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Record Information
Version3.6
Creation Date2005-11-16 15:48:42 UTC
Update Date2016-02-11 01:02:43 UTC
HMDB IDHMDB00486
Secondary Accession NumbersNone
Metabolite Identification
Common Name7-Hydroxyoctanoic acid
Description7-Hydroxyoctanoic acid is a normal metabolite of medium-chain fatty acid oxidation, and is excreted in the urine as 7-hydroxyoctanoyl-beta-D-glucuronide (PMID 8799296 ), and have been found slightly elevated in the urine of persons with abnormal fatty acid metabolism (PMID 2094705 ).
Structure
Thumb
Synonyms
ValueSource
7-Hydroxy-octanoateHMDB
7-Hydroxy-octanoic acidHMDB
7-HydroxyoctanoateHMDB
Chemical FormulaC8H16O3
Average Molecular Weight160.2108
Monoisotopic Molecular Weight160.109944378
IUPAC Name7-hydroxyoctanoic acid
Traditional Name7-hydroxyoctanoic acid
CAS Registry Number17173-14-7
SMILES
CC(O)CCCCCC(O)=O
InChI Identifier
InChI=1S/C8H16O3/c1-7(9)5-3-2-4-6-8(10)11/h7,9H,2-6H2,1H3,(H,10,11)
InChI KeyInChIKey=OFCMTSZRXXFMBQ-UHFFFAOYSA-N
Chemical Taxonomy
DescriptionThis compound belongs to the class of organic compounds known as medium-chain hydroxy acids and derivatives. These are hydroxy acids with a 6 to 12 carbon atoms long side chain.
KingdomOrganic compounds
Super ClassOrganic acids and derivatives
ClassHydroxy acids and derivatives
Sub ClassMedium-chain hydroxy acids and derivatives
Direct ParentMedium-chain hydroxy acids and derivatives
Alternative Parents
Substituents
  • Medium-chain hydroxy acid
  • Medium-chain fatty acid
  • Fatty acyl
  • Fatty acid
  • Secondary alcohol
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Carboxylic acid derivative
  • Hydrocarbon derivative
  • Organooxygen compound
  • Carbonyl group
  • Alcohol
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External DescriptorsNot Available
Ontology
StatusDetected and Quantified
Origin
  • Endogenous
BiofunctionNot Available
ApplicationNot Available
Cellular locations
  • Cytoplasm
Physical Properties
StateSolid
Experimental Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
PropertyValueSource
Water Solubility12.5 mg/mLALOGPS
logP1.33ALOGPS
logP1.24ChemAxon
logS-1.1ALOGPS
pKa (Strongest Acidic)4.87ChemAxon
pKa (Strongest Basic)-1.6ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count2ChemAxon
Polar Surface Area57.53 Å2ChemAxon
Rotatable Bond Count6ChemAxon
Refractivity42.02 m3·mol-1ChemAxon
Polarizability18.24 Å3ChemAxon
Number of Rings0ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash Key
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 10V, N/A (Annotated)splash10-004j-5900000000-a85c06e01dbb9185392cView in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 25V, N/A (Annotated)splash10-0a4i-9000000000-6e04eb7529ce6e974d15View in MoNA
LC-MS/MSLC-MS/MS Spectrum - Quattro_QQQ 40V, N/A (Annotated)splash10-0a4i-9000000000-539051793102de67657fView in MoNA
Biological Properties
Cellular Locations
  • Cytoplasm
Biofluid Locations
  • Urine
Tissue LocationNot Available
PathwaysNot Available
Normal Concentrations
Not Available
Abnormal Concentrations
BiofluidStatusValueAgeSexConditionReferenceDetails
UrineDetected and Quantified1.00 (0.00-2.00) umol/mmol creatinineAdult (>18 years old)BothMedium Chain Acyl-CoA Dehydrogenase Deficiency details
UrineDetected and Quantified152.00 (4.00-300.00) umol/mmol creatinineChildren (1-13 years old)BothMedium chain acyl-CoA dehydrogenase deficiency (MCAD) details
Associated Disorders and Diseases
Disease References
Medium Chain Acyl-CoA Dehydrogenase Deficiency
  1. MetaGene [Link]
Associated OMIM IDs
  • 201450 (Medium Chain Acyl-CoA Dehydrogenase Deficiency)
DrugBank IDNot Available
DrugBank Metabolite IDNot Available
Phenol Explorer Compound IDNot Available
Phenol Explorer Metabolite IDNot Available
FoodDB IDFDB022069
KNApSAcK IDNot Available
Chemspider ID146647
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
NuGOwiki LinkHMDB00486
Metagene LinkHMDB00486
METLIN ID5473
PubChem Compound167627
PDB IDNot Available
ChEBI IDNot Available
References
Synthesis ReferenceSugiyama, Noboru; Gasha, Taketoshi; Kashima, Choji. Macrocyclic dilactone. I. Synthesis of 7-hydroxyoctanoic acid dilactone. Bulletin of the Chemical Society of Japan (1967), 40(11), 02713-14.
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Pitt JJ: Gas chromatographic-mass spectrometric characterisation of unsaturated dicarboxylic acids in urine. J Chromatogr. 1990 Dec 14;534:182-9. [2094705 ]
  2. Costa CC, Dorland L, Kroon M, Tavares de Almeida I, Jakobs C, Duran M: 3-, 6- and 7-hydroxyoctanoic acids are metabolites of medium-chain triglycerides and excreted in urine as glucuronides. J Mass Spectrom. 1996 Jun;31(6):633-8. [8799296 ]