<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2010-04-08 22:06:56 UTC</creation_date>
  <update_date>2025-11-18 23:00:36 UTC</update_date>
  <accession>FDB005977</accession>
  <name>6-Methoxy-7-methylquercetin</name>
  <description>6-methoxy-7-methylquercetin, also known as eupatoletin, is a member of the class of compounds known as flavonols. Flavonols are compounds that contain a flavone (2-phenyl-1-benzopyran-4-one) backbone carrying a hydroxyl group at the 3-position. Thus, 6-methoxy-7-methylquercetin is considered to be a flavonoid lipid molecule. 6-methoxy-7-methylquercetin is practically insoluble (in water) and a very weakly acidic compound (based on its pKa). 6-methoxy-7-methylquercetin can be found in german camomile, which makes 6-methoxy-7-methylquercetin a potential biomarker for the consumption of this food product. </description>
  <synonyms>
    <synonym>6-Methoxy-7-methylquercetin</synonym>
    <synonym>6,7-Dimethoxyquercetin</synonym>
  </synonyms>
  <chemical_formula>C17H14O8</chemical_formula>
  <average_molecular_weight>346.2883</average_molecular_weight>
  <monisotopic_moleculate_weight>346.068867424</monisotopic_moleculate_weight>
  <iupac_name>2-(3,4-dihydroxyphenyl)-3,5-dihydroxy-6,7-dimethoxy-4H-chromen-4-one</iupac_name>
  <traditional_iupac>eupatolitin</traditional_iupac>
  <cas_registry_number>29536-44-5</cas_registry_number>
  <smiles>COC1=CC2=C(C(O)=C1OC)C(=O)C(O)=C(O2)C1=CC(O)=C(O)C=C1</smiles>
  <inchi>InChI=1S/C17H14O8/c1-23-11-6-10-12(14(21)17(11)24-2)13(20)15(22)16(25-10)7-3-4-8(18)9(19)5-7/h3-6,18-19,21-22H,1-2H3</inchi>
  <inchikey>WYKWHSPRHPZRCR-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as flavonols. Flavonols are compounds that contain a flavone (2-phenyl-1-benzopyran-4-one) backbone carrying a hydroxyl group at the 3-position.</description>
    <direct_parent>Flavonols</direct_parent>
    <kingdom>Organic compounds</kingdom>
    <super_class>Phenylpropanoids and polyketides</super_class>
    <class>Flavonoids</class>
    <sub_class>Flavones</sub_class>
    <molecular_framework>Aromatic heteropolycyclic compounds</molecular_framework>
    <alternative_parents>
      <alternative_parent>1-hydroxy-2-unsubstituted benzenoids</alternative_parent>
      <alternative_parent>1-hydroxy-4-unsubstituted benzenoids</alternative_parent>
      <alternative_parent>3'-hydroxyflavonoids</alternative_parent>
      <alternative_parent>3-hydroxyflavonoids</alternative_parent>
      <alternative_parent>4'-hydroxyflavonoids</alternative_parent>
      <alternative_parent>5-hydroxyflavonoids</alternative_parent>
      <alternative_parent>6-O-methylated flavonoids</alternative_parent>
      <alternative_parent>7-O-methylated flavonoids</alternative_parent>
      <alternative_parent>Alkyl aryl ethers</alternative_parent>
      <alternative_parent>Anisoles</alternative_parent>
      <alternative_parent>Benzene and substituted derivatives</alternative_parent>
      <alternative_parent>Catechols</alternative_parent>
      <alternative_parent>Chromones</alternative_parent>
      <alternative_parent>Heteroaromatic compounds</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Organic oxides</alternative_parent>
      <alternative_parent>Oxacyclic compounds</alternative_parent>
      <alternative_parent>Pyranones and derivatives</alternative_parent>
      <alternative_parent>Vinylogous acids</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>1-benzopyran</substituent>
      <substituent>1-hydroxy-2-unsubstituted benzenoid</substituent>
      <substituent>1-hydroxy-4-unsubstituted benzenoid</substituent>
      <substituent>3'-hydroxyflavonoid</substituent>
      <substituent>3-hydroxyflavone</substituent>
      <substituent>3-hydroxyflavonoid</substituent>
      <substituent>4'-hydroxyflavonoid</substituent>
      <substituent>5-hydroxyflavonoid</substituent>
      <substituent>6-methoxyflavonoid-skeleton</substituent>
      <substituent>7-methoxyflavonoid-skeleton</substituent>
      <substituent>Alkyl aryl ether</substituent>
      <substituent>Anisole</substituent>
      <substituent>Aromatic heteropolycyclic compound</substituent>
      <substituent>Benzenoid</substituent>
      <substituent>Benzopyran</substituent>
      <substituent>Catechol</substituent>
      <substituent>Chromone</substituent>
      <substituent>Ether</substituent>
      <substituent>Heteroaromatic compound</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Hydroxyflavonoid</substituent>
      <substituent>Monocyclic benzene moiety</substituent>
      <substituent>Organic oxide</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organoheterocyclic compound</substituent>
      <substituent>Organooxygen compound</substituent>
      <substituent>Oxacycle</substituent>
      <substituent>Phenol</substituent>
      <substituent>Pyran</substituent>
      <substituent>Pyranone</substituent>
      <substituent>Vinylogous acid</substituent>
    </substituents>
    <external_descriptors>
      <external_descriptor>Flavones and Flavonols</external_descriptor>
      <external_descriptor>Flavones and Flavonols</external_descriptor>
      <external_descriptor>dimethoxyflavone</external_descriptor>
      <external_descriptor>flavonols</external_descriptor>
      <external_descriptor>tetrahydroxyflavone</external_descriptor>
    </external_descriptors>
  </taxonomy>
  <state/>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>1.99</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-3.40</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>1.38e-01 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>2.14</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>8.18</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_basic</kind>
    <value>-4</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>2-(3,4-dihydroxyphenyl)-3,5-dihydroxy-6,7-dimethoxy-4H-chromen-4-one</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>346.2883</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>346.068867424</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>COC1=CC2=C(C(O)=C1OC)C(=O)C(O)=C(O2)C1=CC(O)=C(O)C=C1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C17H14O8</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C17H14O8/c1-23-11-6-10-12(14(21)17(11)24-2)13(20)15(22)16(25-10)7-3-4-8(18)9(19)5-7/h3-6,18-19,21-22H,1-2H3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>WYKWHSPRHPZRCR-UHFFFAOYSA-N</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>125.68</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>87.81</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>33.69</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>rotatable_bond_count</kind>
    <value>3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>acceptor_count</kind>
    <value>8</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>donor_count</kind>
    <value>4</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::MsMs</type>
      <spectrum_id>106569</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>106570</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>106571</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>173358</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>173359</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>173360</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3602363</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3602364</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3602365</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3602366</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3602367</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3602368</spectrum_id>
    </spectrum>
  </spectra>
  <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>German camomile</name>
      <food_type>Type 1</food_type>
      <category>specific</category>
      <name_scientific>Matricaria recutita</name_scientific>
      <ncbi_taxonomy_id>127986</ncbi_taxonomy_id>
    </food>
  </foods>
  <flavors>
  </flavors>
  <enzymes>
  </enzymes>
  <health_effects>
  </health_effects>
</compound>
