Description

5-Bromo-4-Chloro-2-Phenylpyridazin-3(2H)-One is a high-purity, synthetically valuable halogenated pyridazinone derivative. This compound serves as a critical pharmaceutical intermediate and versatile organic building block for advanced chemical synthesis. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Research: Used in the development of new herbicides and pesticides, leveraging its heterocyclic core for bioactivity.
• Organic Synthesis Building Block: Employed in cross-coupling reactions (e.g., Suzuki, Buchwald-Hartwig) and nucleophilic substitutions to construct complex molecular architectures.
• Material Science: Serves as a monomer or functional unit in the research of advanced polymers and organic electronic materials.
• Chemical Biology Probe: Utilized in medicinal chemistry to study enzyme inhibition and receptor-ligand interactions.

Basic Information

Product Name	5-Bromo-4-Chloro-2-Phenylpyridazin-3(2H)-One
CAS No.	1698-63-1
Molecular Formula	C10H6BrClN2O
Molecular Weight	285.53 g/mol
Synonyms	5-Bromo-4-chloro-2-phenyl-2,3-dihydropyridazin-3-one; 5-Bromo-4-chloro-2-phenyl-3(2H)-pyridazinone; 2-Phenyl-5-bromo-4-chloro-3(2H)-pyridazinone; 4-Chloro-5-bromo-2-phenylpyridazin-3(2H)-one; 1698-63-1; 5-Bromo-4-chloro-2-phenyl-3-pyridazinone; 2-Phenyl-4-chloro-5-bromopyridazin-3(2H)-one
EINECS	Contact for details

Quality Control

Our 5-Bromo-4-Chloro-2-Phenylpyridazin-3(2H)-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high chemical purity and identity. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to support your R&D and quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from incompatible materials such as strong bases and reducing agents. The container should be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (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.