Description

5,6-Dichloropyridazin-3(2H)-One is a versatile halogenated heterocyclic building block of significant importance in advanced organic synthesis. This compound serves as a key intermediate for the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various drug candidates, particularly those with pyridazine-based scaffolds, for therapeutic areas such as oncology and central nervous system (CNS) disorders.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, leveraging its reactive dichloro-substituted pyridazine core.
• Chemical Research & Development: Serves as a versatile building block in medicinal chemistry and material science for creating libraries of novel heterocyclic compounds.
• Dye and Pigment Intermediate: Employed in the synthesis of specialized dyes and functional pigments due to its aromatic heterocyclic structure.
• Ligand Synthesis for Catalysis: Can be utilized to develop novel chelating ligands for metal-catalyzed reactions in fine chemical production.

Basic Information

Product Name	5,6-Dichloropyridazin-3(2H)-One
CAS No.	17285-36-8
Molecular Formula	C4H2Cl2N2O
Molecular Weight	164.98 g/mol
Synonyms	3,4-Dichloro-6-hydroxypyridazine; 5,6-Dichloro-3(2H)-pyridazinone; 5,6-Dichloro-2,3-dihydropyridazin-3-one; 5,6-Dichloro-3-pyridazinol; 5,6-Dichloro-1,2-dihydropyridazine-3-one; 5,6-Dichloro-3-hydroxypyridazine; NSC 403079
EINECS	241-310-2

Quality Control

Our 5,6-Dichloropyridazin-3(2H)-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for advanced synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and reliability for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong bases and strong oxidizing agents.

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%

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