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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:arsenic-75 atom
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Accession:CHEBI:176584 term browser browse the term
Definition:A stable isotope of arsenic with relative atomic mass 74.921596, 100 atom percent natural abundance and nuclear spin 3/2.
Synonyms:exact_synonym: ((75)As)arsenic
 related_synonym: (75)33As;   As-75;   Formula=[75As];   InChI=1S/As/i1+0;   InChIKey=RQNWIZPPADIBDY-IGMARMGPSA-N;   SMILES=[75As];   arsenic, isotope of mass 75;   arsenic-75

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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 25189
    chemical entity 25160
      atom 25151
        metalloid atom 14665
          arsenic atom 12973
            arsenic-75 atom 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 25189
    subatomic particle 25151
      composite particle 25151
        hadron 25151
          baryon 25151
            nucleon 25151
              atomic nucleus 25151
                atom 25151
                  main group element atom 25031
                    p-block element atom 25031
                      pnictogen 22462
                        arsenic atom 12973
                          arsenic-75 atom 0
paths to the root