<?xml version="1.0" encoding="UTF-8"?>
<metabolite>
  <version>1.0</version>
  <creation_date>2016-10-03 18:40:57 UTC</creation_date>
  <update_date>2020-06-04 19:14:38 UTC</update_date>
  <accession>BMDB0030058</accession>
  <secondary_accessions>
    <accession>BMDB30058</accession>
  </secondary_accessions>
  <name>Ethyl propionate</name>
  <description>Ethyl propanoate, also known as fema 2456, belongs to the class of organic compounds known as carboxylic acid esters. These are carboxylic acid derivatives in which the carbon atom from the carbonyl group is attached to an alkyl or an aryl moiety through an oxygen atom (forming an ester group). Ethyl propanoate exists as a solid, very hydrophobic, practically insoluble (in water), and relatively neutral molecule. Ethyl propanoate exists in all eukaryotes, ranging from yeast to humans. Ethyl propanoate has been found to be associated with several diseases known as autism, irritable bowel syndrome, ulcerative colitis, and nonalcoholic fatty liver disease; also ethyl propanoate has been linked to the inborn metabolic disorders including celiac disease.</description>
  <synonyms>
    <synonym>Ethyl N-propionate</synonym>
    <synonym>Ethyl propanoate</synonym>
    <synonym>Propionic acid ethyl ester</synonym>
    <synonym>Ethyl N-propionic acid</synonym>
    <synonym>Ethyl propanoic acid</synonym>
    <synonym>Propionate ethyl ester</synonym>
    <synonym>Ethyl propionic acid</synonym>
    <synonym>Ethyl ester OF propanoic acid</synonym>
    <synonym>Ethylpropionate</synonym>
    <synonym>FEMA 2456</synonym>
    <synonym>Propanoic acid, ethyl ester</synonym>
    <synonym>Propionic acid, ethyl ester</synonym>
  </synonyms>
  <chemical_formula>C5H10O2</chemical_formula>
  <average_molecular_weight>102.1317</average_molecular_weight>
  <monisotopic_moleculate_weight>102.068079564</monisotopic_moleculate_weight>
  <iupac_name>ethyl propanoate</iupac_name>
  <traditional_iupac>ethyl propionate</traditional_iupac>
  <cas_registry_number>105-37-3</cas_registry_number>
  <smiles>CCOC(=O)CC</smiles>
  <inchi>InChI=1S/C5H10O2/c1-3-5(6)7-4-2/h3-4H2,1-2H3</inchi>
  <inchikey>FKRCODPIKNYEAC-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as carboxylic acid esters. These are carboxylic acid derivatives in which the carbon atom from the carbonyl group is attached to an alkyl or an aryl moiety through an oxygen atom (forming an ester group).</description>
    <kingdom>Organic compounds</kingdom>
    <super_class>Organic acids and derivatives</super_class>
    <class>Carboxylic acids and derivatives</class>
    <sub_class>Carboxylic acid derivatives</sub_class>
    <direct_parent>Carboxylic acid esters</direct_parent>
    <alternative_parents>
      <alternative_parent>Carbonyl compounds</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Monocarboxylic acids and derivatives</alternative_parent>
      <alternative_parent>Organic oxides</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>Aliphatic acyclic compound</substituent>
      <substituent>Carbonyl group</substituent>
      <substituent>Carboxylic acid ester</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Monocarboxylic acid or derivatives</substituent>
      <substituent>Organic oxide</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organooxygen compound</substituent>
    </substituents>
    <molecular_framework>Aliphatic acyclic compounds</molecular_framework>
    <external_descriptors>
      <external_descriptor>Wax monoesters</external_descriptor>
      <external_descriptor>propanoate ester</external_descriptor>
    </external_descriptors>
  </taxonomy>
  <experimental_properties>
    <state>Liquid</state>
    <property>
      <kind>melting_point</kind>
      <value>-73 °C</value>
      <source/>
    </property>
    <property>
      <kind>water_solubility</kind>
      <value>19.2 mg/mL at 20 °C</value>
      <source/>
    </property>
    <property>
      <kind>logp</kind>
      <value>1.21</value>
      <source/>
    </property>
  </experimental_properties>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>1.32</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-0.38</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logp</kind>
      <value>0.98</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_basic</kind>
      <value>-7</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>iupac</kind>
      <value>ethyl propanoate</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>average_mass</kind>
      <value>102.1317</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>102.068079564</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>smiles</kind>
      <value>CCOC(=O)CC</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>C5H10O2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>InChI=1S/C5H10O2/c1-3-5(6)7-4-2/h3-4H2,1-2H3</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>FKRCODPIKNYEAC-UHFFFAOYSA-N</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polar_surface_area</kind>
      <value>26.3</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>refractivity</kind>
      <value>26.79</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polarizability</kind>
      <value>11.24</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>rotatable_bond_count</kind>
      <value>3</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>acceptor_count</kind>
      <value>1</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>
    <property>
      <kind>number_of_rings</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>bioavailability</kind>
      <value>1</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>rule_of_five</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>ghose_filter</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>veber_rule</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mddr_like_rule</kind>
      <value>Yes</value>
      <source>ChemAxon</source>
    </property>
  </predicted_properties>
  <pathways>
  </pathways>
