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:dioxygen
go back to main search page
Accession:CHEBI:15379 term browser browse the term
Definition:An elemental molecule that has formula O2.
Synonyms:related_synonym: Disauerstoff;   E-948;   E948;   Formula=O2;   InChI=1S/O2/c1-2;   InChIKey=MYMOFIZGZYHOMD-UHFFFAOYSA-N;   O2;   OXYGEN MOLECULE;   Oxygen;   SMILES=O=O;   [OO];   dioxygene;   molecular oxygen
 alt_id: CHEBI:10745;   CHEBI:13416;   CHEBI:23833;   CHEBI:25366;   CHEBI:30491;   CHEBI:44742;   CHEBI:7860
 xref: CAS:7782-44-7;   Gmelin:485;   HMDB:HMDB0001377;   KEGG:C00007;   KEGG:D00003
 xref_mesh: MESH:D010100
 xref: MetaCyc:OXYGEN-MOLECULE;   MolBase:750;   PDBeChem:OXY;   PMID:10906528;   PMID:16977326;   PMID:18210929;   PMID:18638417;   PMID:19840863;   PMID:7710549;   PMID:9463773;   Wikipedia:Oxygen
 cyclic_relationship: is_conjugate_base_of CHEBI:29793



show annotations for term's descendants           Sort by:


Your selection has 4000 annotated objects. The maximum number of objects that can be shown is 2000. The list is too large to display.

  • Select a more specific term using the term browser
  • Download the entire list for this term
  • Display annotations for this term only (exclude descendants)



  • Term paths to the root
    Path 1
    Term Annotations click to browse term
      CHEBI ontology 19841
        role 19817
          chemical role 19451
            oxidising agent 12008
              dioxygen 4000
                singlet dioxygen 0
                triplet dioxygen 0
    Path 2
    Term Annotations click to browse term
      CHEBI ontology 19841
        subatomic particle 19839
          composite particle 19839
            hadron 19839
              baryon 19839
                nucleon 19839
                  atomic nucleus 19839
                    atom 19839
                      main group element atom 19789
                        p-block element atom 19789
                          chalcogen 19545
                            oxygen atom 19520
                              oxygen molecular entity 19520
                                elemental oxygen 9111
                                  diatomic oxygen 4028
                                    dioxygen 4000
                                      singlet dioxygen 0
                                      triplet dioxygen 0
    paths to the root