Description

4-Bromo-6-Chloropyridazin-3(2H)-One is a high-value halogenated pyridazinone derivative, serving as a critical synthetic intermediate in advanced organic chemistry. Its precise molecular architecture makes it indispensable for constructing complex heterocyclic scaffolds with targeted biological activity. This compound is primarily sought after by research and development teams in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of potential drug candidates, particularly in medicinal chemistry programs targeting enzyme inhibition.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Chemical Synthesis: A versatile reagent for constructing complex pyridazine and fused ring systems in academic and industrial research laboratories.
• Material Science: Potential precursor for the development of specialty chemicals and functional materials with specific electronic or photophysical properties.

Basic Information

Product Name	4-Bromo-6-Chloropyridazin-3(2H)-One
CAS No.	933041-13-5
Molecular Formula	C4H2BrClN2O
Molecular Weight	209.43 g/mol
Synonyms	4-Bromo-6-chloro-2,3-dihydropyridazin-3-one; 4-Bromo-6-chloro-3(2H)-pyridazinone; 6-Chloro-4-bromopyridazin-3(2H)-one; 3(2H)-Pyridazinone, 4-bromo-6-chloro-; 4-Bromo-6-chloro-1,2-dihydropyridazine-3-one
EINECS	Contact for details

Quality Control

Our 4-Bromo-6-Chloropyridazin-3(2H)-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure consistency and reliability for your synthetic workflows. A detailed Certificate of Analysis (COA) 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 controlled room temperature (15-25°C). This compound may be moisture-sensitive; keep the container tightly sealed in a dry environment.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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