<?xml version="1.0" encoding="UTF-8"?>
<metabolite>
  <version>1.0</version>
  <creation_date>2016-09-30 23:00:59 UTC</creation_date>
  <update_date>2020-04-22 15:11:11 UTC</update_date>
  <accession>BMDB0002601</accession>
  <secondary_accessions>
    <accession>BMDB02601</accession>
  </secondary_accessions>
  <name>A,b-Dihydroxyisobutyric acid</name>
  <description/>
  <synonyms>
    <synonym>2,3-Dihydroxy-2-methylpropionic acid</synonym>
    <synonym>alpha,beta-Dihydroxyisobutyric acid</synonym>
    <synonym>2,3-Dihydroxy-2-methylpropionate</synonym>
    <synonym>a,b-Dihydroxyisobutyrate</synonym>
    <synonym>alpha,beta-Dihydroxyisobutyrate</synonym>
    <synonym>Α,β-dihydroxyisobutyrate</synonym>
    <synonym>Α,β-dihydroxyisobutyric acid</synonym>
    <synonym>2,3-Dihydroxy-2-methyl-propanoate</synonym>
    <synonym>2,3-Dihydroxy-2-methyl-propanoic acid</synonym>
    <synonym>2,3-Dihydroxy-2-methylpropanoate</synonym>
    <synonym>2,3-Dihydroxy-2-methylpropanoic acid</synonym>
    <synonym>2-C-Methylglycerate</synonym>
    <synonym>2-C-Methylglyceric acid</synonym>
    <synonym>2-Methyl-2,3-dihydroxypropionate</synonym>
    <synonym>2-Methyl-2,3-dihydroxypropionic acid</synonym>
    <synonym>2-Methylglycerate</synonym>
    <synonym>2-Methylglyceric acid</synonym>
    <synonym>2-Methylglyceronate</synonym>
    <synonym>2-Methylglyceronic acid</synonym>
    <synonym>a-Methylglycerate</synonym>
    <synonym>a-Methylglyceric acid</synonym>
    <synonym>alpha-Methylglycerate</synonym>
    <synonym>alpha-Methylglyceric acid</synonym>
    <synonym>a,b-Dihydroxyisobutyric acid</synonym>
    <synonym>a,b-Dihydroxy-isobutyrate</synonym>
  </synonyms>
  <chemical_formula>C4H8O4</chemical_formula>
  <average_molecular_weight>120.1039</average_molecular_weight>
  <monisotopic_moleculate_weight>120.042258744</monisotopic_moleculate_weight>
  <iupac_name>2,3-dihydroxy-2-methylpropanoic acid</iupac_name>
  <traditional_iupac>2-methylglyceric acid</traditional_iupac>
  <cas_registry_number>21620-60-0</cas_registry_number>
  <smiles>CC(O)(CO)C(O)=O</smiles>
  <inchi>InChI=1S/C4H8O4/c1-4(8,2-5)3(6)7/h5,8H,2H2,1H3,(H,6,7)</inchi>
  <inchikey>DGADNPLBVRLJGD-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <description> belongs to the class of organic compounds known as beta hydroxy acids and derivatives. Beta hydroxy acids and derivatives are compounds containing a carboxylic acid substituted with a hydroxyl group on the C3 carbon atom.</description>
    <kingdom>Organic compounds</kingdom>
    <super_class>Organic acids and derivatives</super_class>
    <class>Hydroxy acids and derivatives</class>
    <sub_class>Beta hydroxy acids and derivatives</sub_class>
    <direct_parent>Beta hydroxy acids and derivatives</direct_parent>
    <alternative_parents>
      <alternative_parent>1,2-diols</alternative_parent>
      <alternative_parent>Alpha hydroxy acids and derivatives</alternative_parent>
      <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>Primary alcohols</alternative_parent>
      <alternative_parent>Tertiary alcohols</alternative_parent>
    </alternative_parents>
    <substituents>
      <substituent>1,2-diol</substituent>
      <substituent>Alcohol</substituent>
      <substituent>Aliphatic acyclic compound</substituent>
      <substituent>Alpha-hydroxy acid</substituent>
      <substituent>Beta-hydroxy acid</substituent>
      <substituent>Carbonyl group</substituent>
      <substituent>Carboxylic acid</substituent>
      <substituent>Carboxylic acid derivative</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Monocarboxylic acid or derivatives</substituent>
      <substituent>Organic oxide</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organooxygen compound</substituent>
      <substituent>Primary alcohol</substituent>
      <substituent>Tertiary alcohol</substituent>
    </substituents>
    <molecular_framework>Aliphatic acyclic compounds</molecular_framework>
    <external_descriptors>
      <external_descriptor>Hydroxy fatty acids</external_descriptor>
      <external_descriptor>dihydroxy monocarboxylic acid</external_descriptor>
    </external_descriptors>
  </taxonomy>
  <experimental_properties>
    <state>Solid</state>
  </experimental_properties>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>-1.25</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>0.65</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logp</kind>
      <value>-1.1</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_acidic</kind>
      <value>3.59</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_basic</kind>
      <value>-3.2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>iupac</kind>
      <value>2,3-dihydroxy-2-methylpropanoic acid</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>average_mass</kind>
      <value>120.1039</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>120.042258744</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>smiles</kind>
      <value>CC(O)(CO)C(O)=O</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>C4H8O4</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>InChI=1S/C4H8O4/c1-4(8,2-5)3(6)7/h5,8H,2H2,1H3,(H,6,7)</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>DGADNPLBVRLJGD-UHFFFAOYSA-N</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polar_surface_area</kind>
      <value>77.76</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>refractivity</kind>
      <value>25.1</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polarizability</kind>
      <value>10.65</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>rotatable_bond_count</kind>
      <value>2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>acceptor_count</kind>
      <value>4</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>donor_count</kind>
      <value>3</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>
    <property>
      <kind>number_of_rings</kind>
      <value>0</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>
  </pathways>
  <spectra>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>23098</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>38446</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>133655</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::CMs</type>
      <spectrum_id>141389</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>1803</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>1804</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsIr</type>
      <spectrum_id>1805</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>90702</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>90703</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>90704</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>153924</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>153925</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>153926</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2707607</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2707608</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>2707609</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3000727</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3000728</spectrum_id>
    </spectrum>
    <spectrum>
      <type>Specdb::MsMs</type>
      <spectrum_id>3000729</spectrum_id>
    </spectrum>
  </spectra>
  <normal_concentrations>
  </normal_concentrations>
  <kegg_id/>
  <chemspider_id>487503</chemspider_id>
  <foodb_id>FDB023033</foodb_id>
  <knapsack_id/>
  <drugbank_id/>
  <pubchem_compound_id>560781</pubchem_compound_id>
  <chebi_id>36532</chebi_id>
  <phenol_explorer_compound_id/>
  <pdbe_id/>
  <meta_cyc_id/>
  <bigg_id/>
  <wikipedia_id/>
  <metlin_id>6723</metlin_id>
  <synthesis_reference/>
  <general_references>
  </general_references>
  <protein_associations>
  </protein_associations>
</metabolite>
