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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:((18)O)water
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Accession:CHEBI:33813 term browser browse the term
Definition:A form of water consisting of two hydrogen atoms covalently bonded to an oxygen-18 atom.
Synonyms:related_synonym: (18)OH2;   Formula=H2[18O];   H2(18)O;   InChI=1S/H2O/h1H2/i1+2;   InChIKey=XLYOFNOQVPJJNP-NJFSPNSNSA-N;   SMILES=[H][18O][H];   heavy-oxygen water
 xref: CAS:14314-42-2;   Gmelin:130;   PMID:24711961



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Path 1
Term Annotations click to browse term
  CHEBI ontology 19831
    chemical entity 19829
      molecular entity 19829
        isotopically modified compound 7
          ((18)O)water 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19831
    subatomic particle 19829
      composite particle 19829
        hadron 19829
          baryon 19829
            nucleon 19829
              atomic nucleus 19829
                atom 19829
                  main group element atom 19779
                    main group molecular entity 19779
                      s-block molecular entity 19617
                        hydrogen molecular entity 19604
                          hydrides 19102
                            inorganic hydride 18114
                              chalcogen hydride 2572
                                oxygen hydride 800
                                  water 739
                                    ((18)O)water 0
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