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Record Information
StatusExpected but not Quantified
Creation Date2012-09-11 17:49:21 UTC
Update Date2021-10-13 06:23:21 UTC
Secondary Accession Numbers
  • HMDB32354
Metabolite Identification
Common NameS-Isopropyl 3-methylbut-2-enethioate
DescriptionS-Isopropyl 3-methylbut-2-enethioate, also known as S-1-methylethyl 3-methylbut-2-enethioate or S-isopropyl 3-methylthiocrotonate, belongs to the class of organic compounds known as fatty acyl thioesters. These are thioester derivatives of a fatty acid with the general formula RC(=O)SR', where R is the fatty acyl chain. Based on a literature review a small amount of articles have been published on S-Isopropyl 3-methylbut-2-enethioate.
S-Isopropyl 3-methylbut-2-enethioic acidGenerator
2-Butenethioic acid, 3-methyl-, S-(1-methylethyl) esterHMDB
S-1-Methylethyl 3-methylbut-2-enethioateHMDB
S-Isopropyl 3-methylthiocrotonateHMDB
Chemical FormulaC8H14OS
Average Molecular Weight158.261
Monoisotopic Molecular Weight158.07653576
IUPAC Name3-methyl-1-(propan-2-ylsulfanyl)but-2-en-1-one
Traditional Name1-(isopropylsulfanyl)-3-methylbut-2-en-1-one
CAS Registry Number34365-79-2
InChI Identifier
Chemical Taxonomy
Description Belongs to the class of organic compounds known as fatty acyl thioesters. These are thioester derivatives of a fatty acid with the general formula RC(=O)SR', where R is the fatty acyl chain.
KingdomOrganic compounds
Super ClassLipids and lipid-like molecules
ClassFatty Acyls
Sub ClassFatty acyl thioesters
Direct ParentFatty acyl thioesters
Alternative Parents
  • Fatty acyl thioester
  • Carbothioic s-ester
  • Thiocarboxylic acid ester
  • Sulfenyl compound
  • Thiocarboxylic acid or derivatives
  • Carboxylic acid derivative
  • Organic oxygen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organosulfur compound
  • Organooxygen compound
  • Carbonyl group
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External DescriptorsNot Available


Route of exposure

Physical Properties
StateNot Available
Experimental Molecular Properties
Melting PointNot AvailableNot Available
Boiling Point236.00 °C. @ 760.00 mm HgThe Good Scents Company Information System
Water Solubility0 slightlyThe Good Scents Company Information System
LogP2.709 (est)The Good Scents Company Information System
Experimental Spectral PropertiesNot Available
Predicted Molecular Properties
Water Solubility0.68 g/LALOGPS
logP10(2.56) g/LALOGPS
logP10(2.86) g/LChemAxon
logS10(-2.4) g/LALOGPS
pKa (Strongest Basic)-5.9ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area17.07 ŲChemAxon
Rotatable Bond Count3ChemAxon
Refractivity47.58 m³·mol⁻¹ChemAxon
Polarizability18.04 ųChemAxon
Number of Rings0ChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
Predicted Spectral Properties

Predicted Collision Cross Sections

PredictorAdduct TypeCCS Value (Å2)Reference

Predicted Kovats Retention Indices

Not Available
Biological Properties
Cellular Locations
  • 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
FooDB IDFDB009654
KNApSAcK IDNot Available
Chemspider ID106035
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound118658
PDB IDNot Available
ChEBI ID152031
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDrw1505261
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. (). EAFUS: Everything Added to Food in the United States.. .
  6. Gunstone, Frank D., John L. Harwood, and Albert J. Dijkstra (2007). The lipid handbook with CD-ROM. CRC Press.