Catalog Number: 2192
Chemical Name: 4-(1H)-Quinazolinone
Biological Activity
Inhibitor of poly(ADP-ribose) polymerase (PARP) (IC50 = 9.5 μM); displays mixed inhibition with respect to NAD+. Protective against ischemia-reperfusion induced ROS production, and subsequent mitochondrial and cell damage in rat heart. Anti-inflammatory in LPS-induced endotoxic mice in vivo; decreases NF-κB and AP-1 activation.
Technical Data
  • M.Wt:
    146.15
  • Formula:
    C8H6N2O
  • Solubility:
    Soluble to 10 mM in water and to 100 mM in DMSO
  • Purity:
    >99%
  • Storage:
    Desiccate at RT
  • CAS No:
    491-36-1
The technical data provided above is for guidance only. For batch specific data refer to the Certificate of Analysis. All Tocris products are intended for laboratory research use only.
Background References
  1. Specific inhibitors of poly(ADP-ribose) synthetase and mono(ADP-ribosyl)transferase.
    Banasik et al.
    J.Biol.Chem., 1992;267:1569
  2. Effect of poly(ADP-ribose) polymerase inhibitors on the ischemia-reperfusion-induced oxidative cell damage and mitochondrial metabolism in Langendorff heart perfusion system.
    Halmosi et al.
    Mol.Pharmacol., 2001;59:1497
  3. Regulation of kinase cascades and transcription factors by a poly(ADP-ribose) polymerase-1 inhibitor, 4-hydroxyquinazoline, in lipopolysaccharide-induced inflammation in mice.
    Veres et al.
    J.Pharmacol.Exp.Ther., 2004;310:247

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