<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2010-04-08 22:11:06 UTC</creation_date>
  <update_date>2018-05-28 18:53:10 UTC</update_date>
  <accession>FDB014141</accession>
  <name>(E)-2-Heptenoic acid</name>
  <description>Flavouring ingredient</description>
  <synonyms>
    <synonym>(2E)-2-Heptenoic acid</synonym>
    <synonym>(2E)-Hept-2-enoic acid</synonym>
    <synonym>(e)-2-Heptenoate</synonym>
    <synonym>(e)-Hept-2-enoate</synonym>
    <synonym>(E)-Hept-2-enoic acid</synonym>
    <synonym>2-Heptenoic acid, (E)-</synonym>
    <synonym>2-Heptenoic acid, trans-</synonym>
    <synonym>7:1, N-5 trans</synonym>
    <synonym>alpha-Heptenoic acid</synonym>
    <synonym>C7:1, N-5 trans</synonym>
    <synonym>FEMA 3920</synonym>
    <synonym>Hept-2t-enoate</synonym>
    <synonym>Hept-2t-enoic acid</synonym>
    <synonym>Hept-2t-ensaeure</synonym>
    <synonym>trans-2-Heptenoic acid</synonym>
    <synonym>trans-acide heptene-2-oique</synonym>
    <synonym>trans-Hept-2-enoate</synonym>
    <synonym>trans-Hept-2-enoic acid</synonym>
    <synonym>trans-Hept-2-ensaeure</synonym>
  </synonyms>
  <chemical_formula>C7H12O2</chemical_formula>
  <average_molecular_weight>128.169</average_molecular_weight>
  <monisotopic_moleculate_weight>128.083729628</monisotopic_moleculate_weight>
  <iupac_name>(2E)-hept-2-enoic acid</iupac_name>
  <traditional_iupac>(E)-2-heptenoic acid</traditional_iupac>
  <cas_registry_number>18999-28-5</cas_registry_number>
  <smiles>CCCC\C=C\C(O)=O</smiles>
  <inchi>InChI=1S/C7H12O2/c1-2-3-4-5-6-7(8)9/h5-6H,2-4H2,1H3,(H,8,9)/b6-5+</inchi>
  <inchikey>YURNCBVQZBJDAJ-AATRIKPKSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as medium-chain fatty acids. These are fatty acids with an aliphatic tail that contains between 4 and 12 carbon atoms.</description>
    <direct_parent>Medium-chain fatty acids</direct_parent>
    <kingdom>Organic compounds</kingdom>
    <super_class>Lipids and lipid-like molecules</super_class>
    <class>Fatty Acyls</class>
    <sub_class>Fatty acids and conjugates</sub_class>
    <molecular_framework>Aliphatic acyclic compounds</molecular_framework>
    <alternative_parents>
      <alternative_parent>Carbonyl compounds</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_parent>Straight chain fatty acids</alternative_parent>
      <alternative_parent>Unsaturated fatty acids</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>Aliphatic acyclic compound</substituent>
      <substituent>Carbonyl group</substituent>
      <substituent>Carboxylic acid</substituent>
      <substituent>Carboxylic acid derivative</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Medium-chain fatty acid</substituent>
      <substituent>Monocarboxylic acid or derivatives</substituent>
      <substituent>Organic oxide</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organooxygen compound</substituent>
      <substituent>Straight chain fatty acid</substituent>
      <substituent>Unsaturated fatty acid</substituent>
    </substituents>
    <external_descriptors>
      <external_descriptor>2-heptenoic acid</external_descriptor>
      <external_descriptor>Unsaturated fatty acids</external_descriptor>
    </external_descriptors>
  </taxonomy>
  <state>liquid</state>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>2.41</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-1.91</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>1.59e+00 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
    <property>
      <kind>melting_point</kind>
      <value>Mp -12--11°</value>
    </property>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>2.25</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>5.2</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>(2E)-hept-2-enoic acid</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>128.169</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>128.083729628</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>CCCC\C=C\C(O)=O</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C7H12O2</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C7H12O2/c1-2-3-4-5-6-7(8)9/h5-6H,2-4H2,1H3,(H,8,9)/b6-5+</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>YURNCBVQZBJDAJ-AATRIKPKSA-N</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>37.3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>36.77</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>14.36</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>rotatable_bond_count</kind>
    <value>4</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>acceptor_count</kind>
    <value>2</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>16471</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>42502</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>149633</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>87423</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>87424</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>87425</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>149925</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>149926</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>149927</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2696733</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2696734</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2696735</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2981402</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2981403</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2981404</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>4503</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>4504</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>4505</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>18942</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>18943</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>18944</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>18945</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>18946</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>18947</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>18948</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>18949</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>18950</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>18951</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>18952</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>18953</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>18954</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>18955</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>18956</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>18957</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>18958</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>18959</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>18960</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>18961</spectrum_id>
    </spectrum>
  </spectra>
  <hmdb_id>HMDB31484</hmdb_id>
  <pubchem_compound_id/>
  <chemspider_id/>
  <kegg_id/>
  <chebi_id>38364</chebi_id>
  <biocyc_id/>
  <het_id/>
  <wikipidia/>
  <vmh_id/>
  <fbonto_id/>
  <foodb_id/>
  <general_references>
    <reference>#&lt;Reference:0x000055ce32cd2318&gt;</reference>
  </general_references>
  <foods>
  </foods>
  <flavors>
    <flavor>
      <name>rancid</name>
    </flavor>
  </flavors>
  <enzymes>
  </enzymes>
  <health_effects>
  </health_effects>
</compound>
