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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.

Term:4-Methyl-3-penten-2-one, 9CI
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Accession:CHEBI:89993 term browser browse the term
Definition:An olefinic compound that has formula C6H10O.
Synonyms:related_synonym: (CH3)2C=CHC(=O)CH3;   1-Methylpent-2-en-4-one;   2-Methyl-2-penten-4-one;   2-Methyl-2-pentenone-4;   2-Methyl-4-oxo-2-pentene;   3-Isohexen-2-one;   3-PENTEN,2-ONE,4-METHYL MESITYLOXIDE;   4-Methyl-3-Penten-2-one;   4-Methyl-3-penten-2-on;   4-Methyl-3-penten-2-one (mesityl oxide);   4-Methyl-3-pentene-2-one;   4-Methylpent-3-en-2-one;   4-Metil-3-penten-2-one;   FEMA 3368;   Formula=C6H10O;   InChI=1S/C6H10O/c1-5(2)4-6(3)7/h4H,1-3H3;   InChIKey=SHOJXDKTYKFBRD-UHFFFAOYSA-N;   Isobutenyl methyl ketone;   Isopropylidene-Acetone;   Isopropylideneacetone;   Mesityl oxide;   Mesityl oxide [UN1229] [Flammable liquid];   Mesityloxid;   Mesityloxid(german);   Mesityloxyde;   Methyl 2,2-dimethylvinyl ketone;   Methyl 2-methyl-1-propenyl ketone;   Ossido di mesitile;   Oxyde de mesityle;   SMILES=CC(C)=CC(C)=O
 xref: CAS:141-79-7;   HMDB:HMDB0031563;   PMID:17314143;   PMID:24657864

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Term Annotations click to browse term
  CHEBI ontology 862
    role 840
      biological role 840
        biochemical role 713
          metabolite 700
            acrylic acid 6
              4-Methyl-3-penten-2-one, 9CI 0
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  CHEBI ontology 862
    subatomic particle 847
      composite particle 847
        hadron 847
          baryon 847
            nucleon 847
              atomic nucleus 847
                atom 847
                  main group element atom 835
                    p-block element atom 832
                      carbon group element atom 805
                        carbon atom 804
                          organic molecular entity 804
                            organic group 375
                              organic divalent group 373
                                organodiyl group 373
                                  carbonyl group 372
                                    carbonyl compound 372
                                      carboxylic acid 252
                                        monocarboxylic acid 133
                                          alpha,beta-unsaturated monocarboxylic acid 15
                                            acrylic acid 6
                                              4-Methyl-3-penten-2-one, 9CI 0
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