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Temafloxacin (hydrochloride) Sale

(Synonyms: 特马沙星(盐酸盐),A-62254) 目录号 : GC10128

A DNA topoisomerase inhibitor

Temafloxacin (hydrochloride) Chemical Structure

Cas No.:105784-61-0

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5mg
¥725.00
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10mg
¥1,134.00
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25mg
¥1,901.00
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Sample solution is provided at 25 µL, 10mM.

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产品描述

MIC90: less than or equal to 0.06 micrograms/mL respiratory pathogens

Temafloxacin is a fluoroquinolone antibiotic.

Fluoroquinolone antibiotic is an organonitrogen heterocyclic antibiotic with a quinolone or quinolone-like moiety and have a fluorine atom attached to the central ring system.

In vitro: The in-vitro activities of temafloxacin, ciprofloxacin, and ofloxacin against gram-negative bacteria were compared. The 90% minimal inhibitory concentrations (MIC90s) of temafloxacin for respiratory pathogens were less than or equal to 0.06 micrograms/mL. Temafloxacin was also active against bacterial agents of sexually transmitted diseases, such as Neisseria gonorrhoeae and Chlamydia trachomatis [1].

In vivo: Mixed aerobic-anaerobic infection was induced by i.p. implantation of gelatin capsules containing Bacteroides fragilis, Escherichia coli, and sterile rat faeces. Temafloxacin was found to be highly active with a 90.9% cure rate in comparison with no treatment, and as active as a combination of clindamycin and gentamicin. Temafloxacin at 12 mg/dose resulted in rise to serum concentrations exceeding the MIC values of both microorganisms for at least 8 h [2].

Clinical trial: Clinical studies showed that temafloxacin has improved activity against pneumococci. Eradication rates in acute exacerbations of chronic bronchitis collated from individual studies are 98% overall and 100% in pneumococcal infections. Moreover, eradication rates in smokers and the elderly illustrate significant advantages for temafloxacin. In pneumonia, a twice-daily temafloxacin regimen has given equivalent overall results to those of amoxycillin (84.6% vs 80%) [3].

References:
[1] Hardy DJ.  In vitro activity of temafloxacin against gram-negative bacteria: an overview. Am J Med. 1991 Dec 30;91(6A):19S-23S.
[2] Thadepalli H, Hajji M, Perumal VK, Chuah SK, Gollapudi S.  Evaluation of temafloxacin in a rat model of intra-abdominal abscess. J Antimicrob Chemother. 1992 Jun;29(6):687-92.
[3] Ball P. The role of temafloxacin in the community setting: an overview. J Antimicrob Chemother. 1991 Dec;28 Suppl C:121-30.

Chemical Properties

Cas No. 105784-61-0 SDF
别名 特马沙星(盐酸盐),A-62254
化学名 1-(2,4-difluorophenyl)-6-fluoro-1,4-dihydro-7-(3-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic acid, monohydrochloride
Canonical SMILES CC1CN(C2=C(F)C=C(C(C(C(O)=O)=CN3C4=CC=C(F)C=C4F)=O)C3=C2)CCN1.Cl
分子式 C21H18F3N3O3 • HCl 分子量 453.8
溶解度 ≤2mg/ml in DMSO;5mg/ml in dimethyl formamide 储存条件 Store at -20°C
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储备液的保存方式和期限:-80°C 储存时,请在 6 个月内使用,-20°C 储存时,请在 1 个月内使用。
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溶解性数据

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1 mg 5 mg 10 mg
1 mM 2.2036 mL 11.0181 mL 22.0361 mL
5 mM 0.4407 mL 2.2036 mL 4.4072 mL
10 mM 0.2204 mL 1.1018 mL 2.2036 mL
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