Record Information
Version1.0
Creation Date2016-05-26 04:18:46 UTC
Update Date2016-11-09 01:20:58 UTC
Accession NumberCHEM033625
Identification
Common Name2-Methyl-3-(methylthio)pyrazine
ClassSmall Molecule
Description2-Methyl-3-(methylthio)pyrazine is found in coffee and coffee products. 2-Methyl-3-(methylthio)pyrazine is a constituent of coffee aroma and flavouring agent *FEMA 3208*, as mixture with regioisomers.
Contaminant Sources
  • FooDB Chemicals
Contaminant TypeNot Available
Chemical Structure
Thumb
Synonyms
ValueSource
2-Methyl-3-methylsulfanyl-pyrazineHMDB
2-Methyl-3-(methylsulphanyl)pyrazineGenerator
Chemical FormulaC6H8N2S
Average Molecular Mass140.206 g/mol
Monoisotopic Mass140.041 g/mol
CAS Registry Number2882-20-4
IUPAC Name2-methyl-3-(methylsulfanyl)pyrazine
Traditional Name2-methyl-3-(methylsulfanyl)pyrazine
SMILESCSC1=C(C)N=CC=N1
InChI IdentifierInChI=1S/C6H8N2S/c1-5-6(9-2)8-4-3-7-5/h3-4H,1-2H3
InChI KeyPPPFFGVGWFKTHX-UHFFFAOYSA-N
Chemical Taxonomy
Description belongs to the class of organic compounds known as aryl thioethers. These are organosulfur compounds containing a thioether group that is substituted by an aryl group.
KingdomOrganic compounds
Super ClassOrganosulfur compounds
ClassThioethers
Sub ClassAryl thioethers
Direct ParentAryl thioethers
Alternative Parents
Substituents
  • Aryl thioether
  • Alkylarylthioether
  • Pyrazine
  • Heteroaromatic compound
  • Azacycle
  • Organoheterocyclic compound
  • Sulfenyl compound
  • Organic nitrogen compound
  • Organopnictogen compound
  • Hydrocarbon derivative
  • Organonitrogen compound
  • Aromatic heteromonocyclic compound
Molecular FrameworkAromatic heteromonocyclic compounds
External DescriptorsNot Available
Biological Properties
StatusDetected and Not Quantified
OriginNot Available
Cellular LocationsNot Available
Biofluid LocationsNot Available
Tissue LocationsNot Available
PathwaysNot Available
ApplicationsNot Available
Biological RolesNot Available
Chemical RolesNot Available
Physical Properties
StateNot Available
AppearanceNot Available
Experimental Properties
PropertyValue
Melting PointNot Available
Boiling PointNot Available
SolubilityNot Available
Predicted Properties
PropertyValueSource
Water Solubility18.4 g/LALOGPS
logP1.42ALOGPS
logP0.89ChemAxon
logS-0.88ALOGPS
pKa (Strongest Basic)0.98ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area25.78 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity39.41 m³·mol⁻¹ChemAxon
Polarizability14.62 ųChemAxon
Number of Rings1ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleNoChemAxon
Spectra
Spectra
Spectrum TypeDescriptionSplash KeyView
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-0006-9700000000-fcb7c31349a9bc8e0c06Spectrum
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, PositiveNot AvailableSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0006-0900000000-101ae96b364ca9f34bf3Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0006-2900000000-5c12e4c245d83ef7517dSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0fr6-9000000000-b6459eb33d4d3a8f75b3Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-000i-2900000000-a7ba40ef4cb0481d4defSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-000f-9500000000-aa1330170da903fd1e62Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0006-9000000000-ffc0fa5b845fb7b0cca1Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-000i-1900000000-87e5deebcfa387529a37Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0006-9300000000-79ee9669336c3bde0a0fSpectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0006-9000000000-8db7078a772f2a2633c3Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0006-5900000000-f1e7feeef742b23062c1Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0006-9600000000-e82bddd31fd4167472e5Spectrum
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0udu-9000000000-f1f132add51db404e0f6Spectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
1D NMR13C NMR SpectrumNot AvailableSpectrum
1D NMR1H NMR SpectrumNot AvailableSpectrum
Toxicity Profile
Route of ExposureNot Available
Mechanism of ToxicityNot Available
MetabolismNot Available
Toxicity ValuesNot Available
Lethal DoseNot Available
Carcinogenicity (IARC Classification)Not Available
Uses/SourcesNot Available
Minimum Risk LevelNot Available
Health EffectsNot Available
SymptomsNot Available
TreatmentNot Available
Concentrations
Not Available
DrugBank IDNot Available
HMDB IDHMDB0032384
FooDB IDFDB020200
Phenol Explorer IDNot Available
KNApSAcK IDNot Available
BiGG IDNot Available
BioCyc IDNot Available
METLIN IDNot Available
PDB IDNot Available
Wikipedia LinkNot Available
Chemspider ID68636
ChEBI IDNot Available
PubChem Compound ID76152
Kegg Compound IDNot Available
YMDB IDNot Available
ECMDB IDNot Available
References
Synthesis ReferenceNot Available
MSDSNot Available
General References
1. Yannai, Shmuel. (2004) Dictionary of food compounds with CD-ROM: Additives, flavors, and ingredients. Boca Raton: Chapman & Hall/CRC.