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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:132974 term browser browse the term
Definition:A pyrazolone that is 5-methyl-4-methylene-2-(p-carboxyphenyl)-2,4-dihydro-3H-pyrazol-3-one in which the exocyclic carbon of the methylene group is attached to a 5-(4,5-dimethyl-2-nitrophenyl)furan-2-yl group by a single bond. C646 is a potent, cell permeable and selective competitive inhibitor of p300 and CBP (p300/CBP) histone acetyltransferases.
Synonyms:exact_synonym: 4-(4-{[5-(4,5-dimethyl-2-nitrophenyl)-2-furyl]methylene}-3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzoic acid
 related_synonym: 4-[4-[[5-(4,5-Dimethyl-2-nitrophenyl)-2-furanyl]methylene]-4,5-dihydro-3-methyl-5-oxo-1H-pyrazol-1-yl]benzoic acid;   Formula=C24H19N3O6;   InChI=1S/C24H19N3O6/c1-13-10-20(21(27(31)32)11-14(13)2)22-9-8-18(33-22)12-19-15(3)25-26(23(19)28)17-6-4-16(5-7-17)24(29)30/h4-12H,1-3H3,(H,29,30);   InChIKey=HEKJYZZSCQBJGB-UHFFFAOYSA-N;   SMILES=C(=C1C(N(N=C1C)C2=CC=C(C(=O)O)C=C2)=O)([H])C=3OC(=CC3)C4=CC(=C(C=C4[N+]([O-])=O)C)C
 alt_id: CHEBI:95029
 xref: CAS:328968-36-1;   LINCS:LSM-6264;   PMID:23390536;   PMID:24746574;   PMID:26045780;   PMID:26711748;   PMID:26718586;   Reaxys:20607912

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C646 term browser
Symbol Object Name Qualifiers Evidence Notes Source PubMed Reference(s) RGD Reference(s) Position
G Mir224 microRNA 224 decreases expression ISO C646 decreased expression of miR244 in a human hepatocellular carcinoma cell line RGD PMID:22459148 RGD:18182922 NCBI chr  X:152,223,754...152,223,835
Ensembl chr  X:152,223,754...152,223,835
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  CHEBI ontology 19761
    role 19711
      biological role 19711
        biochemical role 19301
          apoptosis inducer 11019
            C646 1
Path 2
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  CHEBI ontology 19761
    subatomic particle 19759
      composite particle 19759
        hadron 19759
          baryon 19759
            nucleon 19759
              atomic nucleus 19759
                atom 19759
                  main group element atom 19653
                    p-block element atom 19653
                      carbon group element atom 19569
                        carbon atom 19559
                          organic molecular entity 19559
                            organic molecule 19493
                              organic cyclic compound 19318
                                organic heterocyclic compound 18510
                                  heteroarene 16517
                                    monocyclic heteroarene 13359
                                      azole 12533
                                        diazole 8251
                                          pyrazoles 1555
                                            pyrazolone 77
                                              C646 1
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