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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:polonium-203 atom
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Accession:CHEBI:37363 term browser browse the term
Definition:The radioactive isotope of polonium with relative atomic mass 202.981413 and half-life of 36.7 min.
Synonyms:related_synonym: (203)84Po;   (203)Po;   Formula=[203Po];   InChI=1S/Po/i1-6;   InChIKey=HZEBHPIOVYHPMT-VENIDDJXSA-N;   SMILES=[203Po];   polonium, isotope of mass 203;   polonium-203
 xref: CAS:16729-74-1



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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 398
    chemical entity 398
      atom 398
        metal atom 32
          polonium atom 0
            polonium-203 atom 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 398
    subatomic particle 398
      composite particle 398
        hadron 398
          baryon 398
            nucleon 398
              atomic nucleus 398
                atom 398
                  main group element atom 391
                    p-block element atom 391
                      chalcogen 349
                        polonium atom 0
                          polonium-203 atom 0
paths to the root