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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:30503 term browser browse the term
Definition:A beryllium cation that has formula Be.
Synonyms:exact_synonym: beryllium(1+) ion;   beryllium(I) cation
 related_synonym: Be;   Formula=Be;   InChI=1S/Be/q+1;   InChIKey=FSZJGTOCGOQRRE-UHFFFAOYSA-N;   SMILES=[Be+]
 xref: CAS:14701-08-7

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Path 1
Term Annotations click to browse term
  CHEBI ontology 401
    chemical entity 401
      molecular entity 401
        ion 27
          monoatomic ion 15
            monoatomic cation 10
              monoatomic monocation 10
                beryllium(1+) 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 401
    subatomic particle 401
      composite particle 401
        hadron 401
          baryon 401
            nucleon 401
              atomic nucleus 401
                atom 401
                  main group element atom 394
                    main group molecular entity 394
                      s-block molecular entity 338
                        alkaline earth molecular entity 4
                          beryllium molecular entity 0
                            elemental beryllium 0
                              monoatomic beryllium 0
                                beryllium ion 0
                                  beryllium cation 0
                                    beryllium(1+) 0
paths to the root