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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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  CHEBI ontology 225
    role 225
      biological role 225
        biochemical role 186
          metabolite 179
            acrylic acid 0
              4-Methyl-3-penten-2-one, 9CI 0
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  CHEBI ontology 225
    subatomic particle 225
      composite particle 225
        hadron 225
          baryon 225
            nucleon 225
              atomic nucleus 225
                atom 225
                  main group element atom 218
                    p-block element atom 218
                      carbon group element atom 207
                        carbon atom 206
                          organic molecular entity 206
                            organic group 154
                              organic divalent group 153
                                organodiyl group 153
                                  carbonyl group 153
                                    carbonyl compound 153
                                      carboxylic acid 114
                                        monocarboxylic acid 88
                                          alpha,beta-unsaturated monocarboxylic acid 7
                                            acrylic acid 0
                                              4-Methyl-3-penten-2-one, 9CI 0
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