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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-37 atom
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Accession:CHEBI:37984 term browser browse the term
Definition:The radioactive isotope of sulfur with relative atomic mass 36.9711257 and half-life of 5.05 min.
Synonyms:related_synonym: (37)16S;   (37)S;   Formula=[37S];   InChI=1S/S/i1+5;   InChIKey=NINIDFKCEFEMDL-BKFZFHPZSA-N;   SMILES=[37S];   sulfur, isotope of mass 37;   sulfur-37;   sulphur-37
 xref: CAS:15753-06-7

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Path 1
Term Annotations click to browse term
  CHEBI ontology 19911
    chemical entity 19909
      atom 19909
        nonmetal atom 19845
          sulfur atom 17713
            sulfur-37 atom 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19911
    subatomic particle 19909
      composite particle 19909
        hadron 19909
          baryon 19909
            nucleon 19909
              atomic nucleus 19909
                atom 19909
                  main group element atom 19856
                    p-block element atom 19856
                      chalcogen 19605
                        sulfur atom 17713
                          sulfur-37 atom 0
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