Description

6,7-Dichloro-1-Cyclopropyl-1,4-Dihydro-4-Oxo-3-Quinolinecarboxylic Acid Ethyl Ester is a high-purity, advanced pharmaceutical intermediate belonging to the quinolone carboxylic acid ester class. This compound is of significant commercial importance as a key building block in the synthesis of novel antimicrobial agents and active pharmaceutical ingredients (APIs). It is primarily sought by research institutions and manufacturers in the pharmaceutical and fine chemical industries for the development of next-generation therapeutics.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel fluoroquinolone and quinolone antibiotic candidates.
• Active Pharmaceutical Ingredient (API) Development: Serves as a core scaffold for research into new antibacterial agents with improved efficacy and spectrum of activity.
• Chemical Synthesis Research: Used in academic and industrial R&D labs for studying structure-activity relationships (SAR) and developing new synthetic methodologies.
• Fine Chemical Production: Employed in the multi-step synthesis of complex, high-value specialty chemicals for various applications.
• Reference Standard: Utilized as an analytical standard in quality control laboratories for method development and impurity profiling.

Basic Information

Product Name	6,7-Dichloro-1-Cyclopropyl-1,4-Dihydro-4-Oxo-3-Quinolinecarboxylic Acid Ethyl Ester
CAS No.	1094412-34-6
Molecular Formula	C15H12Cl2NO3
Molecular Weight	325.17 g/mol
Synonyms	Ethyl 6,7-Dichloro-1-cyclopropyl-4-oxo-1,4-dihydroquinoline-3-carboxylate; 1-Cyclopropyl-6,7-dichloro-1,4-dihydro-4-oxo-3-quinolinecarboxylic Acid Ethyl Ester; 6,7-Dichloro-1-cyclopropyl-4-oxo-1,4-dihydroquinoline-3-carboxylic Acid Ethyl Ester; Quinolone Carboxylic Acid Ester Intermediate; Antibacterial Intermediate DCQ; CAS 1094412-34-6
EINECS	Contact for details

Quality Control

Our 6,7-Dichloro-1-Cyclopropyl-1,4-Dihydro-4-Oxo-3-Quinolinecarboxylic Acid Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical R&D and synthesis. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep the container sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 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.