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Record Information
Version5.0
StatusExpected but not Quantified
Creation Date2012-09-11 22:26:02 UTC
Update Date2023-02-21 17:25:43 UTC
HMDB IDHMDB0037193
Secondary Accession Numbers
  • HMDB37193
Metabolite Identification
Common Name1-(Methylthio)-2-butanone
Description1-(Methylthio)-2-butanone belongs to the class of organic compounds known as ketones. These are organic compounds in which a carbonyl group is bonded to two carbon atoms R2C=O (neither R may be a hydrogen atom). Ketones that have one or more alpha-hydrogen atoms undergo keto-enol tautomerization, the tautomer being an enol. 1-(Methylthio)-2-butanone is a fishy, garlic, and mushroom tasting compound. 1-(Methylthio)-2-butanone has been detected, but not quantified in, a few different foods, such as arabica coffees (Coffea arabica), coffee and coffee products, and robusta coffees (Coffea canephora). This could make 1-(methylthio)-2-butanone a potential biomarker for the consumption of these foods. Based on a literature review very few articles have been published on 1-(Methylthio)-2-butanone.
Structure
Data?1677000343
Synonyms
ValueSource
FEMA 3207HMDB
1-(Methylsulphanyl)butan-2-oneGenerator
Chemical FormulaC5H10OS
Average Molecular Weight118.197
Monoisotopic Molecular Weight118.045235632
IUPAC Name1-(methylsulfanyl)butan-2-one
Traditional Name1-(methylsulfanyl)butan-2-one
CAS Registry Number13678-58-5
SMILES
CCC(=O)CSC
InChI Identifier
InChI=1S/C5H10OS/c1-3-5(6)4-7-2/h3-4H2,1-2H3
InChI KeyGOAGGJDTOMPTSA-UHFFFAOYSA-N
Chemical Taxonomy
Description Belongs to the class of organic compounds known as ketones. These are organic compounds in which a carbonyl group is bonded to two carbon atoms R2C=O (neither R may be a hydrogen atom). Ketones that have one or more alpha-hydrogen atoms undergo keto-enol tautomerization, the tautomer being an enol.
KingdomOrganic compounds
Super ClassOrganic oxygen compounds
ClassOrganooxygen compounds
Sub ClassCarbonyl compounds
Direct ParentKetones
Alternative Parents
Substituents
  • Ketone
  • Dialkylthioether
  • Sulfenyl compound
  • Thioether
  • Organic oxide
  • Hydrocarbon derivative
  • Organosulfur compound
  • Aliphatic acyclic compound
Molecular FrameworkAliphatic acyclic compounds
External DescriptorsNot Available
Ontology
Physiological effect
Disposition
ProcessNot Available
Role
Physical Properties
StateNot Available
Experimental Molecular Properties
PropertyValueReference
Melting PointNot AvailableNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogPNot AvailableNot Available
Experimental Chromatographic PropertiesNot Available
Predicted Molecular Properties
PropertyValueSource
Water Solubility8.21 g/LALOGPS
logP1.65ALOGPS
logP1.42ChemAxon
logS-1.2ALOGPS
pKa (Strongest Acidic)18.82ChemAxon
pKa (Strongest Basic)-7.5ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count1ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area17.07 ŲChemAxon
Rotatable Bond Count3ChemAxon
Refractivity33.3 m³·mol⁻¹ChemAxon
Polarizability13.21 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]+123.26831661259
DarkChem[M-H]-118.0831661259
DeepCCS[M+H]+128.4130932474
DeepCCS[M-H]-126.3330932474
DeepCCS[M-2H]-161.88730932474
DeepCCS[M+Na]+136.35130932474
AllCCS[M+H]+126.732859911
AllCCS[M+H-H2O]+122.632859911
AllCCS[M+NH4]+130.632859911
AllCCS[M+Na]+131.832859911
AllCCS[M-H]-136.032859911
AllCCS[M+Na-2H]-139.932859911
AllCCS[M+HCOO]-144.232859911

Predicted Kovats Retention Indices

Underivatized

MetaboliteSMILESKovats RI ValueColumn TypeReference
1-(Methylthio)-2-butanoneCCC(=O)CSC1363.3Standard polar33892256
1-(Methylthio)-2-butanoneCCC(=O)CSC902.3Standard non polar33892256
1-(Methylthio)-2-butanoneCCC(=O)CSC957.8Semi standard non polar33892256

