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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:sulfur-35 atom
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Accession:CHEBI:37983 term browser browse the term
Definition:The radioactive isotope of sulfur with relative atomic mass 34.9690322 and nuclear spin (3)/2. The longest-lived sulfur radionuclide with half-life of 87.5 days.
Synonyms:related_synonym: (35)16S;   (35)S;   Formula=[35S];   InChI=1S/S/i1+3;   InChIKey=NINIDFKCEFEMDL-AKLPVKDBSA-N;   SMILES=[35S];   sulfur, isotope of mass 35;   sulfur-35;   sulphur-35
 xref: CAS:15117-53-0

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Path 1
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  CHEBI ontology 19908
    chemical entity 19906
      atom 19906
        nonmetal atom 19842
          sulfur atom 17712
            sulfur-35 atom 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19908
    subatomic particle 19906
      composite particle 19906
        hadron 19906
          baryon 19906
            nucleon 19906
              atomic nucleus 19906
                atom 19906
                  main group element atom 19853
                    p-block element atom 19853
                      chalcogen 19601
                        sulfur atom 17712
                          sulfur-35 atom 0
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