You are using an unsupported browser. Please upgrade your browser to a newer version to get the best experience on Human Metabolome Database.
Record Information
Version4.0
StatusDetected but not Quantified
Creation Date2012-09-11 20:14:46 UTC
Update Date2019-01-11 19:49:52 UTC
HMDB IDHMDB0035289
Secondary Accession Numbers
  • HMDB35289
Metabolite Identification
Common Name2,5-Dimethylpyrazine
Description2,5-Dimethylpyrazine is found in cereals and cereal products. 2,5-Dimethylpyrazine is used as flavour additive and odorant in foods. 2,5-Dimethylpyrazine is present in asparagus, wheat bread, crispbread, Swiss cheeses, black or green tea, soya, malt, raw shrimp and squid.
Structure
Data?1547236192
Synonyms
ValueSource
25-Dimethyl-pyrazineChEMBL
2, 5-DimethylpyrazineHMDB
2,5-Dimethyl pyrazineHMDB
2,5-Dimethyl-1,4-diazineHMDB
2,5-Dimethyl-pyrazineHMDB
2,5-DimethylparadiazineHMDB
2,5-DimethylpiazineHMDB
FEMA 3272HMDB
PYRAZINE,2,5-dimethylHMDB
Chemical FormulaC6H8N2
Average Molecular Weight108.1411
Monoisotopic Molecular Weight108.068748266
IUPAC Name2,5-dimethylpyrazine
Traditional Name2,5-dimethylpyrazine
CAS Registry Number123-32-0
SMILES
CC1=CN=C(C)C=N1
InChI Identifier
InChI=1S/C6H8N2/c1-5-3-8-6(2)4-7-5/h3-4H,1-2H3
InChI KeyLCZUOKDVTBMCMX-UHFFFAOYSA-N
Chemical Taxonomy
DescriptionThis compound belongs to the class of organic compounds known as pyrazines. These are compounds containing a pyrazine ring, which is a six-member aromatic heterocycle, that consists of two nitrogen atoms (at positions 1 and 4) and four carbon atoms.
KingdomOrganic compounds
Super ClassOrganoheterocyclic compounds
ClassDiazines
Sub ClassPyrazines
Direct ParentPyrazines
Alternative Parents
Substituents
  • Pyrazine
  • Heteroaromatic compound
  • Azacycle
  • Hydrocarbon derivative
  • Organonitrogen compound
  • Aromatic heteromonocyclic compound
Molecular FrameworkAromatic heteromonocyclic compounds
External DescriptorsNot Available
Ontology
Disposition

Route of exposure:

Source:

Biological location:

Role

Biological role:

Physical Properties
StateLiquid
Experimental Properties
PropertyValueReference
Melting Point15 °CNot Available
Boiling PointNot AvailableNot Available
Water SolubilityNot AvailableNot Available
LogP0.63Not Available
Predicted Properties
PropertyValueSource
Water Solubility184 g/LALOGPS
logP0.62ALOGPS
logP-0.2ChemAxon
logS0.23ALOGPS
pKa (Strongest Basic)1.59ChemAxon
Physiological Charge0ChemAxon
Hydrogen Acceptor Count2ChemAxon
Hydrogen Donor Count0ChemAxon
Polar Surface Area25.78 ŲChemAxon
Rotatable Bond Count0ChemAxon
Refractivity30.93 m³·mol⁻¹ChemAxon
Polarizability11.91 ųChemAxon
Number of Rings1ChemAxon
Bioavailability1ChemAxon
Rule of FiveYesChemAxon
Ghose FilterYesChemAxon
Veber's RuleYesChemAxon
MDDR-like RuleYesChemAxon
Spectra
Spectrum TypeDescriptionSplash Key
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-052f-9300000000-081f35e3a3380ed2698bView in MoNA
GC-MSGC-MS Spectrum - EI-B (Non-derivatized)splash10-052f-9300000000-081f35e3a3380ed2698bView in MoNA
Predicted GC-MSPredicted GC-MS Spectrum - GC-MS (Non-derivatized) - 70eV, Positivesplash10-0a4i-8900000000-2ada7e902f3d0e2b31e9View in MoNA
LC-MS/MSLC-MS/MS Spectrum - , positivesplash10-0a4i-4900000000-7e680d62ffa714f80403View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Positivesplash10-0a4i-0900000000-9b8f23be4c9d8c94f24dView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Positivesplash10-0a4i-1900000000-b0964dc373b182b8f4c4View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Positivesplash10-0k9x-9000000000-dc3ffe8529561fb7b1cbView in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 10V, Negativesplash10-0a4i-0900000000-032c8099a4abe667a4b9View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 20V, Negativesplash10-0a4i-0900000000-58fa248974f5ade4ee46View in MoNA
Predicted LC-MS/MSPredicted LC-MS/MS Spectrum - 40V, Negativesplash10-0a4i-7900000000-890f0c8c1e9a4f4bf6ffView in MoNA
1D NMR1H NMR SpectrumNot AvailableView in JSpectraViewer
1D NMR13C NMR SpectrumNot AvailableView in JSpectraViewer
Biological Properties
Cellular Locations
  • Cytoplasm
  • Extracellular
Biospecimen Locations
  • Feces
Tissue LocationsNot Available
Pathways
Normal Concentrations
Not Available
Abnormal Concentrations
BiospecimenStatusValueAgeSexConditionReferenceDetails
FecesDetected but not Quantified Adult (>18 years old)Both
Campylobacter jejuni infection
details
FecesDetected but not Quantified Adult (>18 years old)Both
Clostridium difficile infection
details
FecesDetected but not Quantified Adult (>18 years old)Both
Ulcerative Colitis
details
Associated Disorders and Diseases
Disease References
Ulcerative colitis
  1. Garner CE, Smith S, de Lacy Costello B, White P, Spencer R, Probert CS, Ratcliffe NM: Volatile organic compounds from feces and their potential for diagnosis of gastrointestinal disease. FASEB J. 2007 Jun;21(8):1675-88. Epub 2007 Feb 21. [PubMed:17314143 ]
Associated OMIM IDsNone
DrugBank IDNot Available
Phenol Explorer Compound IDNot Available
FoodDB IDFDB013954
KNApSAcK IDNot Available
Chemspider ID28992
KEGG Compound IDNot Available
BioCyc IDNot Available
BiGG IDNot Available
Wikipedia LinkAlkylpyrazine
METLIN IDNot Available
PubChem Compound31252
PDB ID25R
ChEBI 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.. .