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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 20050
    chemical entity 20049
      atom 20048
        nonmetal atom 19936
          sulfur atom 16504
            sulfur molecular entity 16504
              sulfur oxoacid 11291
                dithionic acid 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 20050
    subatomic particle 20048
      composite particle 20048
        hadron 20048
          baryon 20048
            nucleon 20048
              atomic nucleus 20048
                atom 20048
                  main group element atom 19948
                    p-block element atom 19948
                      chalcogen 19673
                        oxygen atom 19644
                          oxygen molecular entity 19644
                            hydroxides 19375
                              oxoacid 18675
                                chalcogen oxoacid 11672
                                  sulfur oxoacid 11291
                                    dithionic acid 0
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