  <spectra>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>3813</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>3814</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>69900</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>69901</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>69902</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>128274</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>128275</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>128276</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2735360</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2735361</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2735362</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2973282</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2973283</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2973284</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>2918</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>27029</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>28090</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>28131</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>28281</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>29009</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>100504</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>100505</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>100506</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>100507</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>100508</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>134642</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>142376</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>4423</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>4541</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160669</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160670</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160671</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160672</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160673</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160674</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160675</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160676</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160677</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160678</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160679</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160680</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160681</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160682</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160683</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160684</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160685</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160686</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160687</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160688</spectrum_id>
    </spectrum>
  </spectra>
  <normal_concentrations>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.12 +/- 0.05</concentration_value>
      <concentration_units>mg/100g dry matter content</concentration_units>
      <comment>Italian raw milk</comment>
      <references>
        <reference>
          <reference_text>Brigitta Gaspardo et al. Determination of volatile fractions in raw milk and ripened cheese by means of GC-MS. Results of a survey performed in the marginal area between Italy and Slovenia. Italian Jounal of Animal Science Vol 8, 377-390, 2009</reference_text>
          <pubmed_id/>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.07 +/- 3.29</concentration_value>
      <concentration_units>mg/100g dry matter content</concentration_units>
      <comment>Slovenian raw milk</comment>
      <references>
        <reference>
          <reference_text>Brigitta Gaspardo et al. Determination of volatile fractions in raw milk and ripened cheese by means of GC-MS. Results of a survey performed in the marginal area between Italy and Slovenia. Italian Jounal of Animal Science Vol 8, 377-390, 2009</reference_text>
          <pubmed_id/>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.000706 +/- 0.000605</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>In raw milk samples for diets based on maize silage</comment>
      <references>
        <reference>
          <reference_text>Toso B, Procida G, Stefanon B: Determination of volatile compounds in cows' milk using headspace GC-MS. J Dairy Res. 2002 Nov;69(4):569-77.</reference_text>
          <pubmed_id>12463694</pubmed_id>
        </reference>
      </references>
    </concentration>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value>0.00111 +/- 0.00161</concentration_value>
      <concentration_units>uM</concentration_units>
      <comment>In raw milk samples for diets based on hay</comment>
      <references>
        <reference>
          <reference_text>Toso B, Procida G, Stefanon B: Determination of volatile compounds in cows' milk using headspace GC-MS. J Dairy Res. 2002 Nov;69(4):569-77.</reference_text>
          <pubmed_id>12463694</pubmed_id>
        </reference>
      </references>
    </concentration>
  </normal_concentrations>
  <foodb_id>FDB001366</foodb_id>
  <chemspider_id>7463</chemspider_id>
  <chebi_id>41330</chebi_id>
  <pubchem_compound_id>7749</pubchem_compound_id>
  <knapsack_id>C00035617</knapsack_id>
  <drugbank_id/>
  <phenol_explorer_compound_id/>
  <kegg_id/>
  <meta_cyc_id/>
  <bigg_id/>
  <wikipedia_id>Ethyl propionate</wikipedia_id>
  <metlin_id/>
  <pdbe_id>CA1</pdbe_id>
  <synthesis_reference/>
  <general_references>
    <reference>
      <reference_text>Toso B, Procida G, Stefanon B: Determination of volatile compounds in cows' milk using headspace GC-MS. J Dairy Res. 2002 Nov;69(4):569-77.</reference_text>
      <pubmed_id>12463694</pubmed_id>
    </reference>
    <reference>
      <reference_text>Brigitta Gaspardo et al. Determination of volatile fractions in raw milk and ripened cheese by means of GC-MS. Results of a survey performed in the marginal area between Italy and Slovenia. Italian Jounal of Animal Science Vol 8, 377-390, 2009</reference_text>
    </reference>
  </general_references>
  <protein_associations>
  </protein_associations>
</metabolite>
