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Specifications
| Grade | EP11.0 |
| Appearance | Light yellow, crystalline powder |
| Assay (2.2.20) | 99.0% to 101.0% (dried substance) |
| Solubility | Slightly soluble in water, sparingly soluble or slightly soluble in methylene chloride, very slightly soluble in ethanol (96%) |
| Identification (IR 2.2.24) | Conforms to the marbofloxacin CRS |
| Absorbance (2.2.25) | Maximum 0.20, determined at 450nm |
| Related substances (2.2.29) | Impurity E: 0.20% max Unspecified impurity: 0.20% max Total impurities: 0.5% max |
| Heavy metals (2.4.8) | Maximum 20 ppm |
| Loss on drying (2.2.32) | Maximum 0.5% |
| Sulfated ash (2.4.14) | Maximum 0.1% |
| Residual solvents | Ethanol: 5000 ppm max |
Applications
Marbofloxacin is primarily used as a veterinary antibiotic for the treatment and prevention of bacterial infections in companion animals, livestock, and pets. It belongs to the fluoroquinolone class and is effective against a broad spectrum of Gram-negative and some Gram-positive bacteria. The compound is applied in oral, injectable, and feed formulations to treat infections of the respiratory tract, urinary tract, skin, and soft tissues. In research and development, Marbofloxacin is used to study antimicrobial mechanisms, resistance patterns, pharmacokinetics, and the efficacy of fluoroquinolone derivatives. It also serves as a reference compound in laboratory assays assessing bacterial susceptibility and in developing combination therapies for veterinary medicine.
Benefits
Marbofloxacin offers several advantages due to its potent antibacterial activity and favorable pharmacological properties. It effectively inhibits bacterial DNA gyrase and topoisomerase IV, preventing replication and promoting bactericidal effects, even against resistant strains. The compound has good oral bioavailability, systemic distribution, and tissue penetration, enabling effective treatment of diverse infections. Its stability and predictable pharmacokinetics allow accurate dosing in veterinary applications, ensuring consistent therapeutic outcomes. Additionally, its broad-spectrum activity reduces the need for multiple antibiotics, simplifying treatment regimens and improving animal health management. These features make Marbofloxacin a reliable and practical antibiotic in veterinary practice.
Conclusion
Marbofloxacin is a widely used veterinary fluoroquinolone antibiotic with applications in treating bacterial infections in animals. Its efficacy against a broad spectrum of pathogens, combined with benefits such as good bioavailability, tissue penetration, and predictable pharmacokinetics, make it an essential compound in veterinary therapeutics. The compound continues to support effective infection management and research on antimicrobial resistance and fluoroquinolone-based therapies.
