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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:81377 term browser browse the term
Definition:A sesquiterpenoid that is 4,4a,5,6,7,8-hexahydronaphthalen-2(3H)-one which is substituted by methyl groups at positions 4 and 4a, and by an isopropenyl group at position 6 (the 4R,4aS,6R stereoisomer).
Synonyms:exact_synonym: (4R,4aS,6R)-4,4a-dimethyl-6-(prop-1-en-2-yl)-4,4a,5,6,7,8-hexahydronaphthalen-2(3H)-one
 related_synonym: Formula=C15H22O;   InChI=1S/C15H22O/c1-10(2)12-5-6-13-8-14(16)7-11(3)15(13,4)9-12/h8,11-12H,1,5-7,9H2,2-4H3/t11-,12-,15+/m1/s1;   InChIKey=WTOYNNBCKUYIKC-JMSVASOKSA-N;   SMILES=[C@@]12(C(CC[C@H](C1)C(C)=C)=CC(C[C@H]2C)=O)C
 xref: CAS:4674-50-4;   HMDB:HMDB0013687;   KEGG:C17914;   KNApSAcK:C00016987
 xref_mesh: MESH:C050302
 xref: PMID:11441443;   PMID:15962787;   PMID:16272746;   PMID:19333595;   PMID:19630428;   PMID:21354294;   PMID:22238870;   PMID:22308777;   PMID:23025184;   PMID:24704449;   PMID:24747046;   PMID:24938835;   PMID:25189516;   PMID:25326849;   Patent:US2012045806;   Wikipedia:Nootkatone

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  CHEBI ontology 19800
    role 19751
      application 19498
        fragrance 901
          (+)-nootkatone 0
Path 2
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  CHEBI ontology 19800
    subatomic particle 19799
      composite particle 19799
        hadron 19799
          baryon 19799
            nucleon 19799
              atomic nucleus 19799
                atom 19799
                  main group element atom 19698
                    p-block element atom 19698
                      carbon group element atom 19619
                        carbon atom 19609
                          organic molecular entity 19609
                            organic group 18718
                              organic divalent group 18702
                                organodiyl group 18702
                                  carbonyl group 18651
                                    carbonyl compound 18651
                                      ketone 16957
                                        alpha,beta-unsaturated ketone 9917
                                          enone 9917
                                            (+)-nootkatone 0
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