Record Information
Version1.0
Creation Date2016-09-30 22:36:04 UTC
Update Date2020-05-11 20:37:49 UTC
BMDB IDBMDB0000754
Secondary Accession Numbers
  • BMDB00754
Metabolite Identification
Common Name3-Hydroxyisovaleric acid
Description3-Hydroxyisovaleric acid, also known as HMB or 3-hydroxy-3-methylbutyrate, belongs to the class of organic compounds known as hydroxy fatty acids. These are fatty acids in which the chain bears a hydroxyl group. Based on a literature review a significant number of articles have been published on 3-Hydroxyisovaleric acid.
Structure
Thumb
Synonyms
ValueSource
3-Hydroxy-3-methylbutyric acidChEBI
3-Hydroxy-isovaleric acidChEBI
3-Methyl-3-hydroxybutyric acidChEBI
3-OH-Isovaleric acidChEBI
beta-Hydroxy-beta-methylbutyric acidChEBI
beta-Hydroxyisovaleric acidChEBI
HMBChEBI
HMB-D6ChEBI
3-Hydroxy-3-methylbutyrateGenerator
3-Hydroxy-isovalerateGenerator
3-Methyl-3-hydroxybutyrateGenerator
3-OH-IsovalerateGenerator
b-Hydroxy-b-methylbutyrateGenerator
b-Hydroxy-b-methylbutyric acidGenerator
beta-Hydroxy-beta-methylbutyrateGenerator
Β-hydroxy-β-methylbutyrateGenerator
Β-hydroxy-β-methylbutyric acidGenerator
b-HydroxyisovalerateGenerator
b-Hydroxyisovaleric acidGenerator
beta-HydroxyisovalerateGenerator
Β-hydroxyisovalerateGenerator
Β-hydroxyisovaleric acidGenerator
3-HydroxyisovalerateGenerator
beta Hydroxy beta methylbutyrateHMDB
beta-Hydroxy beta-methylbutyrateHMDB
3-Hydroxy-3-methyl-butanoateHMDB
3-Hydroxy-3-methyl-butanoic acidHMDB
3-Hydroxy-3-methyl-butyric acidHMDB
3-Hydroxy-3-methylbutanoateHMDB
3-Hydroxy-3-methylbutanoic acidHMDB
3-Hydroxyisovaleric acidMeSH
Chemical FormulaC5H10O3
Average Molecular Weight118.1311
Monoisotopic Molecular Weight118.062994186
IUPAC Name3-hydroxy-3-methylbutanoic acid
Traditional Name3-hydroxyisovaleric acid
CAS Registry Number625-08-1
SMILES
CC(C)(O)CC(O)=O
InChI Identifier
InChI=1S/C5H10O3/c1-5(2,8)3-4(6)7/h8H,3H2,1-2H3,(H,6,7)
InChI KeyAXFYFNCPONWUHW-UHFFFAOYSA-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
  • Methyl-branched fatty acid
  • Short-chain hydroxy acid
  • Hydroxy fatty acid
  • Branched fatty acid
  • Tertiary alcohol
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Carboxylic acid derivative
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Carbonyl group
  • Alcohol
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
Ontology
StatusDetected but not Quantified
Origin
  • Endogenous
BiofunctionNot Available
ApplicationNot Available
Cellular locations
  • Adiposome
  • Cell membrane
  • Cytoplasm
Physical Properties
StateSolid
Experimental Properties
PropertyValueReference
Melting Point65 - 67 °CNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
logP-0.12ALOGPS
logP-0.11ChemAxon
logS0.51ALOGPS
pKa (Strongest Acidic)4.55ChemAxon
pKa (Strongest Basic)-2.7ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area57.53 ŲChemAxon
Rotatable Bond Count2ChemAxon
Refractivity28.1 m³·mol⁻¹ChemAxon
Polarizability11.75 ųChemAxon
Number of Rings0ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectra
Spectra
Biological Properties
Cellular Locations
  • Adiposome
  • Cell membrane
  • Cytoplasm
Biospecimen Locations
  • Blood
  • Fibroblasts
  • Placenta
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodDetected but not QuantifiedNot QuantifiedNot SpecifiedNot SpecifiedNormal
    • Jiyuan Li, Everes...
details
FibroblastsExpected but not QuantifiedNot QuantifiedNot SpecifiedNot SpecifiedNormal
  • Not Applicable
details
PlacentaExpected but not QuantifiedNot QuantifiedNot SpecifiedNot SpecifiedNormal
  • Not Applicable
details
Abnormal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
BloodDetected but not QuantifiedNot QuantifiedNot SpecifiedNot Specified
Sub/clinical ketosis
details
HMDB IDHMDB0000754
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB022225
KNApSAcK IDNot Available
Chemspider ID62571
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkBeta-Hydroxy_beta-methylbutyric_acid
METLIN ID5722
PubChem Compound69362
PDB IDNot Available
ChEBI ID37084
References
Synthesis ReferenceRudney, Harry. Biosynthesis of b-hydroxy-b-methylglutaric acid. Journal of Biological Chemistry (1957), 227 363-77.
Material Safety Data Sheet (MSDS)Not Available
General ReferencesNot Available