Send us a Message

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


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:silicon-31 atom
go back to main search page
Accession:CHEBI:37977 term browser browse the term
Definition:The radioactive isotope of silicon with relative atomic mass 30.975363, half-life of 2.62 hours and nuclear spin (3)/2.
Synonyms:related_synonym: (31)14Si;   (31)Si;   Formula=[31Si];   InChI=1S/Si/i1+3;   InChIKey=XUIMIQQOPSSXEZ-AKLPVKDBSA-N;   SMILES=[31Si];   silicon, isotope of mass 31;   silicon-31
 xref: CAS:14276-49-4

show annotations for term's descendants           Sort by:

Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19876
    chemical entity 19905
      atom 19905
        nonmetal atom 19810
          silicon atom 5745
            silicon-31 atom 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19876
    subatomic particle 19874
      composite particle 19874
        hadron 19874
          baryon 19874
            nucleon 19874
              atomic nucleus 19905
                atom 19905
                  main group element atom 19821
                    p-block element atom 19821
                      carbon group element atom 19768
                        silicon atom 5745
                          silicon-31 atom 0
paths to the root