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CHEBI ONTOLOGY - ANNOTATIONS

The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at http://www.ebi.ac.uk/chebi/. The data is made available under the Creative Commons License (CC BY 3.0, http://creativecommons.org/licenses/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:diphosphoric acid
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Accession:CHEBI:29888 term browser browse the term
Definition:An acyclic phosphorus acid anhydride obtained by condensation of two molecules of phosphoric acid.
Synonyms:exact_synonym: 1,5-dihydrido-2,4-dihydroxido-2,4-dioxido-1,3,5-trioxy-2,4-diphosphy-[5]catena;   mu-oxido-bis(dihydroxidooxidophosphorus)
 related_synonym: Diphosphorsaeure;   Formula=H4O7P2;   H4P2O7;   InChI=1S/H4O7P2/c1-8(2,3)7-9(4,5)6/h(H2,1,2,3)(H2,4,5,6);   InChIKey=XPPKVPWEQAFLFU-UHFFFAOYSA-N;   PYROPHOSPHATE;   Pyrophosphoric acid;   Pyrophosphorsaeure;   SMILES=OP(O)(=O)OP(O)(O)=O;   [(HO)2P(O)OP(O)(OH)2];   acide diphosphorique
 alt_id: CHEBI:45067;   CHEBI:8683
 xref: CAS:2466-09-3;   DrugBank:DB04160;   ECMDB:ECMDB04142;   Gmelin:82619;   KEGG:C00013;   KNApSAcK:C00019561
 xref_mesh: MESH:C107241
 xref: PDBeChem:PPV;   PMID:6291941;   Reaxys:3942075
 cyclic_relationship: is_conjugate_acid_of CHEBI:33017


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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 5052
    role 5044
      chemical role 824
        acid 411
          Bronsted acid 420
            oxoacid 403
              pnictogen oxoacid 87
                phosphorus oxoacid 84
                  diphosphoric acid 0
                    diphosphate group + 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 5052
    subatomic particle 5043
      composite particle 5043
        hadron 5071
          baryon 5043
            nucleon 5043
              atomic nucleus 5043
                atom 5043
                  main group element atom 5013
                    p-block element atom 5010
                      chalcogen 4915
                        oxygen atom 4910
                          oxygen molecular entity 4883
                            hydroxides 4835
                              oxoacid 403
                                pnictogen oxoacid 87
                                  phosphorus oxoacid 84
                                    diphosphoric acid 0
                                      diphosphate group + 0
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