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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
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  CHEBI ontology 20072
    chemical entity 20071
      molecular entity 20071
        isotopically modified compound 1
          ((18)O)water 0
Path 2
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  CHEBI ontology 20072
    subatomic particle 20071
      composite particle 20071
        hadron 20071
          baryon 20071
            nucleon 20071
              atomic nucleus 20071
                atom 20071
                  main group element atom 19974
                    main group molecular entity 19974
                      s-block molecular entity 19774
                        hydrogen molecular entity 19766
                          hydrides 19135
                            inorganic hydride 17930
                              chalcogen hydride 2554
                                oxygen hydride 777
                                  water 716
                                    ((18)O)water 0
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