<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2011-09-21 01:54:12 UTC</creation_date>
  <update_date>2015-07-21 06:59:41 UTC</update_date>
  <accession>FDB029336</accession>
  <name>alpha-Ketooctanoic acid</name>
  <description>alpha-Ketooctanoic acid is a branched-chain alpha-keto acid. Branched-chain alpha-keto acids are the intermediate metabolites of branched-chain amino acids. Changes in the blood levels of these alpha-keto acids may indicate disturbances in the metabolism of the original substrates. Therefore the analysis of these alpha-keto acids in the blood may offer important information on the biochemical effects of alcohol in the body. [HMDB]</description>
  <synonyms>
    <synonym>2-Oxocaprylate</synonym>
    <synonym>2-Oxocaprylic acid</synonym>
    <synonym>2-Oxooctanoate</synonym>
    <synonym>2-Oxooctanoic acid</synonym>
    <synonym>alpha-Ketocaprylate</synonym>
    <synonym>alpha-Ketocaprylic acid</synonym>
    <synonym>alpha-Ketooctanoate</synonym>
    <synonym>alpha-Ketooctanoic acid</synonym>
  </synonyms>
  <chemical_formula>C8H14O3</chemical_formula>
  <average_molecular_weight>158.195</average_molecular_weight>
  <monisotopic_moleculate_weight>158.094294314</monisotopic_moleculate_weight>
  <iupac_name>2-oxooctanoic acid</iupac_name>
  <traditional_iupac>2-keto-n-caprylic acid</traditional_iupac>
  <cas_registry_number>328-51-8</cas_registry_number>
  <smiles>CCCCCCC(=O)C(O)=O</smiles>
  <inchi>InChI=1S/C8H14O3/c1-2-3-4-5-6-7(9)8(10)11/h2-6H2,1H3,(H,10,11)</inchi>
  <inchikey>GPPUPQFYDYLTIY-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as medium-chain keto acids and derivatives. These are keto acids with a 6 to 12  carbon atoms long side chain.</description>
    <direct_parent>Medium-chain keto acids and derivatives</direct_parent>
    <kingdom>Organic compounds</kingdom>
    <super_class>Organic acids and derivatives</super_class>
    <class>Keto acids and derivatives</class>
    <sub_class>Medium-chain keto acids and derivatives</sub_class>
    <molecular_framework>Aliphatic acyclic compounds</molecular_framework>
    <alternative_parents>
      <alternative_parent>Alpha-hydroxy ketones</alternative_parent>
      <alternative_parent>Alpha-keto acids and derivatives</alternative_parent>
      <alternative_parent>Carboxylic acids</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>Alpha-hydroxy ketone</substituent>
      <substituent>Alpha-keto acid</substituent>
      <substituent>Carbonyl group</substituent>
      <substituent>Carboxylic acid</substituent>
      <substituent>Carboxylic acid derivative</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Ketone</substituent>
      <substituent>Medium-chain keto acid</substituent>
      <substituent>Monocarboxylic acid or derivatives</substituent>
      <substituent>Organic oxide</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organooxygen compound</substituent>
    </substituents>
    <external_descriptors>
      <external_descriptor>Oxo fatty acids</external_descriptor>
    </external_descriptors>
  </taxonomy>
  <state>Solid</state>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>2.17</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-2.23</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>9.30e-01 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>2.54</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>3.74</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_basic</kind>
    <value>-9.7</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>2-oxooctanoic acid</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>158.195</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>158.094294314</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>CCCCCCC(=O)C(O)=O</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C8H14O3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C8H14O3/c1-2-3-4-5-6-7(9)8(10)11/h2-6H2,1H3,(H,10,11)</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>GPPUPQFYDYLTIY-UHFFFAOYSA-N</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>54.37</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>41.02</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>17.35</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>rotatable_bond_count</kind>
    <value>6</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>acceptor_count</kind>
    <value>3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>donor_count</kind>
    <value>1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>physiological_charge</kind>
    <value>-1</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>19295</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>40085</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>132101</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>139835</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>2868</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>2869</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>2870</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>308869</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>308870</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>308871</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>353164</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>353165</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>353166</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2442016</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2442017</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2442018</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2520269</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2520270</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2520271</spectrum_id>
    </spectrum>
  </spectra>
  <hmdb_id>HMDB13211</hmdb_id>
  <pubchem_compound_id/>
  <chemspider_id/>
  <kegg_id/>
  <chebi_id/>
  <biocyc_id/>
  <het_id/>
  <wikipidia/>
  <vmh_id/>
  <fbonto_id/>
  <foodb_id/>
  <general_references>
  </general_references>
  <foods>
  </foods>
  <flavors>
  </flavors>
  <enzymes>
  </enzymes>
  <health_effects>
  </health_effects>
</compound>
