Description

5-Chloro-6-(3-Chlorophenyl)-2-Methylpyridazin-3(2H)-One is a high-purity, advanced pharmaceutical intermediate with a defined heterocyclic structure. This compound is valued for its role as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex molecular architectures. It is primarily sought by research institutions and manufacturers in the global pharmaceutical and agrochemical industries for developing next-generation products.

Application

• Pharmaceutical Intermediate: A key precursor in the research and synthesis of new drug candidates, especially for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Research: Used in the development of novel herbicides and pesticides, leveraging its specific chlorinated pyridazinone core.
• Chemical Synthesis Building Block: Serves as a versatile scaffold for medicinal chemistry and process chemistry for creating libraries of novel compounds.
• Academic & Contract Research: Employed in university and CRO (Contract Research Organization) laboratories for fundamental organic chemistry research and method development.

Basic Information

Product Name	5-Chloro-6-(3-Chlorophenyl)-2-Methylpyridazin-3(2H)-One
CAS No.	849021-00-7
Molecular Formula	C11H8Cl2N2O
Molecular Weight	255.10 g/mol
Synonyms	5-Chloro-6-(3-chlorophenyl)-2-methyl-2,3-dihydropyridazin-3-one; 5-Chloro-6-(3-chlorophenyl)-2-methyl-3(2H)-pyridazinone; 2-Methyl-5,6-dichloro-3(2H)-pyridazinone derivative; 3-Chlorophenyl pyridazinone intermediate; CAS 849021-00-7
EINECS	Contact for details

Quality Control

Our 5-Chloro-6-(3-Chlorophenyl)-2-Methylpyridazin-3(2H)-One is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for pharmaceutical R&D. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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 away from strong acids, bases, and oxidizing agents. For long-term storage, consider an inert atmosphere to ensure stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches 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.