Description

5,6-Dichloropyridazin-4(1H)-One is a high-purity, versatile heterocyclic building block of significant importance in advanced organic synthesis. This compound is valued for its reactive dichloro-substituted pyridazinone core, which serves as a key precursor for constructing complex molecular architectures. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and material science sectors for developing novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: A crucial synthon for the development of novel drug candidates, particularly in medicinal chemistry programs targeting various therapeutic areas.
• Agrochemical Synthesis: Used as a key building block in the research and production of advanced herbicides, fungicides, and insecticides.
• Material Science Research: Serves as a precursor for synthesizing specialized polymers, ligands, and organic electronic materials.
• Chemical Biology & Proteomics: Employed in the design and synthesis of molecular probes, enzyme inhibitors, and other bioactive tools.
• Academic & Industrial R&D: A fundamental reagent for methodological development in organic chemistry and heterocyclic chemistry research.
• Custom Synthesis & Contract Manufacturing: Supplied as a high-quality starting material for bespoke synthesis projects and scale-up processes.

Basic Information

Product Name	5,6-Dichloropyridazin-4(1H)-One
CAS No.	111232-47-4
Molecular Formula	C4H2Cl2N2O
Molecular Weight	164.98 g/mol
Synonyms	4(1H)-Pyridazinone, 5,6-dichloro-; 5,6-Dichloro-1,4-dihydropyridazin-4-one; 5,6-Dichloro-4-hydroxypyridazine; 5,6-Dichloro-4-pyridazinol; 5,6-Dichloro-4(1H)-pyridazinone; 5,6-Dichloropyridazin-4-ol; 1H-Pyridazin-4-one, 5,6-dichloro-
EINECS	Contact for details

Quality Control

Our 5,6-Dichloropyridazin-4(1H)-One is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the exacting standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to guarantee traceability and 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 room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider storing under an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
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.