<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2026-04-03 11:56:23 UTC</creation_date>
  <update_date>2026-08-19 00:54:48 UTC</update_date>
  <accession/>
  <common_name>MCPB ethyl</common_name>
  <class>SmallMolecule</class>
  <description>MCPB ethyl is an organic compound with the chemical formula C13H17Cl1O3 and an average molecular weight of 256.73 g/mol. MCPB ethyl belongs to the phenol ethers, a class of benzenoids within the organic compounds. This substance has been identified in or released from three recorded sources, specifically electrical and electronic equipment including antennas, electric switches, and video games.</description>
  <categories/>
  <types/>
  <synonyms>
    <synonym>4-(4-Chloro-2-methylphenoxy)butyric acid ethyl ester</synonym>
    <synonym>600-564-3</synonym>
    <synonym>BUTANOIC ACID  4-(4-CHLORO-2-METHYLPHENOXY)-  ETHYL ESTER</synonym>
    <synonym>Butanoic acid, 4-(4-chloro-2-methylphenoxy)-, ethyl ester</synonym>
    <synonym>Butyric acid, 4-[(4-chloro-o-tolyl)oxy]-, ethyl ester</synonym>
    <synonym>ethyl 4-(4-chloro-2-methyl-phenoxy)butanoate</synonym>
    <synonym>Ethyl 4-(4-chloro-2-methylphenoxy)butanoate</synonym>
    <synonym>Ethyl 4-(4-chloro-2-methylphenoxy)butyrate</synonym>
    <synonym>GR C1 DO3VO2</synonym>
    <synonym>MCPB ethyl</synonym>
    <synonym>MCPB ethyl ester</synonym>
    <synonym>MCPB-ETHYL</synonym>
    <synonym>MCPB-ethyl ester</synonym>
    <synonym>MCPBE</synonym>
    <synonym>MFCD00128924</synonym>
    <synonym>[10443-70-6]</synonym>
  </synonyms>
  <chemical_formula>C13H17Cl1O3</chemical_formula>
  <average_molecular_weight>256.73</average_molecular_weight>
  <monisotopic_moleculate_weight>256.086622</monisotopic_moleculate_weight>
  <iupac_name/>
  <traditional_iupac/>
  <cas_registry_number>10443-70-6</cas_registry_number>
  <smiles>CCOC(=O)CCCOC1=C(C)C=C(Cl)C=C1</smiles>
  <inchi>InChI=1S/C13H17ClO3/c1-3-16-13(15)5-4-8-17-12-7-6-11(14)9-10(12)2/h6-7,9H,3-5,8H2,1-2H3</inchi>
  <inchikey>XNKARWLGLZGMGX-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <kingdom>Organic compounds</kingdom>
    <super_class>Benzenoids</super_class>
    <class>Phenol ethers</class>
    <sub_class/>
    <direct_parent>Phenol ethers</direct_parent>
    <alternate_parents>
      <alternative_parent>Alkyl aryl ethers</alternative_parent>
      <alternative_parent>Aryl chlorides</alternative_parent>
      <alternative_parent>Carbonyl compounds</alternative_parent>
      <alternative_parent>Carboxylic acid esters</alternative_parent>
      <alternative_parent>Chlorobenzenes</alternative_parent>
      <alternative_parent>Fatty acid esters</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Monocarboxylic acids and derivatives</alternative_parent>
      <alternative_parent>Organic oxides</alternative_parent>
      <alternative_parent>Organochlorides</alternative_parent>
      <alternative_parent>Phenoxy compounds</alternative_parent>
      <alternative_parent>Toluenes</alternative_parent>
    </alternate_parents>
    <substituents>
      <substituent>Alkyl aryl ether</substituent>
      <substituent>Aromatic homomonocyclic compound</substituent>
      <substituent>Aryl chloride</substituent>
      <substituent>Aryl halide</substituent>
      <substituent>Carbonyl group</substituent>
      <substituent>Carboxylic acid derivative</substituent>
      <substituent>Carboxylic acid ester</substituent>
      <substituent>Chlorobenzene</substituent>
      <substituent>Ether</substituent>
      <substituent>Fatty acid ester</substituent>
      <substituent>Fatty acyl</substituent>
      <substituent>Halobenzene</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Monocarboxylic acid or derivatives</substituent>
      <substituent>Monocyclic benzene moiety</substituent>
      <substituent>Organic oxide</substituent>
      <substituent>Organic oxygen compound</substituent>
      <substituent>Organochloride</substituent>
      <substituent>Organohalogen compound</substituent>
      <substituent>Organooxygen compound</substituent>
      <substituent>Phenol ether</substituent>
      <substituent>Phenoxy compound</substituent>
      <substituent>Toluene</substituent>
    </substituents>
    <molecular_framework>Aromatic homomonocyclic compounds</molecular_framework>
    <descriptors/>
  </taxonomy>
  <status>Detected and Not Quantified</status>
  <origin/>
  <cellular_locations/>
  <biofluid_locations/>
  <tissue_locations/>
  <pathways/>
  <state/>
  <appearance/>
  <experimental_properties>
    <property>
      <kind>logp</kind>
      <value>4.3</value>
    </property>
  </experimental_properties>
  <predicted_properties>
    <property>
      <kind>average_mass</kind>
      <value>256.73</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>256.086622</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>smiles</kind>
      <value>CCOC(=O)CCCOC1=C(C)C=C(Cl)C=C1</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>C13H17Cl1O3</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>InChI=1S/C13H17ClO3/c1-3-16-13(15)5-4-8-17-12-7-6-11(14)9-10(12)2/h6-7,9H,3-5,8H2,1-2H3</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>XNKARWLGLZGMGX-UHFFFAOYSA-N</value>
      <source>ChemAxon</source>
    </property>
  </predicted_properties>
  <route_of_exposure/>
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  <drugbank_id/>
  <hmdb_id/>
  <pubchem_compound_id>25286</pubchem_compound_id>
  <chembl_id/>
  <chemspider_id>23619</chemspider_id>
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</compound>
