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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:3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid
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Accession:CHEBI:40863 term browser browse the term
Definition:A dihydroxyanthraquinone that is 1,2-dihydroxyanthraquinone compound carrying an additional sulfo substituent at the 3-position. The monosodium salt is the biological stain 'alizarin red S'.
Synonyms:related_synonym: 1,2-Dihydroxy-3-sulfoanthraquinone;   1,2-Dihydroxy-3-sulfonate-9,10-anthraquinone;   3,4-Dihydroxy-2-anthraquinonesulfonic acid;   3,4-Dihydroxy-9,10-anthraquinone-2-sulfonic acid;   3,4-Dihydroxy-9,10-dioxo-2-anthracenesulfonic acid;   3-Alizarinsulfonic acid;   9,10-Dihydro-3,4-dihydroxy-9,10-dioxo-2-anthracenesulfonic acid;   ALIZARIN RED;   Alizarin Red S;   Alizarin Red S free acid;   Az-R;   Formula=C14H8O7S;   InChI=1S/C14H8O7S/c15-11-6-3-1-2-4-7(6)12(16)10-8(11)5-9(22(19,20)21)13(17)14(10)18/h1-5,17-18H,(H,19,20,21);   InChIKey=JKYKXTRKURYNGW-UHFFFAOYSA-N;   SMILES=Oc1c(O)c2C(=O)c3ccccc3C(=O)c2cc1S(O)(=O)=O
 alt_id: CHEBI:87364
 xref: Beilstein:2225330;   CAS:83-61-4;   Gmelin:379346
 xref_mesh: MESH:C004468
 xref: PDBeChem:AZN;   PMID:14500876
 cyclic_relationship: is_conjugate_acid_of CHEBI:87361

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3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Alb albumin affects binding ISO Alizarin Red S binds to ALB protein CTD PMID:18968587 NCBI chr14:17,607,397...17,622,814
Ensembl chr14:17,607,381...17,622,836
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  CHEBI ontology 19765
    role 19738
      application 19572
        dye 2950
          histological dye 250
            3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid 1
Path 2
Term Annotations click to browse term
  CHEBI ontology 19765
    subatomic particle 19763
      composite particle 19763
        hadron 19763
          baryon 19763
            nucleon 19763
              atomic nucleus 19763
                atom 19763
                  main group element atom 19712
                    p-block element atom 19712
                      carbon group element atom 19658
                        carbon atom 19654
                          organic molecular entity 19654
                            organic group 18856
                              organic divalent group 18842
                                organodiyl group 18842
                                  carbonyl group 18807
                                    carbonyl compound 18807
                                      ketone 17109
                                        cyclic ketone 15669
                                          quinone 8537
                                            acenoquinone 7612
                                              anthraquinone 510
                                                hydroxyanthraquinones 499
                                                  dihydroxyanthraquinone 342
                                                    3,4-dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-sulfonic acid 1
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