Lomefloxacin hydrochloride
Based on 1 Customer Validation
Lomefloxacin hydrochloride (NY-198 hydrochloride) is an orally active difluoroquinolone antibiotic. Lomefloxacin hydrochloride prevents DNA supercoiling and replication by inhibiting bacterial topoisomerase II. Lomefloxacin hydrochloride induces ROS production and Apoptosis. Lomefloxacin hydrochloride has broad-spectrum bactericidal activity against Gram-positive and Gram-negative bacteria. Lomefloxacin hydrochloride has anticancer effects against melanoma. Lomefloxacin hydrochloride can be used in the study of systemic bacterial infections (such as Salmonella typhimurium infections), skin and melanoma .
For research use only. We do not sell to patients.
- Purity: 99.97%
- CAS No.: 98079-52-8
- Formula: C17H20ClF2N3O3
- Molecular Weight:387.81
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Storage:
4°C, sealed storage, away from moisture and light
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)
To place orders, for customer services and technical support, please contact: MedChemExpress USA
Tel: 609-228-6898 E-mail: [email protected] [email protected]
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Biological Activity
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Chemical Information
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Solvent & Solubility
- Purity & Documentation
- References
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Help & FAQs
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Biological Activity
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Quinolone |
Lomefloxacin (1/4 to 2×MIC concentrations) hydrochloride rapidly reduces viable cell counts of Staphylococcus aureus, Escherichia coli, and Pseudomonas aeruginosa, with no regrowth observed in all strains except P. aeruginosa[1].
Lomefloxacin hydrochloride exhibits MIC values ranging from 0.06-4 μg/mL in susceptibility determination experiments with strains such as Escherichia coli and Staphylococcus aureus[2].
Lomefloxacin (0.1-1.0 mM; 24-72 h) hydrochloride decreases viability of COLO829 cells and induces ROS production in COLO829 cells[3].
Lomefloxacin (50-100 μM) hydrochloride induces apoptosis in keratinocyte[4].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
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Cell Line:COLO829 melanoma cells
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Concentration:0.0001, 0.001, 0.01, 0.05, 0.1, 0.5, 1.0 mM
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Incubation Time:24, 48, 72 h
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Result:Decreased cell viability by 12-68% at 0.1-1.0 mM for 24 h, with IC50 values of 0.51, 0.33, and 0.25 mM at 24, 48, 72 h, respectively.
Lomefloxacin (-80 mg/kg; orogastric administration) hydrochloride reduces mortality, significantly decreases splenic bacterial counts, and inhibits inflammatory response in mice infected with Salmonella typhimurium[5].
Lomefloxacin (16-32 mg/kg; i.p.; 5 days) hydrochloride only at the highest dose slightly reduces the number of implants and live fetuses in the third week of mating in mice, without significant dominant lethal mutation induction[6].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 98079-52-8
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Appearance Solid
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Molecular Weight 387.81
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Formula C17H20ClF2N3O3
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Color White to off-white
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SMILES
CCN(C=C(C(O)=O)C1=O)C(C1=CC(F)=C2N(CCN3)CC3C)=C2F.Cl
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Synonyms
SC47111A hydrochloride; NY-198 hydrochloride
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
4°C, sealed storage, away from moisture and light
* In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light)
Solvent & Solubility
H2O : 7.14 mg/mL (18.41 mM; ultrasonic and warming and heat to 60°C)
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Purity & Documentation
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Data Sheet (276 KB)
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SDS (393 KB)
- English - EN (393 KB)
- Français - FR (393 KB)
- Deutsch - DE (393 KB)
- Norwegian - NO (393 KB)
- Español - ES (393 KB)
- Swedish - SV (393 KB)
- Italian - IT (393 KB)
- Korean - KR (393 KB)
- Portuguese - PT (393 KB)
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Handling Instructions (2659 KB)
References
[1]. Hirose T, et al. In vitro and in vivo activity of NY-198, a new difluorinated quinolone. Antimicrob Agents Chemother. 1987 Jun;31(6):854-9. [Content Brief]
[2]. Piddock LJ, et al. Mechanism of action of lomefloxacin. Antimicrob Agents Chemother. 1990 Jun;34(6):1088-93. [Content Brief]
[3]. Beberok A, et al. Lomefloxacin Induces Oxidative Stress and Apoptosis in COLO829 Melanoma Cells. Int J Mol Sci. 2017 Oct 20;18(10):2194. [Content Brief]
[4]. Marrot L, et al. Molecular responses to photogenotoxic stress induced by the antibiotic lomefloxacin in human skin cells: from DNA damage to apoptosis. J Invest Dermatol. 2003 Sep;121(3):596-606. [Content Brief]
[5]. Butler T, et al. Treatment of experimental Salmonella typhimurium infection in mice with lomefloxacin. J Antimicrob Chemother. 1990 Apr;25(4):629-34. [Content Brief]
[6]. Singh AC, et al. Genotoxicity of lomefloxacin--an antibacterial drug in somatic and germ cells of Swiss albino mice in vivo. Mutat Res. 2003 Feb 5;535(1):35-42. [Content Brief]
Complete Stock Solution Preparation Table
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture and light). When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| H2O | 1 mM | 2.5786 mL | 12.8929 mL | 25.7858 mL | 64.4646 mL |
| 5 mM | 0.5157 mL | 2.5786 mL | 5.1572 mL | 12.8929 mL | |
| 10 mM | 0.2579 mL | 1.2893 mL | 2.5786 mL | 6.4465 mL | |
| 15 mM | 0.1719 mL | 0.8595 mL | 1.7191 mL | 4.2976 mL |
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
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