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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:60567 term browser browse the term
Definition:An azobenzene derivative carrying two para-trimethylammonium substituents.
Synonyms:exact_synonym: 4,4'-(E)-diazene-1,2-diylbis(N,N,N-trimethylanilinium)
 related_synonym: 4,4'-azobis(N,N,N-trimethylbenzenaminium);   4-Azobenzenetrimethylammonium;   Formula=C18H26N4;   InChI=1S/C18H26N4/c1-21(2,3)17-11-7-15(8-12-17)19-20-16-9-13-18(14-10-16)22(4,5)6/h7-14H,1-6H3/q+2/b20-19+;   InChIKey=KSOCVFUBQIXVDC-FMQUCBEESA-N;   SMILES=C[N+](C)(C)c1ccc(cc1)\\N=N\\c1ccc(cc1)[N+](C)(C)C;   TMA;   p-Azobenzenetrimethylammonium
 xref: CAS:21704-61-0;   PMID:7868912

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Path 1
Term Annotations click to browse term
  CHEBI ontology 400
    chemical entity 400
      molecular entity 400
        ion 26
          organic ion 18
            organic cation 11
              quaternary ammonium ion 5
                p-azophenyltrimethylammonium 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 400
    subatomic particle 400
      composite particle 400
        hadron 400
          baryon 400
            nucleon 400
              atomic nucleus 400
                atom 400
                  main group element atom 393
                    main group molecular entity 393
                      s-block molecular entity 337
                        hydrogen molecular entity 336
                          hydrides 276
                            inorganic hydride 239
                              pnictogen hydride 238
                                nitrogen hydride 238
                                  diazene 1
                                    azo group 1
                                      azo compound 1
                                        azobenzenes 1
                                          azobenzene 0
                                            p-azophenyltrimethylammonium 0
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