Record Information
Version1.0
Creation date2010-04-08 22:08:08 UTC
Update date2015-07-20 22:23:27 UTC
Primary IDFDB008545
Secondary Accession NumbersNot Available
Chemical Information
FooDB Name2-Acetylpyrazine
Description2-Acetylpyrazine, also known as 1-pyrazinylethanone, belongs to the class of organic compounds known as aryl alkyl ketones. These are ketones have the generic structure RC(=O)R', where R = aryl group and R'=alkyl group. 2-Acetylpyrazine is a bitter, bread crust, and chip tasting compound. Based on a literature review a significant number of articles have been published on 2-Acetylpyrazine.
CAS Number22047-25-2
Structure
Thumb
Synonyms
SynonymSource
1-(2-Pyrazinyl)ethanoneChEBI
1-(Pyrazin-2-yl)ethan-1-oneChEBI
1-PyrazinylethanoneChEBI
2-Acetyl-1,4-diazineChEBI
AcetylpyrazineChEBI
Methyl 2-pyrazinyl ketoneChEBI
Methyl pyrazinyl ketoneChEBI
Pyrazin-1-ylethan-1-oneChEBI
1-(2-Pyrazinyl)-ethanoneHMDB
1-Pyrazin-2-ylethan-1-oneHMDB
1-Pyrazinyl-ethanoneHMDB
FEMA 3126HMDB
Ketone, methyl pyrazinylHMDB
L-Pyrazinyl-ethanoneHMDB
Pyrazine der.HMDB
Ethanone, 1-(2-pyrazinyl)-biospider
Ethanone, 1-pyrazinyl-biospider
Ethanone, l-pyrazinyl-biospider
Predicted Properties
PropertyValueSource
Water Solubility105 g/LALOGPS
logP-0.15ALOGPS
logP-0.52ChemAxon
logS-0.07ALOGPS
pKa (Strongest Acidic)14.43ChemAxon
pKa (Strongest Basic)-0.45ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count3ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area42.85 ŲChemAxon
Rotatable Bond Count1ChemAxon
Refractivity31.78 m³·mol⁻¹ChemAxon
Polarizability11.81 ųChemAxon
Number of Rings1ChemAxon
BioavailabilityYesChemAxon
Rule of FiveYesChemAxon
Ghose FilterNoChemAxon
Veber's RuleNoChemAxon
MDDR-like RuleNoChemAxon
Chemical FormulaC6H6N2O
IUPAC name1-(pyrazin-2-yl)ethan-1-one
InChI IdentifierInChI=1S/C6H6N2O/c1-5(9)6-4-7-2-3-8-6/h2-4H,1H3
InChI KeyDBZAKQWXICEWNW-UHFFFAOYSA-N
Isomeric SMILESCC(=O)C1=CN=CC=N1
Average Molecular Weight122.1246
Monoisotopic Molecular Weight122.048012824
Classification
Description Belongs to the class of organic compounds known as aryl alkyl ketones. These are ketones have the generic structure RC(=O)R', where R = aryl group and R'=alkyl group.
KingdomOrganic compounds
Super ClassOrganic oxygen compounds
ClassOrganooxygen compounds
Sub ClassCarbonyl compounds
Direct ParentAryl alkyl ketones
Alternative Parents
Substituents
  • Aryl alkyl ketone
  • Pyrazine
  • Heteroaromatic compound
  • Azacycle
  • Organoheterocyclic compound
  • Organic nitrogen compound
  • Organopnictogen compound
  • Organic oxide
  • Hydrocarbon derivative
  • Organonitrogen compound
  • Aromatic heteromonocyclic compound
Molecular FrameworkAromatic heteromonocyclic compounds
External DescriptorsNot Available
Ontology
Disposition

Source:

Biological location:

Role

Industrial application:

