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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:28891 term browser browse the term
Definition:A heteranthrene that has formula C12H8O2.
Synonyms:related_synonym: Dibenzo-p-dioxin;   Formula=C12H8O2;   InChI=1S/C12H8O2/c1-2-6-10-9(5-1)13-11-7-3-4-8-12(11)14-10/h1-8H;   InChIKey=NFBOHOGPQUYFRF-UHFFFAOYSA-N;   SMILES=O1c2ccccc2Oc2ccccc12;   dibenzo[1,4]dioxin;   dibenzo[1,4]dioxine;   dibenzo[b,e][1,4]dioxin;   dibenzo[b,e][1,4]dioxine;   dibenzodioxin;   diphenylene dioxide;   phenodioxin
 alt_id: CHEBI:23678;   CHEBI:4497
 xref: Beilstein:143227;   CAS:262-12-4;   Gmelin:280302;   KEGG:C07732
 xref_mesh: MESH:C020887
 xref: UM-BBD_compID:c0426

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oxanthrene term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Cyp1a1 cytochrome P450, family 1, subfamily a, polypeptide 1 affects abundance ISO CYP1A1 gene polymorphism affects the abundance of dibenzo(1,4)dioxin CTD PMID:23528250 NCBI chr 8:62,472,087...62,478,122
Ensembl chr 8:62,472,095...62,478,147
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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19787
    role 19734
      biological role 19734
        xenobiotic 18381
          dibenzodioxine 13873
            oxanthrene 1
Path 2
Term Annotations click to browse term
  CHEBI ontology 19787
    subatomic particle 19784
      composite particle 19784
        hadron 19784
          baryon 19784
            nucleon 19784
              atomic nucleus 19784
                atom 19784
                  main group element atom 19672
                    p-block element atom 19672
                      carbon group element atom 19574
                        carbon atom 19563
                          organic molecular entity 19563
                            organic molecule 19488
                              organic cyclic compound 19285
                                organic heterocyclic compound 18410
                                  organic heteropolycyclic compound 17824
                                    organic heterotricyclic compound 14571
                                      dibenzodioxine 13873
                                        oxanthrene 1
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RGD is funded by grant HL64541 from the National Heart, Lung, and Blood Institute on behalf of the NIH.