<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2010-04-08 22:04:55 UTC</creation_date>
  <update_date>2025-11-18 22:30:12 UTC</update_date>
  <accession>FDB001325</accession>
  <name>Methyl 3-methylbutanoate</name>
  <description>Methyl 3-methylbutanoate is a flavouring ingredient, it has a pungent apple-like odour. It is found in fruits of apple, banana, bilberry, wild blueberry, melon, pineapple, strawberry, and some Florida oranges. It is also found in peas, peppermint oil and gruyere de comte cheese.</description>
  <synonyms>
    <synonym>3-Methyl-2-oxobutanoic acid</synonym>
    <synonym>3-Methylbutanoic acid methyl ester</synonym>
    <synonym>Butanoic acid, 3-methyl-, methyl ester</synonym>
    <synonym>FEMA 2753</synonym>
    <synonym>Isovaleric acid, methyl ester</synonym>
    <synonym>Methyl 3-methylbutanoate</synonym>
    <synonym>Methyl 3-methylbutyrate</synonym>
    <synonym>Methyl isopentanoate</synonym>
    <synonym>Methyl isovalerate</synonym>
    <synonym>Methyl isovalerate [UN2400] [Flammable liquid]</synonym>
    <synonym>Methyl isovalerianate</synonym>
  </synonyms>
  <chemical_formula>C6H12O2</chemical_formula>
  <average_molecular_weight>116.1583</average_molecular_weight>
  <monisotopic_moleculate_weight>116.083729628</monisotopic_moleculate_weight>
  <iupac_name>methyl 3-methylbutanoate</iupac_name>
  <traditional_iupac>methyl (3-methyl)butanoate</traditional_iupac>
  <cas_registry_number>556-24-1</cas_registry_number>
  <smiles>COC(=O)CC(C)C</smiles>
  <inchi>InChI=1S/C6H12O2/c1-5(2)4-6(7)8-3/h5H,4H2,1-3H3</inchi>
  <inchikey>OQAGVSWESNCJJT-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as fatty acid methyl esters. Fatty acid methyl esters are compounds containing a fatty acid that is esterified with a methyl group. They have the general structure RC(=O)OR', where R=fatty aliphatic tail or organyl group and R'=methyl group.</description>
    <direct_parent>Fatty acid methyl esters</direct_parent>
    <kingdom>Organic compounds</kingdom>
    <super_class>Lipids and lipid-like molecules</super_class>
    <class>Fatty Acyls</class>
    <sub_class>Fatty acid esters</sub_class>
    <molecular_framework>Aliphatic acyclic compounds</molecular_framework>
    <alternative_parents>
      <alternative_parent>Carbonyl compounds</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Methyl esters</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 derivative</substituent>
      <substituent>Carboxylic acid ester</substituent>
      <substituent>Fatty acid methyl ester</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Methyl ester</substituent>
      <substituent>Monocarboxylic acid or derivatives</substituent>
      <substituent>Organic oxide</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organooxygen compound</substituent>
    </substituents>
    <external_descriptors>
    </external_descriptors>
  </taxonomy>
  <state/>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>1.62</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-1.12</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>8.75e+00 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>1.35</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_basic</kind>
    <value>-7</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>methyl 3-methylbutanoate</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>116.1583</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>116.083729628</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>COC(=O)CC(C)C</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C6H12O2</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C6H12O2/c1-5(2)4-6(7)8-3/h5H,4H2,1-3H3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>OQAGVSWESNCJJT-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>31.19</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>12.98</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>
  <pathways>
  </pathways>
  <spectra>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>9844</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>27194</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>27865</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>27878</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>100488</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>100489</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>100490</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>133456</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>141190</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>3795</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>3796</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>63789</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>63790</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>63791</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>120792</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>120793</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>120794</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2426497</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2426498</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2426499</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2509783</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2509784</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2509785</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160510</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160511</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160512</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160513</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160514</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160515</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160516</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160517</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160518</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160519</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160520</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160521</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160522</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160523</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160524</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160525</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160526</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160527</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160528</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>160529</spectrum_id>
    </spectrum>
  </spectra>
  <hmdb_id>HMDB30027</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>
    <food>
      <name>Blackberry</name>
      <food_type>Type 1</food_type>
      <category>specific</category>
      <name_scientific>Rubus</name_scientific>
      <ncbi_taxonomy_id/>
    </food>
    <food>
      <name>Citrus</name>
      <food_type>Unknown</food_type>
      <category>generic</category>
      <name_scientific/>
      <ncbi_taxonomy_id/>
    </food>
    <food>
      <name>Common sage</name>
      <food_type>Type 1</food_type>
      <category>specific</category>
      <name_scientific>Salvia officinalis</name_scientific>
      <ncbi_taxonomy_id>38868</ncbi_taxonomy_id>
      <average_value>2.45</average_value>
      <max_value>2.45</max_value>
      <min_value>2.45</min_value>
      <unit>mg/100 g</unit>
    </food>
    <food>
      <name>Evergreen blackberry</name>
      <food_type>Type 1</food_type>
      <category>specific</category>
      <name_scientific>Rubus laciniatus</name_scientific>
      <ncbi_taxonomy_id/>
    </food>
    <food>
      <name>Fruits</name>
      <food_type>Unknown</food_type>
      <category>generic</category>
      <name_scientific/>
      <ncbi_taxonomy_id/>
    </food>
    <food>
      <name>Herbs and Spices</name>
      <food_type>Unknown</food_type>
      <category>generic</category>
      <name_scientific/>
      <ncbi_taxonomy_id/>
    </food>
    <food>
      <name>Lowbush blueberry</name>
      <food_type>Type 1</food_type>
      <category>specific</category>
      <name_scientific>Vaccinium angustifolium</name_scientific>
      <ncbi_taxonomy_id>472369</ncbi_taxonomy_id>
    </food>
    <food>
      <name>Milk and milk products</name>
      <food_type>Unknown</food_type>
      <category>generic</category>
      <name_scientific/>
      <ncbi_taxonomy_id/>
    </food>
    <food>
      <name>Pineapple</name>
      <food_type>Type 1</food_type>
      <category>specific</category>
      <name_scientific>Ananas comosus</name_scientific>
      <ncbi_taxonomy_id>4615</ncbi_taxonomy_id>
      <average_value>0.06</average_value>
      <max_value>0.06</max_value>
      <min_value>0.06</min_value>
      <unit>mg/100 g</unit>
    </food>
    <food>
      <name>Pomes</name>
      <food_type>Unknown</food_type>
      <category>generic</category>
      <name_scientific/>
      <ncbi_taxonomy_id/>
    </food>
    <food>
      <name>Pulses</name>
      <food_type>Unknown</food_type>
      <category>generic</category>
      <name_scientific></name_scientific>
      <ncbi_taxonomy_id/>
    </food>
  </foods>
  <flavors>
    <flavor>
      <name>apple</name>
    </flavor>
    <flavor>
      <name>fruity</name>
    </flavor>
    <flavor>
      <name>pineapple</name>
    </flavor>
    <flavor>
      <name>strong</name>
    </flavor>
  </flavors>
  <enzymes>
  </enzymes>
  <health_effects>
    <health_effect>
      <name>Name</name>
      <id>936</id>
      <definition>A substance, extract, or preparation for diffusing or imparting an agreeable or attractive smell.</definition>
    </health_effect>
    <health_effect>
      <name>Perfumery</name>
      <id>1206</id>
      <definition>A substance, extract, or preparation for diffusing or imparting an agreeable or attractive smell.</definition>
    </health_effect>
  </health_effects>
</compound>
