Record Information
Version1.0
Creation date2010-04-08 22:07:57 UTC
Update date2017-04-03 05:02:12 UTC
Primary IDFDB008170
Secondary Accession Numbers
  • FDB008169
Chemical Information
FooDB Name(±)-4-Methyloctanoic acid
Description(±)-4-Methyloctanoic acid belongs to the class of organic compounds known as medium-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 4 and 12 carbon atoms (±)-4-Methyloctanoic acid is a very hydrophobic molecule, practically insoluble (in water), and relatively neutral.
CAS Number54947-74-9
Structure
Thumb
Synonyms
SynonymSource
(±)-4-methyloctanoateGenerator
(+/-)-4-methyloctanoIC ACIDHMDB
4-Methyl-octanoic acidHMDB
4-Methylcaprylic acidHMDB
FEMA 3575HMDB
4-Methyl-octanoateGenerator
4-Methyloctanoic acidMeSH
4-MethyloctanoateGenerator
Predicted Properties
PropertyValueSource
Water Solubility0.39 g/LALOGPS
logP3.12ALOGPS
logP2.99ChemAxon
logS-2.6ALOGPS
pKa (Strongest Acidic)5.23ChemAxon
Physiological Charge-1ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count1ChemAxon
Polar Surface Area37.3 ŲChemAxon
Rotatable Bond Count6ChemAxon
Refractivity44.82 m³·mol⁻¹ChemAxon
Polarizability19.09 ųChemAxon
Number of Rings0ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Chemical FormulaC9H18O2
IUPAC name4-methyloctanoic acid
InChI IdentifierInChI=1S/C9H18O2/c1-3-4-5-8(2)6-7-9(10)11/h8H,3-7H2,1-2H3,(H,10,11)
InChI KeyLEGGANXCVQPIAI-UHFFFAOYSA-N
Isomeric SMILESCCCCC(C)CCC(O)=O
Average Molecular Weight158.238
Monoisotopic Molecular Weight158.13067982
Classification
Description belongs to the class of organic compounds known as medium-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 4 and 12 carbon atoms.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassFatty Acyls
Sub ClassFatty acids and conjugates
Direct ParentMedium-chain fatty acids
Alternative Parents
Substituents
  • Medium-chain fatty acid
  • Methyl-branched fatty acid
  • Branched fatty acid
  • Monocarboxylic acid or derivatives
  • Carboxylic acid
  • Carboxylic acid derivative
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Carbonyl group
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
Ontology
Disposition

Route of exposure:

Source:

Biological location:

Process

Naturally occurring process:

Role

Biological role:

Industrial application:

Physico-Chemical Properties - Experimental
Physico-Chemical Properties - Experimental
PropertyValueReference
Physical stateNot Available
Physical DescriptionNot Available
Mass CompositionC 68.31%; H 11.46%; O 20.22%DFC
Melting PointNot Available
Boiling PointBp2 110.5-111.5°DFC
Experimental Water SolubilityNot Available
Experimental logPNot Available
Experimental pKaNot Available
Isoelectric pointNot Available
ChargeNot Available
Optical RotationNot Available
Spectroscopic UV DataNot Available
Densityd20 0.91DFC
Refractive Indexn20D 1.4335DFC
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-0k96-9300000000-26559116ae1229b0d2f9JSpectraViewer
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (1 TMS) - 70eV, Positivesplash10-05tu-9200000000-d34c6aba6c270147ae3dJSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0a4l-1900000000-52a5b6500fa326218533JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-06r6-8900000000-a034884d1dfc2d65ac63JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-052f-9000000000-364d523091f703c35e0eJSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0a4i-0900000000-825fad12bec3fa4f9a97JSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0a4i-2900000000-72035b766675f4ffd54eJSpectraViewer
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0a4i-9200000000-3bfa802155c0aaa27570JSpectraViewer
ChemSpider ID55926
ChEMBL IDNot Available
KEGG Compound IDNot Available
Pubchem Compound ID62089
Pubchem Substance IDNot Available
ChEBI IDNot Available
Phenol-Explorer IDNot Available
DrugBank IDNot Available
HMDB IDHMDB31557
CRC / DFC (Dictionary of Food Compounds) IDDCZ77-P:DCZ79-R
EAFUS IDNot Available
Dr. Duke IDNot Available
BIGG IDNot Available
KNApSAcK IDNot Available
HET IDNot Available
Food Biomarker OntologyNot Available
VMH IDNot Available
Flavornet IDNot Available
GoodScent IDNot Available
SuperScent IDNot Available
Wikipedia IDNot Available
Phenol-Explorer Metabolite IDNot Available
Duplicate IDSNot Available
Old DFC IDSNot Available
Associated Foods
FoodContent Range AverageReference
FoodReference
Biological Effects and Interactions
Health Effects / BioactivitiesNot Available
EnzymesNot Available
PathwaysNot Available
MetabolismNot Available
BiosynthesisNot Available
Organoleptic Properties
FlavoursNot Available
Files
MSDSNot Available
References
Synthesis ReferenceNot Available
General ReferenceNot Available
Content Reference