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The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at The data is made available under the Creative Commons License (CC BY 3.0, For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

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Accession:CHEBI:147298 term browser browse the term
Definition:A member of the class of 1,4-benzoquinones that is p-benzoquinone in which the hydrogens at positions 2 and 6 have been replaced by chlorines. A highly toxic and carcinogenic disinfection by-product found in drinking water.
Synonyms:exact_synonym: 2,6-dichlorocyclohexa-2,5-diene-1,4-dione
 related_synonym: 2,6-DCBQ;   2,6-dichloquinone;   2,6-dichloro-1,4-benzoquinone;   2,6-dichloro-2,5-cyclohexadiene-1,4-dione;   2,6-dichloro-p-benzoquinone;   2,6-dichloroquinone;   DCBQ;   Formula=C6H2Cl2O2;   InChI=1S/C6H2Cl2O2/c7-4-1-3(9)2-5(8)6(4)10/h1-2H;   InChIKey=JCARTGJGWCGSSU-UHFFFAOYSA-N;   NSC 6211;   SMILES=C1(C=C(C(C(=C1)Cl)=O)Cl)=O
 xref: CAS:697-91-6;   MetaCyc:CPD-22339;   PMID:12057943;   PMID:20025006;   PMID:27669387;   PMID:27984805;   PMID:28649822;   PMID:29406093;   PMID:29977665;   PMID:30500751;   PMID:31519098

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Path 1
Term Annotations click to browse term
  CHEBI ontology 19853
    role 19804
      biological role 19804
        poison 18122
          2,6-dichlorobenzoquinone 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19853
    subatomic particle 19851
      composite particle 19851
        hadron 19851
          baryon 19851
            nucleon 19851
              atomic nucleus 19851
                atom 19851
                  main group element atom 19744
                    p-block element atom 19744
                      carbon group element atom 19650
                        carbon atom 19639
                          organic molecular entity 19639
                            organic group 18550
                              organic divalent group 18541
                                organodiyl group 18541
                                  carbonyl group 18447
                                    carbonyl compound 18447
                                      ketone 16192
                                        cyclic ketone 13904
                                          quinone 8350
                                            benzoquinones 720
                                              1,4-benzoquinones 715
                                                2,6-dichlorobenzoquinone 0
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