Catalog Number: 3863
Alternate Names: CP 99219
Chemical Name: 7-[(1α,5α,6α)-6-Amino-3-azabicyclo[3.1.0]hex-3-yl]-1-(2,4-difluorophenyl)-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid mesylate
Biological Activity
Fluoroquinolone antibiotic. Inhibits bacterial DNA topoisomerase IV and DNA gyrase and forms a stable quinolone-DNA complex with these enzymes which reversibly inhibits DNA synthesis. Displays potent activity against gram-positive and gram-negative bacteria. Increases the production of mitochondrial NO in immortalized hepatocytes; also increases mitochondrial Ca2+. Inhibits Panx-1 (IC50 ~ 4μM).
Technical Data
  • M.Wt:
    512.46
  • Formula:
    C20H15F3N4O3.CH3SO3H
  • Solubility:
    Soluble to 50 mM in water and to 100 mM in DMSO
  • Purity:
    >99%
  • Storage:
    Desiccate at RT
  • CAS No:
    147059-75-4
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.
Additional Information
Licensing Caveats:
Sold for research purposes under agreement from Pfizer Inc.
Background References
  1. Unexpected link between an antibiotic, pannexin channels and apoptosis.
    Poon et al.
    Nature, 2014;507:329
  2. In vitro activity of the new fluoroquinolone CP-99,219.
    Neu and Chin
    Antimicrob.Agents Chemother., 1994;38:2615
  3. Activity of the new fluoroquinolone trovafloxacin (CP-99,219) against DNA gyrase and topoisomerase IV mutants of Streptococcus pneumoniae selected in vitro.
    Gootz et al.
    Antimicrob.Agents Chemother., 1996;40:2691

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