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Record Information
StatusExpected but not Quantified
Creation Date2012-09-12 01:05:07 UTC
Update Date2019-07-23 06:30:01 UTC
Secondary Accession Numbers
  • HMDB39581
Metabolite Identification
Common NameEthyl crotonate
DescriptionEthyl crotonate is found in alcoholic beverages. Ethyl crotonate is a component of strawberry aroma, guava fruit and peel (Psidium guajava), pineapple, yellow passion fruit and other fruits. Also present in white wine and mussels. Ethyl crotonate is a flavouring ingredient.
(e)-2-Butenoic acid ethyl esterHMDB
(e)-alpha-Crotonic acid ethyl esterHMDB
(e)-Ethyl 2-butenoateHMDB
2-Butenoic acid, ethyl ester, (e)- (9ci)HMDB
alpha -Crotonic acid ethyl esterHMDB
Crotonic acid ethyl esterHMDB
Crotonic acid, ethyl esterHMDB
Ethyl (2E)-2-butenoateHMDB
Ethyl (2E)-but-2-enoateHMDB
Ethyl (e)-2-butenoateHMDB
Ethyl (e)-crotonateHMDB
Ethyl crotonate (e)HMDB
Ethyl ester(2E)-2-butenoic acidHMDB
Ethyl ester(e)-2-butenoic acidHMDB
Ethyl ester(e)-crotonic acidHMDB
Ethyl trans-crotonateHMDB
Ethylester kyseliny krotonoveHMDB
trans-2-Butenoic acid ethyl esterHMDB
Chemical FormulaC6H10O2
Average Molecular Weight114.1424
Monoisotopic Molecular Weight114.068079564
IUPAC Nameethyl (2Z)-but-2-enoate
Traditional Nameethyl (2Z)-but-2-enoate
CAS Registry Number623-70-1
InChI Identifier
Chemical Taxonomy
DescriptionThis compound 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
  • Fatty acid ester
  • Alpha,beta-unsaturated carboxylic ester
  • Enoate ester
  • Carboxylic acid ester
  • Monocarboxylic acid or derivatives
  • Carboxylic acid derivative
  • Hydrocarbon derivative
  • Organooxygen compound
  • Carbonyl group
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External DescriptorsNot Available

Route of exposure:


Biological location:


Naturally occurring process:


Industrial application:

Biological role:

Physical Properties
StateNot Available
Experimental Properties
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Predicted Properties
Water Solubility9.25 g/LALOGPS
pKa (Strongest Basic)-6.8ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area26.3 ŲChemAxon
Rotatable Bond Count3ChemAxon
Refractivity32.48 m³·mol⁻¹ChemAxon
Polarizability12.35 ųChemAxon
Number of Rings0ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectrum TypeDescriptionSplash KeyView
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-014i-9000000000-865c2f890d4c957c9ed2JSpectraViewer | MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-014i-5900000000-57ce442ea41ae31d8f4bJSpectraViewer | MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-014i-9100000000-057912fbfafa02b78116JSpectraViewer | MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-002f-9000000000-2b1ac297ad6411181115JSpectraViewer | MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-03xr-8900000000-204f691b3b64230779e1JSpectraViewer | MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-02t9-9200000000-43adce041ed532b36374JSpectraViewer | MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-014v-9000000000-33d0bc00061d70ac9a8dJSpectraViewer | MoNA
Biological Properties
Cellular Locations
  • Cytoplasm
  • Extracellular
  • Membrane
Biospecimen LocationsNot Available
Tissue LocationsNot Available
Normal Concentrations
Not Available
Abnormal Concentrations
Not Available
Associated Disorders and Diseases
Disease ReferencesNone
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDFDB019204
KNApSAcK IDNot Available
Chemspider ID4510483
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound5354263
PDB IDNot Available
ChEBI IDNot Available
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.