<?xml version="1.0" encoding="UTF-8"?>
<metabolite>
  <version>1.0</version>
  <creation_date>2016-09-30 22:39:32 UTC</creation_date>
  <update_date>2020-04-22 15:06:14 UTC</update_date>
  <accession>BMDB0000991</accession>
  <secondary_accessions>
    <accession>BMDB00991</accession>
  </secondary_accessions>
  <name>DL-2-Aminooctanoic acid</name>
  <description>DL-2-Aminooctanoic acid, also known as a-aminocaprylate or alpha-aminocaprylic acid, belongs to the class of organic compounds known as alpha amino acids. These are amino acids in which the amino group is attached to the carbon atom immediately adjacent to the carboxylate group (alpha carbon). DL-2-Aminooctanoic acid exists as a solid, very hydrophobic, practically insoluble (in water), and relatively neutral molecule.</description>
  <synonyms>
    <synonym>(+-)-2-Aminooctanoic acid</synonym>
    <synonym>(+/-)-2-aminooctanoic acid</synonym>
    <synonym>2-Amino-DL-caprylic acid</synonym>
    <synonym>2-Aminocaprylic acid</synonym>
    <synonym>alpha-Aminocaprylic acid</synonym>
    <synonym>alpha-Aminooctanoic acid</synonym>
    <synonym>D,L-2-Aminooctanoic acid</synonym>
    <synonym>DL-2-Aminocaprylic acid</synonym>
    <synonym>DL-alpha-Amino-N-caprylic acid</synonym>
    <synonym>DL-alpha-Aminocaprylic acid</synonym>
    <synonym>NSC 20147</synonym>
    <synonym>(+-)-2-Aminooctanoate</synonym>
    <synonym>(+/-)-2-aminooctanoate</synonym>
    <synonym>2-Amino-DL-caprylate</synonym>
    <synonym>2-Aminocaprylate</synonym>
    <synonym>a-Aminocaprylate</synonym>
    <synonym>a-Aminocaprylic acid</synonym>
    <synonym>alpha-Aminocaprylate</synonym>
    <synonym>Α-aminocaprylate</synonym>
    <synonym>Α-aminocaprylic acid</synonym>
    <synonym>a-Aminooctanoate</synonym>
    <synonym>a-Aminooctanoic acid</synonym>
    <synonym>alpha-Aminooctanoate</synonym>
    <synonym>Α-aminooctanoate</synonym>
    <synonym>Α-aminooctanoic acid</synonym>
    <synonym>D,L-2-Aminooctanoate</synonym>
    <synonym>DL-2-Aminocaprylate</synonym>
    <synonym>DL-a-Amino-N-caprylate</synonym>
    <synonym>DL-a-Amino-N-caprylic acid</synonym>
    <synonym>DL-alpha-Amino-N-caprylate</synonym>
    <synonym>DL-Α-amino-N-caprylate</synonym>
    <synonym>DL-Α-amino-N-caprylic acid</synonym>
    <synonym>DL-a-Aminocaprylate</synonym>
    <synonym>DL-a-Aminocaprylic acid</synonym>
    <synonym>DL-alpha-Aminocaprylate</synonym>
    <synonym>DL-Α-aminocaprylate</synonym>
    <synonym>DL-Α-aminocaprylic acid</synonym>
    <synonym>DL-2-Aminooctanoate</synonym>
    <synonym>(+/-)-2-amino-octanoate</synonym>
    <synonym>(+/-)-2-amino-octanoic acid</synonym>
    <synonym>2-Amino-DL-octanoate</synonym>
    <synonym>2-Amino-DL-octanoic acid</synonym>
    <synonym>2-Aminooctanoate</synonym>
    <synonym>2-Aminooctanoic acid</synonym>
    <synonym>DL-2-Amino-octanoate</synonym>
    <synonym>DL-2-Aminooctanoic acid</synonym>
  </synonyms>
  <chemical_formula>C8H17NO2</chemical_formula>
  <average_molecular_weight>159.2261</average_molecular_weight>
  <monisotopic_moleculate_weight>159.125928793</monisotopic_moleculate_weight>
  <iupac_name>2-aminooctanoic acid</iupac_name>
  <traditional_iupac>(+-)-2-aminooctanoic acid</traditional_iupac>
  <cas_registry_number>644-90-6</cas_registry_number>
  <smiles>CCCCCCC(N)C(O)=O</smiles>
  <inchi>InChI=1S/C8H17NO2/c1-2-3-4-5-6-7(9)8(10)11/h7H,2-6,9H2,1H3,(H,10,11)</inchi>
  <inchikey>AKVBCGQVQXPRLD-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as alpha amino acids. These are amino acids in which the amino group is attached to the carbon atom immediately adjacent to the carboxylate group (alpha carbon).</description>
    <kingdom>Organic compounds</kingdom>
    <super_class>Organic acids and derivatives</super_class>
    <class>Carboxylic acids and derivatives</class>
    <sub_class>Amino acids, peptides, and analogues</sub_class>
    <direct_parent>Alpha amino acids</direct_parent>
    <alternative_parents>
      <alternative_parent>Amino acids</alternative_parent>
      <alternative_parent>Amino fatty acids</alternative_parent>
      <alternative_parent>Carbonyl compounds</alternative_parent>
      <alternative_parent>Carboxylic acids</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Medium-chain fatty acids</alternative_parent>
      <alternative_parent>Monoalkylamines</alternative_parent>
      <alternative_parent>Monocarboxylic acids and derivatives</alternative_parent>
      <alternative_parent>Organic oxides</alternative_parent>
      <alternative_parent>Organopnictogen compounds</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>Aliphatic acyclic compound</substituent>
      <substituent>Alpha-amino acid</substituent>
      <substituent>Amine</substituent>
      <substituent>Amino acid</substituent>
      <substituent>Amino fatty acid</substituent>
      <substituent>Carbonyl group</substituent>
      <substituent>Carboxylic acid</substituent>
      <substituent>Fatty acid</substituent>
      <substituent>Fatty acyl</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Medium-chain fatty acid</substituent>
      <substituent>Monocarboxylic acid or derivatives</substituent>
      <substituent>Organic nitrogen compound</substituent>
      <substituent>Organic oxide</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organonitrogen compound</substituent>
      <substituent>Organooxygen compound</substituent>
      <substituent>Organopnictogen compound</substituent>
      <substituent>Primary aliphatic amine</substituent>
      <substituent>Primary amine</substituent>
    </substituents>
    <molecular_framework>Aliphatic acyclic compounds</molecular_framework>
    <external_descriptors>
      <external_descriptor>Amino fatty acids</external_descriptor>
      <external_descriptor>alpha-amino fatty acid</external_descriptor>
