Description

7,8-Dichloro-1,4-Dihydro-4-Oxo-3-Quinolinecarboxylic Acid is a high-purity, synthetically versatile quinoline derivative of significant importance in advanced organic synthesis. This compound serves as a critical pharmaceutical intermediate, particularly in the development of novel active pharmaceutical ingredients (APIs) and fine chemicals. It is essential for research and manufacturing organizations in the pharmaceutical, agrochemical, and specialty chemical sectors seeking to build complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key building block for the synthesis of complex drug molecules, particularly in antibiotic and antimicrobial research.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and pesticides.
• Organic Light-Emitting Diode (OLED) Materials: Acts as a precursor for electron-transport or emissive layer materials in electronic displays.
• Coordination Chemistry & Ligand Synthesis: Useful for creating chelating ligands for metal catalysts in various chemical processes.
• Fluorescent Probe Development: Serves as a core structure for synthesizing dyes and probes used in biochemical sensing and imaging.
• Academic & Industrial R&D: Employed in research laboratories for method development and exploring new chemical reactions.

Basic Information

Product Name	7,8-Dichloro-1,4-Dihydro-4-Oxo-3-Quinolinecarboxylic Acid
CAS No.	300675-28-9
Molecular Formula	C10H5Cl2NO3
Molecular Weight	258.06 g/mol
Synonyms	3-Quinolinecarboxylic acid, 7,8-dichloro-1,4-dihydro-4-oxo-; 7,8-Dichloro-4-hydroxy-3-quinolinecarboxylic acid; 7,8-Dichloro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid; 1,4-Dihydro-7,8-dichloro-4-oxo-3-quinolinecarboxylic acid; 4-Oxo-7,8-dichloro-1,4-dihydroquinoline-3-carboxylic acid; DDOQA; CAS 300675-28-9
EINECS	Contact for details

Quality Control

Our 7,8-Dichloro-1,4-Dihydro-4-Oxo-3-Quinolinecarboxylic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specifications and test results to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents. The container should be kept tightly sealed to protect from moisture.

Specification

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

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