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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:89945 term browser browse the term
Definition:An olefinic compound that has formula C5H8O.
Synonyms:related_synonym: 1-Penten-3-one (ethyl vinyl ketone);   1-Pentene-3-one;   C2H5COCH=CH2;   Ethyl vinyl ketone;   Ethylvinyl ketone;   Ethylvinylketone;   FEMA 3382;   Formula=C5H8O;   InChI=1S/C5H8O/c1-3-5(6)4-2/h3H,1,4H2,2H3;   InChIKey=JLIDVCMBCGBIEY-UHFFFAOYSA-N;   Pent-1-en-3-one;   Penten-3-one;   Pentenone;   Propionylethylene;   SMILES=C=CC(CC)=O
 xref: CAS:1629-58-9;   HMDB:HMDB0031607;   KNApSAcK:C00035785
 xref_mesh: MESH:C057461
 xref: PMID:21386183;   PMID:24421258

show annotations for term's descendants           Sort by:
1-Penten-3-one term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Ptgr1 prostaglandin reductase 1 multiple interactions EXP [PTGR1 protein co-treated with NADP] affects the reduction of 1-pentene-3-one CTD PMID:11524419 NCBI chr 5:73,784,000...73,802,624
Ensembl chr 5:73,784,009...73,802,666
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Term paths to the root
Path 1
Term Annotations click to browse term
  CHEBI ontology 19800
    role 19751
      biological role 19751
        biochemical role 19368
          metabolite 19344
            acrylic acid 5905
              1-Penten-3-one 1
Path 2
Term Annotations click to browse term
  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
                                      carboxylic acid 18346
                                        monocarboxylic acid 17622
                                          alpha,beta-unsaturated monocarboxylic acid 12218
                                            acrylic acid 5905
                                              1-Penten-3-one 1
paths to the root