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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:dithionic acid
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Accession:CHEBI:29208 term browser browse the term
Definition:A sulfur oxoacid that has formula H2O6S2.
Synonyms:exact_synonym: 1,4-dihydrido-2,2,3,3-tetraoxido-1,4-dioxy-2,3-disulfy-[4]catena;   bis(hydroxidodioxidosulfur)(S--S)
 related_synonym: Formula=H2O6S2;   H2S2O6;   InChI=1S/H2O6S2/c1-7(2,3)8(4,5)6/h(H,1,2,3)(H,4,5,6);   InChIKey=RMGVZKRVHHSUIM-UHFFFAOYSA-N;   SMILES=[H]OS(=O)(=O)S(=O)(=O)O[H];   [(HO)(O)2SS(O)2(OH)];   hypodisulfuric acid
 xref: CAS:14970-71-9;   Gmelin:82514
 cyclic_relationship: is_conjugate_acid_of CHEBI:33486

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Path 1
Term Annotations click to browse term
  CHEBI ontology 19823
    chemical entity 19823
      atom 19821
        nonmetal atom 19709
          sulfur atom 16403
            sulfur molecular entity 16403
              sulfur oxoacid 11107
                dithionic acid 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19823
    subatomic particle 19821
      composite particle 19821
        hadron 19821
          baryon 19821
            nucleon 19821
              atomic nucleus 19821
                atom 19821
                  main group element atom 19720
                    p-block element atom 19720
                      chalcogen 19471
                        oxygen atom 19447
                          oxygen molecular entity 19447
                            hydroxides 19175
                              oxoacid 18500
                                chalcogen oxoacid 11499
                                  sulfur oxoacid 11107
                                    dithionic acid 0
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