Description

Sparfloxacin CAS NO 111542-93-9 is a synthetic broad-spectrum fluoroquinolone antibiotic known for its potent activity against Gram-positive and Gram-negative bacteria. It is a critical active pharmaceutical ingredient (API) valued for its efficacy in treating serious respiratory and other systemic infections. This compound is essential for pharmaceutical manufacturers and research institutions developing advanced antibacterial formulations and conducting microbiological studies.

Application

• Pharmaceutical API: Primary use as the active ingredient in the formulation of antibacterial tablets, capsules, and injectables.
• Respiratory Infection Treatment: Key component in medications targeting community-acquired pneumonia, acute bacterial exacerbations of chronic bronchitis, and sinusitis.
• Veterinary Medicine: Used in the development of antibacterial treatments for livestock and companion animals.
• Microbiological Research: Serves as a reference standard and tool in antimicrobial susceptibility testing and mechanism of action studies.
• Drug Discovery & Development: Used as a lead compound or intermediate in the synthesis of novel quinolone derivatives.

Basic Information

Item	Detail
Product Name	Sparfloxacin
CAS No.	111542-93-9
Molecular Formula	C19H22F2N4O3
Molecular Weight	392.40 g/mol
Synonyms	(±)-Sparfloxacin; AT-4140; CI-978; PD 131501; Zagam; 5-Amino-1-cyclopropyl-7-(3,5-dimethyl-1-piperazinyl)-6,8-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid; 1-Cyclopropyl-6,8-difluoro-1,4-dihydro-7-(3,5-dimethyl-1-piperazinyl)-4-oxoquinoline-3-carboxylic acid
EINECS	Contact for details

Quality Control

Our Sparfloxacin is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, identification by IR and UV, and stringent control of related substances and residual solvents. We provide full traceability and Certificates of Analysis (COA) are available for all shipments to ensure compliance with your specifications and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to protect from moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Conforms to reference retention time
Assay (HPLC)	98.0% - 102.0% (on anhydrous basis)
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any individual impurity ≤ 0.5%
Heavy Metals	≤ 20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.