Derivatized

Derivative Name / StructureSMILESKovats RI ValueColumn TypeReference
1-(Methylthio)-2-butanone,1TMS,isomer #1CCC(=CSC)O[Si](C)(C)C1136.3Semi standard non polar33892256
1-(Methylthio)-2-butanone,1TMS,isomer #1CCC(=CSC)O[Si](C)(C)C1076.5Standard non polar33892256
1-(Methylthio)-2-butanone,1TMS,isomer #2CC=C(CSC)O[Si](C)(C)C1128.6Semi standard non polar33892256
1-(Methylthio)-2-butanone,1TMS,isomer #2CC=C(CSC)O[Si](C)(C)C1081.1Standard non polar33892256
1-(Methylthio)-2-butanone,1TBDMS,isomer #1CCC(=CSC)O[Si](C)(C)C(C)(C)C1360.5Semi standard non polar33892256
1-(Methylthio)-2-butanone,1TBDMS,isomer #1CCC(=CSC)O[Si](C)(C)C(C)(C)C1294.0Standard non polar33892256
1-(Methylthio)-2-butanone,1TBDMS,isomer #2CC=C(CSC)O[Si](C)(C)C(C)(C)C1357.3Semi standard non polar33892256
1-(Methylthio)-2-butanone,1TBDMS,isomer #2CC=C(CSC)O[Si](C)(C)C(C)(C)C1289.6Standard non polar33892256
Spectra

GC-MS Spectra

Spectrum TypeDescriptionSplash KeyDeposition DateSourceView
Predicted GC-MSPredicted GC-MS Spectrum - 1-(Methylthio)-2-butanone GC-MS (Non-derivatized) - 70eV, Positivesplash10-0bvj-9000000000-ee9c8e3ba0728de6a4472017-09-01Wishart LabView Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - 1-(Methylthio)-2-butanone 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 - 1-(Methylthio)-2-butanone 10V, Positive-QTOFsplash10-0gb9-1900000000-b2c2a180e7cbb109d2432016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 1-(Methylthio)-2-butanone 20V, Positive-QTOFsplash10-0gi0-9800000000-edacf5f601538ed148aa2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 1-(Methylthio)-2-butanone 40V, Positive-QTOFsplash10-0pb9-9100000000-ec8a2328c4a20bf0b0b92016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 1-(Methylthio)-2-butanone 10V, Negative-QTOFsplash10-0002-9100000000-f5a99dca13c45f0241fa2016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 1-(Methylthio)-2-butanone 20V, Negative-QTOFsplash10-0002-9000000000-80fd790a2bd826e9a4952016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 1-(Methylthio)-2-butanone 40V, Negative-QTOFsplash10-0002-9000000000-60c4f45eced2fdb68a952016-08-03Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 1-(Methylthio)-2-butanone 10V, Positive-QTOFsplash10-00xr-9400000000-452c9d1b98699a2444c02021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 1-(Methylthio)-2-butanone 20V, Positive-QTOFsplash10-03di-9000000000-91181e953ed26d1bd26a2021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 1-(Methylthio)-2-butanone 40V, Positive-QTOFsplash10-01ot-9000000000-6a6f586d0425fb50f8852021-09-22Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 1-(Methylthio)-2-butanone 10V, Negative-QTOFsplash10-0002-9000000000-e1d92d2a30bee517d7542021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 1-(Methylthio)-2-butanone 20V, Negative-QTOFsplash10-0002-9000000000-e1d92d2a30bee517d7542021-09-23Wishart LabView Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 1-(Methylthio)-2-butanone 40V, Negative-QTOFsplash10-0002-9000000000-e1d92d2a30bee517d7542021-09-23Wishart LabView Spectrum

NMR Spectra

Spectrum TypeDescriptionDeposition DateSourceView
Predicted 1D NMR1H NMR Spectrum (1D, 100 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C NMR Spectrum (1D, 100 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, 1000 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, 200 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, 300 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, 400 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, 500 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, 600 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, 700 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, 800 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR1H NMR Spectrum (1D, 900 MHz, D2O, predicted)2021-09-25Wishart LabView Spectrum
Predicted 1D NMR13C 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
Biospecimen LocationsNot Available
Tissue LocationsNot Available
Pathways
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 IDFDB016195
KNApSAcK IDNot Available
Chemspider ID55561
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkNot Available
METLIN IDNot Available
PubChem Compound61656
PDB IDNot Available
ChEBI IDNot Available
Food Biomarker OntologyNot Available
VMH IDNot Available
MarkerDB IDNot Available
Good Scents IDNot Available
References
Synthesis ReferenceNot Available
Material Safety Data Sheet (MSDS)Not Available
General References
  1. (). Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.. .