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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.

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Accession:CHEBI:49955 term browser browse the term
Definition:A tungsten cation that has formula W.
Synonyms:exact_synonym: tungsten(6+) ion;   tungsten(VI) cation
 related_synonym: Formula=W;   InChI=1S/W/q+6;   InChIKey=FZFRVZDLZISPFJ-UHFFFAOYSA-N;   SMILES=[W+6];   TUNGSTEN ION;   Tungsten, ion (W6+);   W(6+)
 alt_id: CHEBI:30515;   CHEBI:49954
 xref: CAS:22541-27-1;   Gmelin:8443;   PDBeChem:W

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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19781
    chemical entity 19781
      molecular entity 19779
        ion 15942
          cation 15774
            monoatomic cation 14017
              tungsten cation 0
                tungsten(6+) 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19781
    subatomic particle 19779
      composite particle 19779
        hadron 19779
          baryon 19779
            nucleon 19779
              atomic nucleus 19779
                atom 19779
                  metal atom 17356
                    transition element atom 16851
                      d-block element atom 16842
                        chromium group element atom 7543
                          tungsten 2117
                            tungsten molecular entity 31
                              elemental tungsten 0
                                tungsten cation 0
                                  tungsten(6+) 0
paths to the root