Record Information
Version1.0
Creation Date2016-05-26 05:20:06 UTC
Update Date2016-11-09 01:21:13 UTC
Accession NumberCHEM034922
Identification
Common NameD-Leucic acid
ClassSmall Molecule
DescriptionThe (R)-enantiomer of 2-hydroxy-4-methylpentanoic acid. Found in patients with short-bowel syndrome (an inborn error of metabolism), and in maple syrup urine disease, MSUD.
Contaminant Sources
  • FooDB Chemicals
Contaminant TypeNot Available
Chemical Structure
Thumb
Synonyms
ValueSource
(R)-2-Hydroxy-4-methylvaleric acidChEBI
(R)-2-Hydroxyisocaproic acidChEBI
(R)-Leucic acidChEBI
2-Hydroxy-4-methyl-D-valeric acidChEBI
alpha-Hydroxyisocaproic acidChEBI
D-2-Hydroxy-4-methylpentanoic acidChEBI
D-2-Hydroxy-4-methylvaleric acidChEBI
D-2-Hydroxyisocaproic acidChEBI
delta-Leucic acidChEBI
Leucic acidChEBI
D-2-HydroxyisocaproateKegg
(R)-2-Hydroxy-4-methylpentanoateKegg
D-LeucateKegg
(R)-2-Hydroxy-4-methylvalerateGenerator
(R)-2-HydroxyisocaproateGenerator
(R)-LeucateGenerator
2-Hydroxy-4-methyl-D-valerateGenerator
a-HydroxyisocaproateGenerator
a-Hydroxyisocaproic acidGenerator
alpha-HydroxyisocaproateGenerator
Α-hydroxyisocaproateGenerator
Α-hydroxyisocaproic acidGenerator
D-2-Hydroxy-4-methylpentanoateGenerator
D-2-Hydroxy-4-methylvalerateGenerator
delta-LeucateGenerator
Δ-leucateGenerator
Δ-leucic acidGenerator
LeucateGenerator
(R)-2-Hydroxy-4-methylpentanoic acidGenerator
(-)-2-HydroxyisocaproateHMDB
(-)-2-Hydroxyisocaproic acidHMDB
(-)-a-HydroxyisocaproateHMDB
(-)-a-Hydroxyisocaproic acidHMDB
(-)-alpha-HydroxyisocaproateHMDB
(-)-alpha-Hydroxyisocaproic acidHMDB
(R)-2-Hydroxy-4-methyl-pentanoateHMDB
(R)-2-Hydroxy-4-methyl-pentanoic acidHMDB
2-Hydroxy-4-methyl-delta-valerateHMDB
2-Hydroxy-4-methyl-delta-valeric acidHMDB
D-a-HydroxyisocaproateHMDB
D-a-Hydroxyisocaproic acidHMDB
delta-2-Hydroxy-4-methylpentanoateHMDB
delta-2-Hydroxy-4-methylpentanoic acidHMDB
delta-2-Hydroxy-4-methylvalerateHMDB
delta-2-Hydroxy-4-methylvaleric acidHMDB
delta-2-HydroxyisocaproateHMDB
delta-2-Hydroxyisocaproic acidHMDB
delta-alpha-HydroxyisocaproateHMDB
delta-alpha-Hydroxyisocaproic acidHMDB
Chemical FormulaC6H12O3
Average Molecular Mass132.158 g/mol
Monoisotopic Mass132.079 g/mol
CAS Registry Number20312-37-2
IUPAC Name(2R)-2-hydroxy-4-methylpentanoic acid
Traditional Name(-)-α-hydroxyisocaproate
SMILESCC(C)C[C@@H](O)C(O)=O
InChI IdentifierInChI=1S/C6H12O3/c1-4(2)3-5(7)6(8)9/h4-5,7H,3H2,1-2H3,(H,8,9)/t5-/m1/s1
InChI KeyLVRFTAZAXQPQHI-RXMQYKEDSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as hydroxy fatty acids. These are fatty acids in which the chain bears a hydroxyl group.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassFatty Acyls
Sub ClassFatty acids and conjugates
Direct ParentHydroxy fatty acids
Alternative Parents
Substituents
  • Branched fatty acid
  • Hydroxy fatty acid
  • Methyl-branched fatty acid
  • Alpha-hydroxy acid
  • Hydroxy acid
  • Secondary alcohol
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Carboxylic acid derivative
  • Organooxygen compound
  • Carbonyl group
  • Alcohol
  • Hydrocarbon derivative
  • Organic oxide
  • Organic oxygen compound
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
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 Solubility124 g/LALOGPS
logP0.5ALOGPS
logP0.78ChemAxon
logS-0.03ALOGPS
pKa (Strongest Acidic)4.26ChemAxon
pKa (Strongest Basic)-3.8ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area57.53 ŲChemAxon
Rotatable Bond Count3ChemAxon
