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Record Information
Version5.0
StatusDetected but not Quantified
Creation Date2012-09-11 18:30:19 UTC
Update Date2023-02-21 17:23:34 UTC
HMDB IDHMDB0033745
Secondary Accession Numbers
  • HMDB33745
Metabolite Identification
Common NameEthyl 2-methylbutyrate
DescriptionEthyl 2-methylbutyrate, also known as ethyl α-methylbutyric acid, belongs to the class of organic compounds known as fatty acid esters. These are carboxylic ester derivatives of a fatty acid. Based on a literature review a significant number of articles have been published on Ethyl 2-methylbutyrate.
Structure
Data?1677000214
Synonyms
ValueSource
2-Methylbutanoic acid ethyl esterChEBI
Butanoic acid, 2-methyl-, ethyl esterChEBI
Butyric acid, 2-methyl-, ethyl esterChEBI
Ethyl 2-methylbutanoateChEBI
Ethyl alpha-methylbutyrateChEBI
2-Methylbutanoate ethyl esterGenerator
Butanoate, 2-methyl-, ethyl esterGenerator
Butyrate, 2-methyl-, ethyl esterGenerator
Ethyl 2-methylbutanoic acidGenerator
Ethyl a-methylbutyrateGenerator
Ethyl a-methylbutyric acidGenerator
Ethyl alpha-methylbutyric acidGenerator
Ethyl α-methylbutyrateGenerator
Ethyl α-methylbutyric acidGenerator
Ethyl 2-methylbutyric acidGenerator
2-Methyl-ethyl ester(.+-.)-butanoic acidHMDB
2-Methyl-ethyl ester(.+/-.)-butanoic acidHMDB
Butyric acid, 2-methyl-, ethyl ester (8ci)HMDB
Ethyl 2-methyl butyrateHMDB
Ethyl alpha -methylbutyrateHMDB
FEMA 2443HMDB
Ethyl 2-methyl-butanoic acidGenerator
Chemical FormulaC7H14O2
Average Molecular Weight130.1849
Monoisotopic Molecular Weight130.099379692
IUPAC Nameethyl 2-methylbutanoate
Traditional Nameethyl 2-methylbutanoate
CAS Registry Number7452-79-1
SMILES
CCOC(=O)C(C)CC
InChI Identifier
InChI=1S/C7H14O2/c1-4-6(3)7(8)9-5-2/h6H,4-5H2,1-3H3
InChI KeyHCRBXQFHJMCTLF-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as fatty acid esters. These are carboxylic ester derivatives of a fatty acid.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassFatty Acyls
Sub ClassFatty acid esters
Direct ParentFatty acid esters
Alternative Parents
Substituents
  • Fatty acid ester
  • Carboxylic acid ester
  • Monocarboxylic acid or derivatives
  • Carboxylic acid derivative
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organooxygen compound
  • Carbonyl group
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External Descriptors
Ontology
Physiological effect
Disposition
Process
Role
Physical Properties
StateNot Available
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling Point132.00 to 133.00 °C. @ 760.00 mm HgThe Good Scents Company Information System
Water Solubility1070 mg/L @ 25 °C (est)The Good Scents Company Information System
LogP2.158 (est)The Good Scents Company Information System
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility4.16 g/LALOGPS
logP2.38ALOGPS
logP1.97ChemAxon
logS-1.5ALOGPS
pKa (Strongest Basic)-7.1ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area26.3 ŲChemAxon
Rotatable Bond Count4ChemAxon
Refractivity35.96 m³·mol⁻¹ChemAxon
Polarizability15.09 ųChemAxon
Number of Rings0ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
Predicted Chromatographic Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference
DarkChem[M+H]+129.24631661259
DarkChem[M-H]-125.25131661259
DeepCCS[M+H]+133.89530932474
DeepCCS[M-H]-131.54230932474
DeepCCS[M-2H]-167.83630932474
DeepCCS[M+Na]+142.86830932474
AllCCS[M+H]+131.932859911
AllCCS[M+H-H2O]+127.832859911
AllCCS[M+NH4]+135.732859911
AllCCS[M+Na]+136.832859911
AllCCS[M-H]-132.732859911
AllCCS[M+Na-2H]-135.632859911
AllCCS[M+HCOO]-138.832859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
Ethyl 2-methylbutyrateCCOC(=O)C(C)CC1051.1Standard polar33892256
Ethyl 2-methylbutyrateCCOC(=O)C(C)CC837.2Standard non polar33892256
Ethyl 2-methylbutyrateCCOC(=O)C(C)CC869.5Semi standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Experimental GC-MSGC-MS Spectrum - Ethyl 2-methylbutyrate EI-B (Non-derivatized)splash10-0pdi-9200000000-bdeaf3cfa63daefe3b192017-09-12HMDB team, MONA, MassBankView Spectrum
Experimental GC-MSGC-MS Spectrum - Ethyl 2-methylbutyrate EI-B (Non-derivatized)splash10-0pdi-9200000000-bdeaf3cfa63daefe3b192018-05-18HMDB team, MONA, MassBankView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Ethyl 2-methylbutyrate GC-MS (Non-derivatized) - 70eV, Positivesplash10-0a4i-9100000000-c67ce7d1e083ae180d472016-09-22Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Ethyl 2-methylbutyrate GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - Ethyl 2-methylbutyrate GC-MS (Non-derivatized) - 70eV, PositiveNot Available2021-10-12Wishart LabView Spectrum

