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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:nitrogen-15 atom
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Accession:CHEBI:36934 term browser browse the term
Definition:The stable isotope of nitrogen with relative atomic mass 15.000109. The least abundant (0.368 atom percent) isotope of naturally occurring nitrogen.
Synonyms:related_synonym: (15)7N;   (15)N;   Formula=N;   nitrogen, isotope of mass 15;   nitrogen-15
 xref: CAS:14390-96-6



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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 20089
    chemical entity 20088
      atom 20058
        nonmetal atom 19979
          nitrogen atom 18963
            nitrogen-15 atom 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 20089
    subatomic particle 20058
      composite particle 20058
        hadron 20088
          baryon 20088
            nucleon 20088
              atomic nucleus 20088
                atom 20058
                  main group element atom 19960
                    p-block element atom 19990
                      pnictogen 19035
                        nitrogen atom 18963
                          nitrogen-15 atom 0
paths to the root