Description

3-Quinolinecarboxylic Acid, 1-Cyclopropyl-7-(4-Ethyl-1-Piperazinyl)-6-Fluoro-1,4-Dihydro-4-Oxo-, (3-Methoxyphenyl)Methyl Ester is a high-purity, advanced pharmaceutical intermediate of significant commercial and research interest. This compound is valued for its role as a key synthetic precursor in the development of novel active pharmaceutical ingredients (APIs), particularly within the fluoroquinolone antibiotic class. It is essential for R&D chemists, process development scientists, and manufacturers in the pharmaceutical and fine chemical industries seeking reliable, high-quality building blocks for complex synthesis.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of next-generation fluoroquinolone antibacterial agents.
• Active Pharmaceutical Ingredient (API) Research: Serves as a core scaffold for the discovery and development of new antibiotic candidates targeting resistant bacterial strains.
• Process Chemistry & Scale-Up: Used in process optimization and pilot-scale manufacturing of complex drug molecules.
• Chemical Reference Standard: Employed as a high-purity standard for analytical method development, validation, and quality control in pharmaceutical laboratories.
• Academic & Contract Research: Facilitates medicinal chemistry research and structure-activity relationship (SAR) studies in academic institutions and CROs.
• Fine Chemical Synthesis: Utilized in the multi-step synthesis of specialized, high-value organic compounds.

Basic Information

Item	Details
Product Name	3-Quinolinecarboxylic Acid, 1-Cyclopropyl-7-(4-Ethyl-1-Piperazinyl)-6-Fluoro-1,4-Dihydro-4-Oxo-, (3-Methoxyphenyl)Methyl Ester
CAS No.	1242011-03-5
Molecular Formula	C27H30FN3O4
Molecular Weight	479.55 g/mol
Synonyms	1-Cyclopropyl-7-(4-ethylpiperazin-1-yl)-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (3-methoxyphenyl)methyl ester; (3-Methoxyphenyl)methyl 1-cyclopropyl-7-(4-ethylpiperazin-1-yl)-6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxylate; Garenoxacin Intermediate; Garenoxacin Ester Derivative; 1-Cyclopropyl-6-fluoro-1,4-dihydro-7-(4-ethyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic Acid (3-Methoxyphenyl)Methyl Ester
EINECS	Contact for details

Quality Control

Our 3-Quinolinecarboxylic Acid, 1-Cyclopropyl-7-(4-Ethyl-1-Piperazinyl)-6-Fluoro-1,4-Dihydro-4-Oxo-, (3-Methoxyphenyl)Methyl Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality attributes. Our production adheres to cGMP guidelines where applicable, ensuring suitability for use in pharmaceutical development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive); the container must be kept tightly sealed in a dry environment to prevent degradation. For long-term storage, consider using desiccants.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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