Refractivity32.51 m³·mol⁻¹ChemAxon
Polarizability13.71 ųChemAxon
Number of Rings0ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-0006-9000000000-866999574fff80fabad1Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (2 TMS) - 70eV, Positivesplash10-02gc-9440000000-7fffd162011678b17f4aSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_1_1) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TMS_1_2) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TBDMS_1_1) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TBDMS_1_2) - 70eV, PositiveNot AvailableSpectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (TBDMS_2_1) - 70eV, PositiveNot AvailableSpectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , negativesplash10-001i-0900000000-74d5e5f39ea37f777acaSpectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , negativesplash10-0019-9500000000-7c7c7dc2d6548a20789dSpectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , negativesplash10-00kr-9000000000-226ab1053ca4714d6bc1Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , negativesplash10-014i-9000000000-027f1c6ebbf703c13661Spectrum
LC-MS/MSLC-MS/MS Spectrum - LC-ESI-QQ , negativesplash10-014i-9000000000-6217c9555a8c971b5deeSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0159-5900000000-01e9c211c49cea6fc5c6Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0ap0-9300000000-a1f6fc289aa530d63fd8Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0a4i-9000000000-eb5a5d102c8e756f6834Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-001i-2900000000-1a66b9767516fbd45630Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-06s9-9400000000-cf71f1c20e2a87bbb2b0Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0a4i-9000000000-11e049c8df5b1a6268c9Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0019-9700000000-a7d0b1ce1c211b31bc0dSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-00kr-9100000000-504826b66e199a65ef09Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-014l-9000000000-ccecb4a470c359949fecSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-014i-9000000000-3019a9d0620e7da01963Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-00kf-9000000000-e587d44396e53f2409faSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0006-9000000000-457ece1d510dad645c89Spectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
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 IDHMDB0000624
FooDB IDFDB022149
Phenol Explorer IDNot Available
KNApSAcK IDNot Available
BiGG IDNot Available
BioCyc IDNot Available
METLIN ID5597
PDB IDNot Available
Wikipedia Link2-Hydroxyisocaproic acid
Chemspider ID388986
ChEBI ID55534
PubChem Compound ID439960
Kegg Compound IDC03264
YMDB IDNot Available
ECMDB IDNot Available
References
Synthesis ReferenceNot Available
MSDSNot Available
General References
1. https://www.ncbi.nlm.nih.gov/pubmed/?term=9766851
2. Kallwass, Helmut K. W. Potential of R-2-hydroxyisocaproate dehydrogenase from Lactobacillus casei for stereospecific reductions. Enzyme and Microbial Technology (1992), 14(1), 28-35.
3. Marschall HU, Roeb E, Yildiz Y, Busch N, Nguyen H, Purucker E, Thomas HG, Matern S: Study of human isoursodeoxycholic acid metabolism. J Hepatol. 1997 Apr;26(4):863-70.
4. Heil M, Podebrad F, Beck T, Mosandl A, Sewell AC, Bohles H: Enantioselective multidimensional gas chromatography-mass spectrometry in the analysis of urinary organic acids. J Chromatogr B Biomed Sci Appl. 1998 Sep 4;714(2):119-26.