Date published: 2025-10-17

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Clinafloxacin (CAS 105956-97-6)

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Alternate Names:
7-(3-Amino-1-pyrrolidinyl)-8-chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid
Application:
Clinafloxacin is a fluoroquinolone that inhibits both DNA gyrase and topoisomerase IV
CAS Number:
105956-97-6
Purity:
≥95%
Molecular Weight:
365.8
Molecular Formula:
C17H17ClFN3O3
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Clinafloxacin, a member of the fluoroquinolone class of antibiotics, operates through a distinct mechanism of action that targets bacterial DNA. It functions by inhibiting two critical enzymes, DNA gyrase and topoisomerase IV, which are essential for bacterial DNA replication, transcription, and repair processes. By binding to these enzymes, clinafloxacin introduces a blockade in the normal bacterial lifecycle, effectively hindering the proliferation of bacteria. This action is particularly significant in the realm of bacterial genetics and antimicrobial research, where understanding the dynamics of bacterial resistance and the development of novel antimicrobial strategies are of paramount importance. Clinafloxacin′s potency and broad-spectrum activity against a variety of bacterial strains make it useful in the study of bacterial infections, contributing to the advancement of knowledge in microbial pathogenesis and the exploration of innovative approaches to combat bacterial resistance mechanisms. Its role extends beyond mere inhibition, serving as a key compound for comparative studies in the efficacy and mechanism of action of fluoroquinolones, thus enriching the scientific dialogue on antibiotic stewardship and the evolution of antimicrobial compounds.


Clinafloxacin (CAS 105956-97-6) References

  1. Streptococcus pneumoniae DNA gyrase and topoisomerase IV: overexpression, purification, and differential inhibition by fluoroquinolones.  |  Pan, XS. and Fisher, LM. 1999. Antimicrob Agents Chemother. 43: 1129-36. PMID: 10223925
  2. Comparative therapeutic efficacy of clinafloxacin in a pneumococcal meningitis mouse model.  |  Shapiro, MA., et al. 2000. J Antimicrob Chemother. 45: 489-92. PMID: 10747826
  3. Characterization of clinafloxacin photodegradation products by LC-MS/MS and NMR.  |  Lovdahl, MJ. and Priebe, SR. 2000. J Pharm Biomed Anal. 23: 521-34. PMID: 10933546
  4. In vitro selection of resistance to clinafloxacin, ciprofloxacin, and trovafloxacin in Streptococcus pneumoniae.  |  Nagai, K., et al. 2000. Antimicrob Agents Chemother. 44: 2740-6. PMID: 10991854
  5. Activities of clinafloxacin, gatifloxacin, gemifloxacin, and trovafloxacin against recent clinical isolates of levofloxacin-resistant Streptococcus pneumoniae.  |  Jorgensen, JH., et al. 2000. Antimicrob Agents Chemother. 44: 2962-8. PMID: 11036007
  6. Efficacy of moxifloxacin, trovafloxacin, clinafloxacin and levofloxacin against intracellular Legionella pneumophila.  |  Jonas, D., et al. 2001. J Antimicrob Chemother. 47: 147-52. PMID: 11157897
  7. Comparative bactericidal activities of ciprofloxacin, clinafloxacin, grepafloxacin, levofloxacin, moxifloxacin, and trovafloxacin against Streptococcus pneumoniae in a dynamic in vitro model.  |  Klepser, ME., et al. 2001. Antimicrob Agents Chemother. 45: 673-8. PMID: 11181341
  8. Fluoroquinolones inhibit preferentially Streptococcus pneumoniae DNA topoisomerase IV than DNA gyrase native proteins.  |  Fernandez-Moreira, E., et al. 2000. Microb Drug Resist. 6: 259-67. PMID: 11272253
  9. Activity of clinafloxacin, compared with six other quinolones, against Acinetobacter baumannii clinical isolates.  |  Vila, J., et al. 2002. J Antimicrob Chemother. 49: 471-7. PMID: 11864947
  10. Experimental study of clinafloxacin alone and in combination in the treatment of ciprofloxacin-susceptible and -resistant pneumococcal meningitis.  |  Domenech, A., et al. 2003. Microb Drug Resist. 9 Suppl 1: S53-9. PMID: 14633368
  11. Effects of moxifloxacin and clinafloxacin on murine limb buds cultured in regular and in magnesium-deficient medium.  |  Bode, K., et al. 2010. Arch Toxicol. 84: 221-6. PMID: 19949773
  12. In vitro activity and rodent efficacy of clinafloxacin for bovine and swine respiratory disease.  |  Sweeney, MT., et al. 2013. Front Microbiol. 4: 154. PMID: 23785362
  13. Heterologous strategy enhancing the sensitivity of the fluorescence polarization immunoassay of clinafloxacin in goat milk.  |  Chen, J., et al. 2016. J Sci Food Agric. 96: 1341-6. PMID: 25914021
  14. Ciprofloxacin and Clinafloxacin Antibodies for an Immunoassay of Quinolones: Quantitative Structure⁻Activity Analysis of Cross-Reactivities.  |  Buglak, AA., et al. 2019. Int J Mol Sci. 20: PMID: 30641870
  15. DNA gyrase and topoisomerase IV are dual targets of clinafloxacin action in Streptococcus pneumoniae.  |  Pan, XS. and Fisher, LM. 1998. Antimicrob Agents Chemother. 42: 2810-6. PMID: 9797208

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Clinafloxacin, 250 mg

sc-202107
250 mg
$400.00