Sitafloxacin hydrochloride  (Synonyms: DU6859a hydrochloride)

Sitafloxacin (DU6859a) hydrochloride is a potent, orally active fluoroquinolone antibiotic. Sitafloxacin hydrochloride shows antichlamydial activity and antibacterial activities against a broad range of gram-positive and gram-negative bacteria, including anaerobic bacteria, as well as against atypical pathogens. Sitafloxacin hydrochloride can be used for the research of respiratory tract infection and urinary tract infection^[1][2].

Sitafloxacin (DU6859a) hydrochloride shows antibacterial activities with MIC of 0.03, 0.12, 0.06 mg/L for wild-type ATCC 49619, gyrA mutant SP39, parC mutant 1026523 streptococcus pneumoniae stran, respectively^[1].
Sitafloxacin (DU6859a) hydrochloride shows antibacterial activities for quinolone-susceptible strains of streptococcus pneumoniae with MIC of 0.03, 0.03 mg/L for EG 00093 and EG 00218 strain, respectively^[1].
Sitafloxacin (DU6859a) hydrochloride shows inhibition for DNA gyrase and topoisomerase IV (TopoIV) with >IC₅₀s of 4.38, 3.12 mg/L, respectively^[1].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

Sitafloxacin (DU6859a; 12.5-100 mg/kg; i.g.; daily for 4 weeks; BALB/c female mice) hydrochloride has antibacterial activity. M. ulcerans cells could be isolated from the inoculated footpads and there was no evidence of footpad swelling^[2].

MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.

446.28

C₁₉H₁₉Cl₂F₂N₃O₃

346607-37-2

O=C(C1=CN([C@H]2[C@@H](F)C2)C3=C(C=C(F)C(N(C[C@H]4N)CC54CC5)=C3Cl)C1=O)O.Cl

Room temperature in continental US; may vary elsewhere.

Please store the product under the recommended conditions in the Certificate of Analysis.

• [1]. Okumura R, et al. Dual-targeting properties of the 3-aminopyrrolidyl quinolones, DC-159a and sitafloxacin, against DNA gyrase and topoisomerase IV: contribution to reducing in vitro emergence of quinolone-resistant Streptococcus pneumoniae. J Antimicrob Chemother. 2008 Jul;62(1):98-104.  [Content Brief]

  [2]. Dhople AM, et al. Activities of sitafloxacin (DU-6859a), either singly or in combination with rifampin, against Mycobacterium ulcerans infection in mice. J Chemother. 2003 Feb;15(1):47-52.  [Content Brief]