    </external_descriptors>
  </taxonomy>
  <experimental_properties>
    <state>Solid</state>
    <property>
      <kind>melting_point</kind>
      <value>194 - 196 °C</value>
      <source/>
    </property>
    <property>
      <kind>water_solubility</kind>
      <value>19 mg/mL</value>
      <source/>
    </property>
  </experimental_properties>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>-0.99</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-1.47</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logp</kind>
      <value>-0.54</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_acidic</kind>
      <value>2.89</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_basic</kind>
      <value>9.53</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>iupac</kind>
      <value>2-aminooctanoic acid</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>average_mass</kind>
      <value>159.2261</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>159.125928793</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>smiles</kind>
      <value>CCCCCCC(N)C(O)=O</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>C8H17NO2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>InChI=1S/C8H17NO2/c1-2-3-4-5-6-7(9)8(10)11/h7H,2-6,9H2,1H3,(H,10,11)</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>AKVBCGQVQXPRLD-UHFFFAOYSA-N</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polar_surface_area</kind>
      <value>63.32</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>refractivity</kind>
      <value>43.43</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polarizability</kind>
      <value>18.72</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>2</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>1019</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>1020</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>1021</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrTwoD</type>
      <spectrum_id>1570</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>1629</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>9360</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>37879</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>135847</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>143581</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1083122</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1083123</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>1083124</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1381</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1382</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>1383</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>286666</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>286667</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>286668</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>325309</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>325310</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>325311</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2235908</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2237459</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2244373</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2245747</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2246458</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2247810</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2248445</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2249944</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2250486</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2251883</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2839923</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2839924</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2839925</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2869296</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2869297</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2869298</spectrum_id>
    </spectrum>
  </spectra>
  <normal_concentrations>
    <concentration>
      <biospecimen>Milk</biospecimen>
      <concentration_value/>
      <concentration_units/>
      <comment>Commercial whole milk with 3.25% fat</comment>
      <references>
        <reference>
          <reference_text>Mung D, Li L: Applying quantitative metabolomics based on chemical isotope labeling LC-MS for detecting potential milk adulterant in human milk. Anal Chim Acta. 2018 Feb 25;1001:78-85. doi: 10.1016/j.aca.2017.11.019. Epub 2017 Nov 14.</reference_text>
          <pubmed_id>29291809</pubmed_id>
        </reference>
      </references>
    </concentration>
  </normal_concentrations>
  <foodb_id>FDB022354</foodb_id>
  <kegg_id/>
  <chemspider_id>62727</chemspider_id>
  <pubchem_compound_id>69522</pubchem_compound_id>
  <chebi_id>75145</chebi_id>
  <pdbe_id/>
  <knapsack_id/>
  <meta_cyc_id>CPD-3687</meta_cyc_id>
  <drugbank_id/>
  <phenol_explorer_compound_id/>
  <bigg_id/>
  <wikipedia_id/>
  <metlin_id>5923</metlin_id>
  <synthesis_reference>Abderhalden, E.  Specific action of enzymes. A contribution to the question of the possibility of determining by means of enzymes whether amino acids of definite configuration occur in nature and especially as constituents of proteins.    Z. physiol. Chem.  (1923),  130  205-7.</synthesis_reference>
  <general_references>
    <reference>
      <reference_text>Mung D, Li L: Applying quantitative metabolomics based on chemical isotope labeling LC-MS for detecting potential milk adulterant in human milk. Anal Chim Acta. 2018 Feb 25;1001:78-85. doi: 10.1016/j.aca.2017.11.019. Epub 2017 Nov 14.</reference_text>
      <pubmed_id>29291809</pubmed_id>
    </reference>
  </general_references>
  <protein_associations>
  </protein_associations>
</metabolite>