Physico-Chemical Properties - Experimental
Physico-Chemical Properties - Experimental
PropertyValueReference
Physical stateNot Available
Physical DescriptionNot Available
Mass CompositionC 59.01%; H 4.95%; N 22.94%; O 13.10%DFC
Melting PointMp 75-77°DFC
Boiling PointNot Available
Experimental Water SolubilityNot Available
Experimental logP0.20YAMAGAMI,C ET AL. (1990A)
Experimental pKaNot Available
Isoelectric pointNot Available
ChargeNot Available
Optical RotationNot Available
Spectroscopic UV DataNot Available
DensityNot Available
Refractive IndexNot Available
Spectra
Spectra
EI-MS/GC-MS
TypeDescriptionSplash KeyView
Predicted GC-MS2-Acetylpyrazine, non-derivatized, Predicted GC-MS Spectrum - 70eV, Positivesplash10-0006-9200000000-4495fadffcc434c3d58dSpectrum
Predicted GC-MS2-Acetylpyrazine, non-derivatized, Predicted GC-MS Spectrum - 70eV, PositiveNot AvailableSpectrum
MS/MS
TypeDescriptionSplash KeyView
Predicted MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-00di-0900000000-49bbaaff2a12b4f124e8Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-05fr-1900000000-9d6b283affb4eec2c0a3Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0zfr-9400000000-3907007bd63d9ee459b5Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-00di-0900000000-248dae6e848530ce841eSpectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-00di-5900000000-758a19c07eb1d0f369d0Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0fb9-9100000000-4ed03e4ffbb35975d211Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-00b9-9500000000-30b5765d84d0cdb2aa63Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-00fr-9800000000-2aa463aac0f66ed570fdSpectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0uxr-9000000000-28047535b267934c3b60Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-00di-2900000000-c7dd773b2471830d1046Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0059-9000000000-3897dca8836895b8a374Spectrum
Predicted MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0ufr-9000000000-981bf08cecf06cd8f530Spectrum
NMRNot Available
ChemSpider ID28682
ChEMBL IDCHEMBL3188662
KEGG Compound IDNot Available
Pubchem Compound ID30914
Pubchem Substance IDNot Available
ChEBI IDNot Available
Phenol-Explorer IDNot Available
DrugBank IDNot Available
HMDB IDHMDB31861
CRC / DFC (Dictionary of Food Compounds) IDDNB61-P:DNB61-P
EAFUS ID49
Dr. Duke IDNot Available
BIGG IDNot Available
KNApSAcK IDNot Available
HET IDNot Available
Food Biomarker OntologyNot Available
VMH IDNot Available
Flavornet ID22047-25-2
GoodScent IDrw1012201
SuperScent ID30914
Wikipedia IDNot Available
Phenol-Explorer Metabolite IDNot Available
Duplicate IDSNot Available
Old DFC IDSNot Available
Associated Foods
FoodContent Range AverageReference
FoodReference
Biological Effects and Interactions
Health Effects / BioactivitiesNot Available
EnzymesNot Available
PathwaysNot Available
MetabolismNot Available
BiosynthesisNot Available
Organoleptic Properties
Flavours
FlavorCitations
roast
  1. Arn, H, Acree TE. “Flavornet: A database of aroma compounds based on odor potency in natural products”. Developments in Food Science 40 (1998): 27. doi:10.1016/S0167-4501(98)80029-0
tomato
  1. Dunkel, M. et al. SuperScent – a database of flavors and scents. Nucleic Acids Research 2008, doi:10.1093/nar/gkn695
chocolate
  1. Dunkel, M. et al. SuperScent – a database of flavors and scents. Nucleic Acids Research 2008, doi:10.1093/nar/gkn695
  2. The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
popcorn
  1. The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
nutty
  1. The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
corn
  1. The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
chip
  1. The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
bread crust
  1. The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
hazelnut
  1. The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
coffee
  1. The Good Scents Company (2009). Flavor and fragrance information catalog. <http://www.thegoodscentscompany.com/allprod.html> Accessed 15.10.23.
bitter
  1. Ayana Wiener, Marina Shudler, Anat Levit, Masha Y. Niv. BitterDB: a database of bitter compounds. Nucleic Acids Res 2012, 40(Database issue):D413-419. DOI:10.1093/nar/gkr755
Files
MSDSNot Available
References
Synthesis ReferenceNot Available
General ReferenceNot Available
Content Reference