<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2016-05-25 23:20:54 UTC</creation_date>
  <update_date>2026-04-16 22:46:29 UTC</update_date>
  <accession/>
  <common_name>2-Ethyl-3,(5 or 6)-dimethylpyrazine</common_name>
  <class>SmallMolecule</class>
  <description>2-Ethyl-3,(5 or 6)-dimethylpyrazine belongs to the pyrazines, a subclass of diazines within the organic compounds. This organoheterocyclic compound has the chemical formula C8H12N2 and an average molecular weight of 136.19 g/mol.

In industrial applications, the compound is utilized as a fragrance, as well as a flavouring and nutrient. It is identified in twelve recorded sources. Within the category of household cleaning and consumer products, it is found in bleaching agents, cigar cigarettes, non electric simulated smoking devices, other smoking requisites, pipe accessories, and three additional sources. It is also associated with food, food processing and cookware, specifically in food contact materials and the preparation of vinegar, wine, or sparkling wine. Furthermore, it is found in electrical and electronic equipment, specifically electrically stimulated smoking devices. Recorded exposure routes for this substance include inhalation, oral, and touch.</description>
  <categories/>
  <types/>
  <synonyms>
    <synonym>3-Ethyl-2,5-dimethylpyrazine</synonym>
  </synonyms>
  <chemical_formula>C8H12N2</chemical_formula>
  <average_molecular_weight>136.1943</average_molecular_weight>
  <monisotopic_moleculate_weight>136.100048394</monisotopic_moleculate_weight>
  <iupac_name>3-ethyl-2,5-dimethylpyrazine</iupac_name>
  <traditional_iupac>3-ethyl-2,5-dimethylpyrazine</traditional_iupac>
  <cas_registry_number>27043-05-6</cas_registry_number>
  <smiles>CCC1=NC(C)=CN=C1C</smiles>
  <inchi>InChI=1S/C8H12N2/c1-4-8-7(3)9-5-6(2)10-8/h5H,4H2,1-3H3</inchi>
  <inchikey>WHMWOHBXYIZFPF-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <kingdom>Organic compounds</kingdom>
    <super_class>Organoheterocyclic compounds</super_class>
    <class>Diazines</class>
    <sub_class>Pyrazines</sub_class>
    <direct_parent>Pyrazines</direct_parent>
    <alternate_parents>
      <alternative_parent>Azacyclic compounds</alternative_parent>
      <alternative_parent>Heteroaromatic compounds</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Organonitrogen compounds</alternative_parent>
      <alternative_parent>Organopnictogen compounds</alternative_parent>
    </alternate_parents>
    <substituents>
      <substituent>Aromatic heteromonocyclic compound</substituent>
      <substituent>Azacycle</substituent>
      <substituent>Heteroaromatic compound</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Organic nitrogen compound</substituent>
      <substituent>Organonitrogen compound</substituent>
      <substituent>Organopnictogen compound</substituent>
      <substituent>Pyrazine</substituent>
    </substituents>
    <molecular_framework>Aromatic heteromonocyclic compounds</molecular_framework>
    <descriptors/>
  </taxonomy>
  <status>Detected and Not Quantified</status>
  <origin/>
  <cellular_locations/>
  <biofluid_locations/>
  <tissue_locations/>
  <pathways/>
  <state/>
  <appearance/>
  <experimental_properties/>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>1.59</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-0.80</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>2.14e+01 g/l</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logp</kind>
      <value>0.63</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_basic</kind>
      <value>1.93</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>iupac</kind>
      <value>3-ethyl-2,5-dimethylpyrazine</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>average_mass</kind>
      <value>136.1943</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>136.100048394</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>smiles</kind>
      <value>CCC1=NC(C)=CN=C1C</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>C8H12N2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>InChI=1S/C8H12N2/c1-4-8-7(3)9-5-6(2)10-8/h5H,4H2,1-3H3</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>WHMWOHBXYIZFPF-UHFFFAOYSA-N</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polar_surface_area</kind>
      <value>25.78</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>refractivity</kind>
      <value>40.15</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polarizability</kind>
      <value>15.86</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>rotatable_bond_count</kind>
      <value>1</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>acceptor_count</kind>
      <value>2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>donor_count</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>physiological_charge</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formal_charge</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
  </predicted_properties>
  <route_of_exposure/>
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  <symptoms/>
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  <drugbank_id/>
  <hmdb_id/>
  <pubchem_compound_id>25916</pubchem_compound_id>
  <chembl_id/>
  <chemspider_id>24145</chemspider_id>
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</compound>
