<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2010-04-08 22:10:05 UTC</creation_date>
  <update_date>2025-11-18 23:35:31 UTC</update_date>
  <accession>FDB012290</accession>
  <name>Isoxanthohumol</name>
  <description>Isolated from hop (Humulus lupulus). Isoxanthohumol is a biomarker for the consumption of beer. Isoxanthohumol is found in beer and alcoholic beverages.</description>
  <synonyms>
    <synonym>4',7-Dihydroxy-5-methoxy-8-prenylflavanone</synonym>
    <synonym>5-Methyl-8-prenylnaringenin</synonym>
    <synonym>7,4'-Dihydroxy-5-methoxy-8-prenylflavanone</synonym>
    <synonym>Isoxanthohumol</synonym>
  </synonyms>
  <chemical_formula>C21H22O5</chemical_formula>
  <average_molecular_weight>354.402</average_molecular_weight>
  <monisotopic_moleculate_weight>354.146723808</monisotopic_moleculate_weight>
  <iupac_name>7-hydroxy-2-(4-hydroxyphenyl)-5-methoxy-8-(3-methylbut-2-en-1-yl)-3,4-dihydro-2H-1-benzopyran-4-one</iupac_name>
  <traditional_iupac>isoxanthohumol(sophora)</traditional_iupac>
  <cas_registry_number>70872-29-6</cas_registry_number>
  <smiles>COC1=C2C(=O)CC(OC2=C(CC=C(C)C)C(O)=C1)C1=CC=C(O)C=C1</smiles>
  <inchi>InChI=1S/C21H22O5/c1-12(2)4-9-15-16(23)10-19(25-3)20-17(24)11-18(26-21(15)20)13-5-7-14(22)8-6-13/h4-8,10,18,22-23H,9,11H2,1-3H3</inchi>
  <inchikey>YKGCBLWILMDSAV-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as 8-prenylated flavanones. These are flavanones that features a C5-isoprenoid substituent at the 8-position.</description>
    <direct_parent>8-prenylated flavanones</direct_parent>
    <kingdom>Organic compounds</kingdom>
    <super_class>Phenylpropanoids and polyketides</super_class>
    <class>Flavonoids</class>
    <sub_class>Flavans</sub_class>
    <molecular_framework>Aromatic heteropolycyclic compounds</molecular_framework>
    <alternative_parents>
      <alternative_parent>1-hydroxy-2-unsubstituted benzenoids</alternative_parent>
      <alternative_parent>4'-hydroxyflavonoids</alternative_parent>
      <alternative_parent>5-O-methylated flavonoids</alternative_parent>
      <alternative_parent>7-hydroxyflavonoids</alternative_parent>
      <alternative_parent>Alkyl aryl ethers</alternative_parent>
      <alternative_parent>Anisoles</alternative_parent>
      <alternative_parent>Aryl alkyl ketones</alternative_parent>
      <alternative_parent>Benzene and substituted derivatives</alternative_parent>
      <alternative_parent>Chromones</alternative_parent>
      <alternative_parent>Flavanones</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Organic oxides</alternative_parent>
      <alternative_parent>Oxacyclic compounds</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>1-benzopyran</substituent>
      <substituent>1-hydroxy-2-unsubstituted benzenoid</substituent>
      <substituent>4'-hydroxyflavonoid</substituent>
      <substituent>5-methoxyflavonoid-skeleton</substituent>
      <substituent>7-hydroxyflavonoid</substituent>
      <substituent>8-prenylated flavanone</substituent>
      <substituent>Alkyl aryl ether</substituent>
      <substituent>Anisole</substituent>
      <substituent>Aromatic heteropolycyclic compound</substituent>
      <substituent>Aryl alkyl ketone</substituent>
      <substituent>Aryl ketone</substituent>
      <substituent>Benzenoid</substituent>
      <substituent>Benzopyran</substituent>
      <substituent>Chromane</substituent>
      <substituent>Chromone</substituent>
      <substituent>Ether</substituent>
      <substituent>Flavanone</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Hydroxyflavonoid</substituent>
      <substituent>Ketone</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>
    </substituents>
    <external_descriptors>
      <external_descriptor>Flavanones</external_descriptor>
    </external_descriptors>
  </taxonomy>
  <state/>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>3.25</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-4.40</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>1.42e-02 g/l</value>
      <source>ALOGPS</source>
    </property>
  </predicted_properties>
  <experimental_properties>
    <property>
      <kind>melting_point</kind>
      <value>Mp 204-206°</value>
    </property>
  </experimental_properties>
  <property>
    <kind>logp</kind>
    <value>4.06</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_acidic</kind>
    <value>7.66</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>pka_strongest_basic</kind>
    <value>-4.6</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>iupac</kind>
    <value>7-hydroxy-2-(4-hydroxyphenyl)-5-methoxy-8-(3-methylbut-2-en-1-yl)-3,4-dihydro-2H-1-benzopyran-4-one</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>average_mass</kind>
    <value>354.402</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>mono_mass</kind>
    <value>354.146723808</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>smiles</kind>
    <value>COC1=C2C(=O)CC(OC2=C(CC=C(C)C)C(O)=C1)C1=CC=C(O)C=C1</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>formula</kind>
    <value>C21H22O5</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchi</kind>
    <value>InChI=1S/C21H22O5/c1-12(2)4-9-15-16(23)10-19(25-3)20-17(24)11-18(26-21(15)20)13-5-7-14(22)8-6-13/h4-8,10,18,22-23H,9,11H2,1-3H3</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>inchikey</kind>
    <value>YKGCBLWILMDSAV-UHFFFAOYSA-N</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polar_surface_area</kind>
    <value>75.99</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>refractivity</kind>
    <value>100.01</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>polarizability</kind>
    <value>38.4</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>rotatable_bond_count</kind>
    <value>4</value>
    <source>ChemAxon</source>
  </property>
  <property>
    <kind>acceptor_count</kind>
    <value>5</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>
  <pathways>
  </pathways>
  <spectra>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>17525</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>11381</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>11382</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>11383</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>18053</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>18054</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>18055</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>285648</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>285649</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>285650</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>285651</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>285652</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>285653</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>373722</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>373723</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>373724</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>373725</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>373726</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>373727</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>373728</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>373729</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>373730</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>440237</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>440238</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>440239</spectrum_id>
    </spectrum>
  </spectra>
  <hmdb_id>HMDB34048</hmdb_id>
  <pubchem_compound_id/>
  <chemspider_id/>
  <kegg_id/>
  <chebi_id/>
  <biocyc_id/>
  <het_id/>
  <wikipidia/>
  <vmh_id/>
  <fbonto_id/>
  <foodb_id/>
  <general_references>
    <reference>#&lt;Reference:0x000055ce320c1740&gt;</reference>
  </general_references>
  <foods>
    <food>
      <name>Alcoholic beverages</name>
      <food_type>Unknown</food_type>
      <category>generic</category>
      <name_scientific/>
      <ncbi_taxonomy_id/>
    </food>
    <food>
      <name>Beer</name>
      <food_type>Type 2</food_type>
      <category>specific</category>
      <name_scientific/>
      <ncbi_taxonomy_id/>
      <average_value>0.09844</average_value>
      <max_value>0.212000005</max_value>
      <min_value>0.011</min_value>
      <unit>mg/100 g</unit>
    </food>
  </foods>
  <flavors>
    <flavor>
      <name>bitter</name>
    </flavor>
  </flavors>
  <enzymes>
  </enzymes>
  <health_effects>
  </health_effects>
</compound>
