Send us a Message



Submit Data |  Help |  Video Tutorials |  News |  Publications |  Download |  REST API |  Citing RGD |  Contact   

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
go back to main search page
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



show annotations for term's descendants           Sort by:

Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 22189
    chemical entity 22188
      atom 22181
        nonmetal atom 22064
          nitrogen atom 20018
            nitrogen-15 atom 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 22189
    subatomic particle 22181
      composite particle 22181
        hadron 22181
          baryon 22181
            nucleon 22181
              atomic nucleus 22181
                atom 22181
                  main group element atom 22115
                    p-block element atom 22115
                      pnictogen 20339
                        nitrogen atom 20018
                          nitrogen-15 atom 0
paths to the root