MS/MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ethyl 2-methylbutyrate 10V, Positive-QTOFsplash10-001i-3900000000-1f771d5f122d8509ac262016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ethyl 2-methylbutyrate 20V, Positive-QTOFsplash10-053i-9300000000-9d896e54b70902ce1a562016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ethyl 2-methylbutyrate 40V, Positive-QTOFsplash10-0a4i-9000000000-929834da4bfe99de3b572016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ethyl 2-methylbutyrate 10V, Negative-QTOFsplash10-004i-2900000000-71f2b191506baa0483352016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ethyl 2-methylbutyrate 20V, Negative-QTOFsplash10-004i-9800000000-ea2d1545369149cc6c652016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ethyl 2-methylbutyrate 40V, Negative-QTOFsplash10-0a4i-9100000000-ea16ca910e6ea9fbf53f2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ethyl 2-methylbutyrate 10V, Negative-QTOFsplash10-0udi-1900000000-c83f92da456b78baea0e2021-09-21Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ethyl 2-methylbutyrate 20V, Negative-QTOFsplash10-0fba-9800000000-cc057d042e5f608aaa5a2021-09-21Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ethyl 2-methylbutyrate 40V, Negative-QTOFsplash10-0pb9-9100000000-93094248cf7d4c3b50b82021-09-21Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ethyl 2-methylbutyrate 10V, Positive-QTOFsplash10-052r-9100000000-88ec4256d75360c1f9632021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ethyl 2-methylbutyrate 20V, Positive-QTOFsplash10-0a4r-9000000000-cd986aae045be0820fb72021-09-25Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - Ethyl 2-methylbutyrate 40V, Positive-QTOFsplash10-0a4i-9000000000-88b9f9e582718680dd722021-09-25Wishart LabView Spectrum

NMR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted 1D NMR13C NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 1000 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 200 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 300 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 400 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 500 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 600 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 700 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 800 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum

IR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+)2023-02-04FELIX labView Spectrum
Predicted IR SpectrumIR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+)2023-02-04FELIX labView Spectrum
Biological Properties
Cellular Locations
  • Cytoplasm
  • Extracellular
  • Membrane
Biospecimen Locations
  • Feces
Tissue LocationsNot Available
Pathways
Normal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
FecesDetected but not QuantifiedNot QuantifiedAdult (>18 years old)Both
Normal
details
FecesDetected but not QuantifiedNot QuantifiedNewborn (0-30 days old)Both
Normal
details
FecesDetected but not QuantifiedNot QuantifiedAdult (>18 years old)Both
Normal
details
Abnormal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
FecesDetected but not QuantifiedNot QuantifiedAdult (>18 years old)Both
Clostridium difficile infection
details
FecesDetected but not QuantifiedNot QuantifiedAdult (>18 years old)Both
Nonalcoholic fatty liver disease (NAFLD)
details
Associated Disorders and Diseases
Disease References
Nonalcoholic fatty liver disease
  1. Raman M, Ahmed I, Gillevet PM, Probert CS, Ratcliffe NM, Smith S, Greenwood R, Sikaroodi M, Lam V, Crotty P, Bailey J, Myers RP, Rioux KP: Fecal microbiome and volatile organic compound metabolome in obese humans with nonalcoholic fatty liver disease. Clin Gastroenterol Hepatol. 2013 Jul;11(7):868-75.e1-3. doi: 10.1016/j.cgh.2013.02.015. Epub 2013 Feb 27. [PubMed:23454028 ]
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FooDB IDFDB011877
KNApSAcK IDC00030220
Chemspider ID22453
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound24020
PDB IDNot Available
ChEBI ID88452
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDrw1004871
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. Simons K, Toomre D: Lipid rafts and signal transduction. Nat Rev Mol Cell Biol. 2000 Oct;1(1):31-9. [PubMed:11413487 ]
  2. Watson AD: Thematic review series: systems biology approaches to metabolic and cardiovascular disorders. Lipidomics: a global approach to lipid analysis in biological systems. J Lipid Res. 2006 Oct;47(10):2101-11. Epub 2006 Aug 10. [PubMed:16902246 ]
  3. Sethi JK, Vidal-Puig AJ: Thematic review series: adipocyte biology. Adipose tissue function and plasticity orchestrate nutritional adaptation. J Lipid Res. 2007 Jun;48(6):1253-62. Epub 2007 Mar 20. [PubMed:17374880 ]
  4. Lingwood D, Simons K: Lipid rafts as a membrane-organizing principle. Science. 2010 Jan 1;327(5961):46-50. doi: 10.1126/science.1174621. [PubMed:20044567 ]
  5. (). Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.. .
  6. Gunstone, Frank D., John L. Harwood, and Albert J. Dijkstra (2007). The lipid handbook with CD-ROM. CRC Press.