<?xml version="1.0" encoding="UTF-8"?>
<metabolite>
  <version>1.0</version>
  <creation_date>2016-09-30 23:06:06 UTC</creation_date>
  <update_date>2020-05-21 16:28:47 UTC</update_date>
  <accession>BMDB0003791</accession>
  <secondary_accessions>
    <accession>BMDB03791</accession>
  </secondary_accessions>
  <name>3,4-Dihydroxyphenylacetaldehyde</name>
  <description>3,4-Dihydroxyphenylacetaldehyde, also known as 3,4-dihydroxyphenylacetaldehyde or 3,4-dihydroxyphenylacetaldehyde, belongs to the class of organic compounds known as phenylacetaldehydes. Phenylacetaldehydes are compounds containing a phenylacetaldehyde moiety, which consists of a phenyl group substituted at the second position by an acetalydehyde. 3,4-Dihydroxyphenylacetaldehyde is possibly soluble (in water) and an extremely weak basic (essentially neutral) compound (based on its pKa). 3,4-Dihydroxyphenylacetaldehyde exists in all living organisms, ranging from bacteria to humans. 3,4-Dihydroxyphenylacetaldehyde participates in a number of enzymatic reactions, within cattle. In particular, 3,4-Dihydroxyphenylacetaldehyde can be biosynthesized from dopamine; which is catalyzed by the enzyme amine oxidase [flavin-containing] a. In addition, 3,4-Dihydroxyphenylacetaldehyde can be converted into 3,4-dihydroxybenzeneacetic acid; which is mediated by the enzyme 3,4-dihydroxyphenylacetaldehyde. In cattle, 3,4-dihydroxyphenylacetaldehyde is involved in the metabolic pathway called the tyrosine metabolism pathway.</description>
  <synonyms>
    <synonym>2-(3,4-Dihydroxyphenyl)ethanal</synonym>
    <synonym>DOPAL</synonym>
    <synonym>Protocatechuatealdehyde</synonym>
    <synonym>DHPAA aldehyde</synonym>
    <synonym>3,4-Dihydroxy-benzeneacetaldehyde</synonym>
  </synonyms>
  <chemical_formula>C8H8O3</chemical_formula>
  <average_molecular_weight>152.1473</average_molecular_weight>
  <monisotopic_moleculate_weight>152.047344122</monisotopic_moleculate_weight>
  <iupac_name>2-(3,4-dihydroxyphenyl)acetaldehyde</iupac_name>
  <traditional_iupac>dopal</traditional_iupac>
  <cas_registry_number>5707-55-1</cas_registry_number>
  <smiles>OC1=C(O)C=C(CC=O)C=C1</smiles>
  <inchi>InChI=1S/C8H8O3/c9-4-3-6-1-2-7(10)8(11)5-6/h1-2,4-5,10-11H,3H2</inchi>
  <inchikey>IADQVXRMSNIUEL-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as phenylacetaldehydes. Phenylacetaldehydes are compounds containing a phenylacetaldehyde moiety, which consists of a phenyl group substituted at the second position by an acetalydehyde.</description>
    <kingdom>Organic compounds</kingdom>
    <super_class>Benzenoids</super_class>
    <class>Benzene and substituted derivatives</class>
    <sub_class>Phenylacetaldehydes</sub_class>
    <direct_parent>Phenylacetaldehydes</direct_parent>
    <alternative_parents>
      <alternative_parent>1-hydroxy-2-unsubstituted benzenoids</alternative_parent>
      <alternative_parent>1-hydroxy-4-unsubstituted benzenoids</alternative_parent>
      <alternative_parent>Alpha-hydrogen aldehydes</alternative_parent>
      <alternative_parent>Catechols</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Organic oxides</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>1-hydroxy-2-unsubstituted benzenoid</substituent>
      <substituent>1-hydroxy-4-unsubstituted benzenoid</substituent>
      <substituent>Aldehyde</substituent>
      <substituent>Alpha-hydrogen aldehyde</substituent>
      <substituent>Aromatic homomonocyclic compound</substituent>
      <substituent>Carbonyl group</substituent>
      <substituent>Catechol</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Organic oxide</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organooxygen compound</substituent>
      <substituent>Phenol</substituent>
      <substituent>Phenylacetaldehyde</substituent>
    </substituents>
    <molecular_framework>Aromatic homomonocyclic compounds</molecular_framework>
    <external_descriptors>
      <external_descriptor>a small molecule</external_descriptor>
      <external_descriptor>alpha-CH2-containing aldehyde</external_descriptor>
      <external_descriptor>catechols</external_descriptor>
      <external_descriptor>phenylacetaldehydes</external_descriptor>
    </external_descriptors>
  </taxonomy>
  <experimental_properties>
    <state>Solid</state>
    <property>
      <kind>logp</kind>
      <value>1.005</value>
      <source/>
    </property>
  </experimental_properties>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>1.15</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-1.24</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logp</kind>
      <value>0.85</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_acidic</kind>
      <value>9.27</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_basic</kind>
      <value>-6.3</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>iupac</kind>
      <value>2-(3,4-dihydroxyphenyl)acetaldehyde</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>average_mass</kind>
      <value>152.1473</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>152.047344122</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>smiles</kind>
      <value>OC1=C(O)C=C(CC=O)C=C1</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>C8H8O3</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>InChI=1S/C8H8O3/c9-4-3-6-1-2-7(10)8(11)5-6/h1-2,4-5,10-11H,3H2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>IADQVXRMSNIUEL-UHFFFAOYSA-N</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polar_surface_area</kind>
      <value>57.53</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>refractivity</kind>
      <value>40.4</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polarizability</kind>
      <value>14.78</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>rotatable_bond_count</kind>
      <value>2</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>1</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>
    <pathway>
      <name>Tyrosine Metabolism</name>
      <smpdb_id>SMP0087235</smpdb_id>
      <kegg_map_id/>
    </pathway>
  </pathways>
  <spectra>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>2064</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>2065</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>2066</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>19931</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>19932</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>19933</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>21482</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>21483</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>21484</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2461312</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2461313</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2461314</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2477363</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2477364</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2477365</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>24620</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>38654</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>153813</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>34742</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>34743</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>34744</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>34745</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>34746</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>34747</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>34748</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>34749</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>34750</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>34751</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>34752</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>34753</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>34754</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>34755</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>34756</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>34757</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>34758</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>34759</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>34760</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::NmrOneD</type>
      <spectrum_id>34761</spectrum_id>
    </spectrum>
  </spectra>
  <normal_concentrations>
  </normal_concentrations>
  <foodb_id>FDB023227</foodb_id>
  <chemspider_id>106504</chemspider_id>
  <pubchem_compound_id>119219</pubchem_compound_id>
  <drugbank_id/>
  <kegg_id>C04043</kegg_id>
  <knapsack_id>C00052036</knapsack_id>
  <chebi_id>27978</chebi_id>
  <pdbe_id/>
  <meta_cyc_id/>
  <phenol_explorer_compound_id/>
  <bigg_id/>
  <wikipedia_id>3,4-Dihydroxyphenylacetaldehyde</wikipedia_id>
  <metlin_id/>
  <synthesis_reference/>
  <general_references>
  </general_references>
  <protein_associations>
    <protein>
      <protein_accession>BMDBP00890</protein_accession>
      <name>Amine oxidase [flavin-containing] A</name>
      <uniprot_id>P21398</uniprot_id>
      <gene_name>MAOA</gene_name>
      <protein_type>Enzyme</protein_type>
    </protein>
  </protein_associations>
</metabolite>
