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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 21797
    chemical entity 21795
      atom 21783
        metalloid atom 13247
          arsenic atom 11593
            arsenic-75 atom 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 21797
    subatomic particle 21783
      composite particle 21783
        hadron 21783
          baryon 21783
            nucleon 21783
              atomic nucleus 21783
                atom 21783
                  main group element atom 21701
                    p-block element atom 21701
                      pnictogen 19644
                        arsenic atom 11593
                          arsenic-75 atom 0
paths to the root