000-21f8c3fae79161c82099View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-00dl-9000000000-5f25e41413738bb6b5d7View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0006-9000000000-801af00dea93fcfd637dView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-01b9-8900000000-5185c7dfc72c25069904View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-00xs-9200000000-7e2a275a65197f96f5d7View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0600-9000000000-0013e0ff06f9896a1337View in MoNA
1D NMR1H NMR SpectrumNot Available
1D NMR1H NMR SpectrumNot Available
1D NMR13C NMR SpectrumNot Available
2D NMR[1H,13C] 2D NMR SpectrumNot Available
2D NMR[1H,1H] 2D NMR SpectrumNot Available
References
References:
  • Dickinson JR, Harrison SJ, Hewlins MJ (1998)An investigation of the metabolism of valine to isobutyl alcohol in Saccharomyces cerevisiae. The Journal of biological chemistry 273, Pubmed: 9748245
Synthesis Reference: Pirrung, Michael C.; Ha, Hyun Joon; Holmes, Christopher P. Purification and inhibition of spinach a,b-dihydroxyacid dehydratase . Journal of Organic Chemistry (1989), 54(7), 1543-8.
Material Safety Data Sheet (MSDS) Download (PDF)
External Links:
ResourceLink
CAS759-05-7
ChEBI11851
ChemSpider4375810
HMDBHMDB00019
IAF126034011
KEGGC00141
MetaboLightsMTBLC11851
PubChem5204641