<?xml version="1.0" encoding="UTF-8"?>
<compound>
  <version>1.0</version>
  <creation_date>2016-05-19 02:26:07 UTC</creation_date>
  <update_date>2026-04-17 19:21:06 UTC</update_date>
  <accession/>
  <common_name>SKATOLE</common_name>
  <class>SmallMolecule</class>
  <description>Skatole is an organic compound with the formula C9H9N and an average molecular weight of 131.17 g/mol. SKATOLE belongs to the indoles, a subclass of indoles and derivatives within the organic compounds. Biologically, it acts as a metabolite (PMC12942598). In industrial applications, it is utilized as a fragrance, as well as a flavouring and nutrient (PMC12942598).

The compound is released from plastics, specifically polypropylene and polystyrene. It is found in or released from 44 recorded sources across multiple sectors. These include electrical and electronic equipment, such as electrodes, discharge lamps, electric switches, electrically stimulated smoking devices, and conductors or conductive bodies characterised by the conductive materials, among four others. In the food, food processing and cookware sector, it is associated with food contact materials, cellar tools, food preservation, the preparation of vinegar, and fermentation processes for beer, among two others. Household cleaning and consumer products sources include soap detergents, bleaching agents, perfumes within detergents and soaps, tobacco product cases, and cigar cigarettes, among one other. Additionally, it is present in aquatic systems and sediments, including seawater, freshwater, surface water, and groundwater. Within building and construction, it is found in floors, ceilings, fencing, and waterproofing sprays. It is also present in drinking water and water supply, including bottled water, desalinated water, tap water, and drinking water. Recorded exposure routes for the compound include touch, oral, and inhalation.</description>
  <categories/>
  <types>
    <type>PMT</type>
  </types>
  <synonyms>
    <synonym>2(or 3)-methylindole</synonym>
    <synonym>3-Methyl-1H-indole</synonym>
    <synonym>3-Methylindole</synonym>
  </synonyms>
  <chemical_formula>C9H9N</chemical_formula>
  <average_molecular_weight>131.1745</average_molecular_weight>
  <monisotopic_moleculate_weight>131.073499293</monisotopic_moleculate_weight>
  <iupac_name>3-methyl-1H-indole</iupac_name>
  <traditional_iupac>scatole</traditional_iupac>
  <cas_registry_number>83-34-1</cas_registry_number>
  <smiles>CC1=CNC2=C1C=CC=C2</smiles>
  <inchi>InChI=1S/C9H9N/c1-7-6-10-9-5-3-2-4-8(7)9/h2-6,10H,1H3</inchi>
  <inchikey>ZFRKQXVRDFCRJG-UHFFFAOYSA-N</inchikey>
  <taxonomy>
    <kingdom>Organic compounds</kingdom>
    <super_class>Organoheterocyclic compounds</super_class>
    <class>Indoles and derivatives</class>
    <sub_class>Indoles</sub_class>
    <direct_parent>3-methylindoles</direct_parent>
    <alternate_parents>
      <alternative_parent>Azacyclic compounds</alternative_parent>
      <alternative_parent>Benzenoids</alternative_parent>
      <alternative_parent>Heteroaromatic compounds</alternative_parent>
      <alternative_parent>Hydrocarbon derivatives</alternative_parent>
      <alternative_parent>Organonitrogen compounds</alternative_parent>
      <alternative_parent>Organopnictogen compounds</alternative_parent>
      <alternative_parent>Substituted pyrroles</alternative_parent>
    </alternate_parents>
    <substituents>
      <substituent>3-methylindole</substituent>
      <substituent>Aromatic heteropolycyclic compound</substituent>
      <substituent>Azacycle</substituent>
      <substituent>Benzenoid</substituent>
      <substituent>Heteroaromatic compound</substituent>
      <substituent>Hydrocarbon derivative</substituent>
      <substituent>Organic nitrogen compound</substituent>
      <substituent>Organonitrogen compound</substituent>
      <substituent>Organopnictogen compound</substituent>
      <substituent>Pyrrole</substituent>
      <substituent>Substituted pyrrole</substituent>
    </substituents>
    <molecular_framework>Aromatic heteropolycyclic compounds</molecular_framework>
    <descriptors>
      <descriptor>a small molecule</descriptor>
      <descriptor>methylindole</descriptor>
    </descriptors>
  </taxonomy>
  <status>Detected and Not Quantified</status>
  <origin/>
  <cellular_locations/>
  <biofluid_locations/>
  <tissue_locations/>
  <pathways/>
  <state/>
  <appearance/>
  <experimental_properties/>
  <predicted_properties>
    <property>
      <kind>logp</kind>
      <value>2.58</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logs</kind>
      <value>-1.63</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>solubility</kind>
      <value>3.09e+00 g/l</value>
      <source>ALOGPS</source>
    </property>
    <property>
      <kind>logp</kind>
      <value>2.59</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>pka_strongest_acidic</kind>
      <value>17.48</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>iupac</kind>
      <value>3-methyl-1H-indole</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>average_mass</kind>
      <value>131.1745</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>mono_mass</kind>
      <value>131.073499293</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>smiles</kind>
      <value>CC1=CNC2=C1C=CC=C2</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>formula</kind>
      <value>C9H9N</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchi</kind>
      <value>InChI=1S/C9H9N/c1-7-6-10-9-5-3-2-4-8(7)9/h2-6,10H,1H3</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>inchikey</kind>
      <value>ZFRKQXVRDFCRJG-UHFFFAOYSA-N</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polar_surface_area</kind>
      <value>15.79</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>refractivity</kind>
      <value>42.19</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>polarizability</kind>
      <value>14.95</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>rotatable_bond_count</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>acceptor_count</kind>
      <value>0</value>
      <source>ChemAxon</source>
    </property>
    <property>
      <kind>donor_count</kind>
      <value>1</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>
  </predicted_properties>
  <route_of_exposure/>
  <mechanism_of_toxicity/>
  <metabolism/>
  <toxicity/>
  <lethaldose/>
  <carcinogenicity/>
  <use_source/>
  <min_risk_level/>
  <health_effects>#&lt;HealthEffect::ActiveRecord_Associations_CollectionProxy:0x00007f3bb3b50338&gt;</health_effects>
  <symptoms/>
  <treatment/>
  <drugbank_id/>
  <hmdb_id/>
  <pubchem_compound_id>6736</pubchem_compound_id>
  <chembl_id/>
  <chemspider_id>6480</chemspider_id>
  <kegg_id/>
  <uniprot_id/>
  <omim_id/>
  <chebi_id/>
  <biocyc_id/>
  <ctd_id/>
  <stitch_id/>
  <actor_id/>
  <pdb_id/>
  <wikipidia/>
  <general_references/>
  <targets>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
    <target>
      <target_id/>
      <mechanism_of_action/>
      <constants/>
      <references/>
    </target>
  </targets>
</compound>
