<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2010-04-08 22:14:44 UTC</creation_date>
  <update_date>2019-11-26 03:18:20 UTC</update_date>
  <accession>FDB020021</accession>
  <name>2-Ethyl-3,5-dimethylpyrazine</name>
  <description>Isolated from coffee aromaand is) also present in raw asparagus, wheat bread, other breads, smoked fatty fish, roast chicken, roast beef, lamb and mutton liver, black tea, hydrolyzed soy protein and other foods. Organoleptic agent. Flavouring agent. 2-Ethyl-3,5-dimethylpyrazine is found in many foods, some of which are animal foods, coffee and coffee products, tea, and cereals and cereal products.</description>
  <synonyms>
    <synonym>2-Ethyl-3,5-dimethyl pyrazine</synonym>
    <synonym>2-Ethyl-3,5-dimethyl-pyrazine</synonym>
    <synonym>2-Ethyl-3,5(6)-dimethyl-pyrazine</synonym>
    <synonym>2,6-Dimethyl-3-ethyl-pyrazine</synonym>
    <synonym>2,6-Dimethyl-3-ethylpyrazine</synonym>
    <synonym>3-Ethyl-2,6-dimethylpyrazine</synonym>
    <synonym>3,5-Dimethyl-2-ethyl-pyrazine</synonym>
    <synonym>3,5-Dimethyl-2-ethylpyrazine</synonym>
    <synonym>FEMA 3150</synonym>
    <synonym>Pyrazine, 2-ethyl-3,5-dimethyl-</synonym>
    <synonym>Pyrazine, 2,6-dimethyl-3-ethyl-</synonym>
    <synonym>Pyrazine, 3-ethyl-2,6-dimethyl</synonym>
    <synonym>Pyrazine, 3,5-dimethyl-2-ethyl-</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>2-ethyl-3,5-dimethylpyrazine</iupac_name>
  <traditional_iupac>2-ethyl-3,5-dimethylpyrazine</traditional_iupac>
  <cas_registry_number>13925-07-0</cas_registry_number>
  <smiles>CCC1=C(C)N=C(C)C=N1</smiles>
  <inchi>InChI=1S/C8H12N2/c1-4-8-7(3)10-6(2)5-9-8/h5H,4H2,1-3H3</inchi>
  <inchikey>JZBCTZLGKSYRSF-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as pyrazines. Pyrazines 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.</description>
    <direct_parent>Pyrazines</direct_parent>
    <kingdom>Organic compounds</kingdom>
    <super_class>Organoheterocyclic compounds</super_class>
    <class>Diazines</class>
    <sub_class>Pyrazines</sub_class>
    <molecular_framework>Aromatic heteromonocyclic compounds</molecular_framework>
    <alternative_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>
    </alternative_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>
    <external_descriptors>
    </external_descriptors>
  </taxonomy>
  <state/>
  <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>2.15e+01 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>0.63</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_basic</kind>
    <value>2.02</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>2-ethyl-3,5-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=C(C)N=C(C)C=N1</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)10-6(2)5-9-8/h5H,4H2,1-3H3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>JZBCTZLGKSYRSF-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>15.88</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>
  <pathways>
  </pathways>
  <spectra>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>3132</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>137504</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>145238</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>8899</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>8900</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>107328</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>107329</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>107330</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>174285</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>174286</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>174287</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2692508</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2692509</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2692510</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2990255</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2990256</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2990257</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>39702</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>39703</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>39704</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>39705</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>39706</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>39707</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>39708</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>39709</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>39710</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>39711</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>39712</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>39713</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>39714</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>39715</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>39716</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>39717</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>39718</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>39719</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>39720</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>39721</spectrum_id>
    </spectrum>
  </spectra>
  <hmdb_id>HMDB40299</hmdb_id>
  <pubchem_compound_id/>
  <chemspider_id/>
  <kegg_id/>
  <chebi_id/>
  <biocyc_id/>
  <het_id/>
  <wikipidia/>
  <vmh_id/>
  <fbonto_id/>
  <foodb_id/>
  <general_references>
    <reference>#&lt;Reference:0x000055ce327a6c90&gt;</reference>
  </general_references>
  <foods>
    <food>
      <name>Arabica coffee</name>
      <food_type>Type 1</food_type>
      <category>specific</category>
      <name_scientific>Coffea arabica</name_scientific>
      <ncbi_taxonomy_id>13443</ncbi_taxonomy_id>
    </food>
    <food>
      <name>Black tea</name>
      <food_type>Type 1</food_type>
      <category/>
      <name_scientific/>
      <ncbi_taxonomy_id/>
    </food>
    <food>
      <name>Breakfast cereal</name>
      <food_type>Type 2</food_type>
      <category>specific</category>
      <name_scientific/>
      <ncbi_taxonomy_id/>
    </food>
    <food>
      <name>Cereals and cereal products</name>
      <food_type>Unknown</food_type>
      <category>generic</category>
      <name_scientific/>
      <ncbi_taxonomy_id/>
    </food>
    <food>
      <name>Coffee and coffee products</name>
      <food_type>Unknown</food_type>
      <category>generic</category>
      <name_scientific/>
      <ncbi_taxonomy_id/>
    </food>
    <food>
      <name>Fishes</name>
      <food_type>Unknown</food_type>
      <category>generic</category>
      <name_scientific/>
      <ncbi_taxonomy_id/>
    </food>
    <food>
      <name>Green tea</name>
      <food_type>Type 1</food_type>
      <category/>
      <name_scientific/>
      <ncbi_taxonomy_id/>
    </food>
    <food>
      <name>Green vegetables</name>
      <food_type>Unknown</food_type>
      <category>generic</category>
      <name_scientific/>
      <ncbi_taxonomy_id/>
    </food>
    <food>
      <name>Herbal tea</name>
      <food_type>Type 1</food_type>
      <category/>
      <name_scientific/>
      <ncbi_taxonomy_id/>
    </food>
    <food>
      <name>Red tea</name>
      <food_type>Type 1</food_type>
      <category/>
      <name_scientific/>
      <ncbi_taxonomy_id/>
    </food>
    <food>
      <name>Robusta coffee</name>
      <food_type>Type 1</food_type>
      <category>specific</category>
      <name_scientific>Coffea canephora</name_scientific>
      <ncbi_taxonomy_id>49390</ncbi_taxonomy_id>
    </food>
    <food>
      <name>Tea</name>
      <food_type>Type 1</food_type>
      <category>specific</category>
      <name_scientific>Camellia sinensis</name_scientific>
      <ncbi_taxonomy_id>4442</ncbi_taxonomy_id>
    </food>
    <food>
      <name>Tortilla chip</name>
      <food_type>Type 2</food_type>
      <category>specific</category>
      <name_scientific/>
      <ncbi_taxonomy_id/>
    </food>
  </foods>
  <flavors>
    <flavor>
      <name>burnt almonds</name>
    </flavor>
    <flavor>
      <name>coffee</name>
    </flavor>
    <flavor>
      <name>potato</name>
    </flavor>
    <flavor>
      <name>roast</name>
    </flavor>
    <flavor>
      <name>roasted nuts</name>
    </flavor>
  </flavors>
  <enzymes>
  </enzymes>
  <health_effects>
  </health_effects>
</compound>
