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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.

Term:chromotropic acid
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Accession:CHEBI:1751 term browser browse the term
Definition:A naphthalenesulfonic acid that is naphthalene-2,7-disulfonic acid substituted by hydroxy groups at positions 4 and 5.
Synonyms:related_synonym: 4,5-Dihydroxynaphthalene-2,7-disulfonic acid;   Formula=C10H8O8S2;   InChI=1S/C10H8O8S2/c11-8-3-6(19(13,14)15)1-5-2-7(20(16,17)18)4-9(12)10(5)8/h1-4,11-12H,(H,13,14,15)(H,16,17,18);   InChIKey=HLVXFWDLRHCZEI-UHFFFAOYSA-N;   SMILES=Oc1cc(cc2cc(cc(O)c12)S(O)(=O)=O)S(O)(=O)=O
 xref: Beilstein:1827764;   CAS:148-25-4;   KEGG:C11323;   PMID:14663545;   PMID:25172574;   Reaxys:1827764;   Wikipedia:Chromotropic_acid

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  CHEBI ontology 19816
    role 19764
      application 19426
        indicator 8651
          chromotropic acid 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19816
    subatomic particle 19814
      composite particle 19814
        hadron 19814
          baryon 19814
            nucleon 19814
              atomic nucleus 19814
                atom 19814
                  main group element atom 19702
                    p-block element atom 19702
                      chalcogen 19399
                        oxygen atom 19361
                          oxygen molecular entity 19361
                            hydroxides 19107
                              oxoacid 18241
                                chalcogen oxoacid 11491
                                  sulfur oxoacid 11095
                                    sulfonic acid 7340
                                      sulfo group 5741
                                        organosulfonic acid 5741
                                          arenesulfonic acid 674
                                            naphthalenesulfonic acid 44
                                              chromotropic acid 0
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