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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.

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Accession:CHEBI:46941 term browser browse the term
Definition:A saturated organic heteromonocyclic parent that is cyclohexane in which one of the carbon atoms has been replaced by an oxygen atom.
Synonyms:related_synonym: 2H-tetrahydropyran;   Formula=C5H10O;   InChI=1S/C5H10O/c1-2-4-6-5-3-1/h1-5H2;   InChIKey=DHXVGJBLRPWPCS-UHFFFAOYSA-N;   Oxacyclohexane;   Pentamethylene oxide;   SMILES=C1CCOCC1;   THP;   Tetrahydro-2H-pyran;   Tetrahydropyran
 alt_id: CHEBI:45243
 xref: Beilstein:102436;   CAS:142-68-7;   PDBeChem:PYE;   PMID:24311470;   Reaxys:102436;   Wikipedia:Tetrahydropyran

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Term Annotations click to browse term
  CHEBI ontology 19883
    chemical entity 19883
      atom 19881
        nonmetal atom 19760
          oxygen atom 19425
            oxygen molecular entity 19425
              organooxygen compound 18886
                oxacycle 17299
                  oxanes 199
                    oxane 0
                      5-valerolactone + 0
                      auricin 0
Path 2
Term Annotations click to browse term
  CHEBI ontology 19883
    subatomic particle 19881
      composite particle 19881
        hadron 19881
          baryon 19881
            nucleon 19881
              atomic nucleus 19881
                atom 19881
                  main group element atom 19771
                    p-block element atom 19771
                      carbon group element atom 19679
                        carbon atom 19668
                          organic molecular entity 19668
                            organic molecule 19596
                              organic cyclic compound 19407
                                organic heterocyclic compound 18517
                                  organic heteromonocyclic compound 16622
                                    saturated organic heteromonocyclic parent 5816
                                      oxane 0
                                        5-valerolactone + 0
                                        auricin 0
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