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Key Documents

Altri documenti

SML2744

Sigma-Aldrich

Sitafloxacin sesquihydrate

≥98% (HPLC)

Sinonimo/i:

7-[(7S)-7-Amino-5-azaspiro[2.4]hept-5-yl]-8-chloro-6-fluoro-1-[(1R,2S)-2-fluorocyclopropyl]-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid, hydrate (2:3), DU 6859 sesquihydrate, DU 6859a sesquihydrate, DU-6859 sesquihydrate, DU-6859a sesquihydrate, DU6859 sesquihydrate, DU6859a sesquihydrate

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About This Item

Formula empirica (notazione di Hill):
C19H18ClF2N3O3·1.5H2O
Numero CAS:
163253-35-8
Peso molecolare:
436.84
Numero MDL:
MFCD00903720
Codice UNSPSC:
12352200
NACRES:
NA.77

Livello qualitativo

100

Saggio

≥98% (HPLC)

Forma fisica

powder

Condizioni di stoccaggio

desiccated

Colore

white to beige

Solubilità

DMSO: 2 mg/mL, clear

Temperatura di conservazione

−20°C

InChI

1S/C19H18ClF2N3O3.H2O/c20-14-15-8(17(26)9(18(27)28)5-25(15)12-4-10(12)21)3-11(22)16(14)24-6-13(23)19(7-24)1-2-19;/h3,5,10,12-13H,1-2,4,6-7,23H2,(H,27,28);1H2/t10-,12+,13+;/m0./s1
ANCJYRJLOUSQBW-JJZGMWGRSA-N

Azioni biochim/fisiol

Sitafloxacin (DU-6859 or DU-6859a) is an orally active, fourth generation fluoroquinolone that exhibits broad-spectrum antibiotic activity against many Gram-positive, Gram-negative and anaerobic clinical isolates, including strains resistant to other fluoroquinolones, via dual inhibitory activity against bacterial DNA gyrase and topoisomerase IV (IC50 = 1.16 and 1.88 μg/mL against S. pneumoniae gyrA/B and parC/E, respectively). Sitafloxacin is active against methicillin-resistant staphylococci, Streptococcus pneumoniae and other streptococci with reduced susceptibility to levofloxacin and other quinolones and enterococci. Sitafloxacin also exhibits activity against clinical isolates of Klebsiella pneumoniae, Enterobacter cloacae, Pseudomonas aeruginosa as well as some activity against quinolone-resistant strains and Acinetobacter baumannii. Sitafloxacin in vitro activity against anaerobes is comparable to imipenem and metronidazole.

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 3

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Certificati d'analisi (COA)

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Lina Yi et al.
Journal of medical microbiology, 66(6), 770-776 (2017-06-10)
Purpose. Sitafloxacin (SFX) is a new fluoroquinolone (FQ) that has shown a strong bactericidal effect against Mycobacterium tuberculosis (Mtb) in vitro. However, data on SFX efficacy against Mtb with gyrA/B mutations and its epidemiological cut-off (ECOFF) value remain limited. Therefore
Ryoichi Hamasuna et al.
Microbial drug resistance (Larchmont, N.Y.), 24(1), 30-34 (2017-06-06)
Emergence of antimicrobial resistance in Neisseria gonorrhoeae is a major public health concern globally, and new antimicrobials for treatment of gonorrhea are imperative. In this study, the in vitro activity of sitafloxacin, a fluoroquinolone mainly used for respiratory tract or
Y Onodera et al.
The Journal of antimicrobial chemotherapy, 44(4), 533-536 (1999-12-10)
The in-vitro inhibitory activities of sitafloxacin (DU-6859a) and other quinolones against Streptococcus pneumoniae DNA gyrase and topoisomerase IV were measured. IC50s of levofloxacin, ciprofloxacin, sparfloxacin and tosufloxacin against DNA gyrase were almost three to 12 times higher than those against
Xiaomeng Dong et al.
International journal of clinical and experimental medicine, 8(5), 8135-8140 (2015-07-30)
To detect the in vitro activities of sitafloxacin alone and in combination with rifampin, colistin, sulbactam, and tigecycline against extensively drug-resistant Acinetobacter baumannii (XDR-A. baumannii). 24 XDR-A. baumannii strains were isolated from patients' specimens. Broth microdilution assay was used to

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