Description

5-[(4-Bromophenyl)Sulfanyl]-4-Chloro-2-(3-Chlorophenyl)-3(2H)-Pyridazinone is a high-purity, synthetically derived pyridazinone derivative, serving as a critical advanced intermediate in modern organic synthesis. Its value lies in its unique halogenated and sulfanyl-substituted structure, which provides versatile reactivity for constructing complex molecular architectures. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, particularly for the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the research and synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing kinase inhibitory activity.
• Agrochemical Synthesis: Used in the development of next-generation herbicides, fungicides, and insecticides, leveraging its halogenated aromatic systems.
• Chemical Research & Development: Serves as a versatile scaffold for medicinal chemistry, enabling structure-activity relationship (SAR) studies and the exploration of new chemical entities.
• Material Science Precursor: Potential intermediate in the synthesis of specialty polymers or organic electronic materials due to its conjugated system.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for use in client-specific, multi-step synthetic routes.

Basic Information

Product Name	5-[(4-Bromophenyl)Sulfanyl]-4-Chloro-2-(3-Chlorophenyl)-3(2H)-Pyridazinone
CAS No.	320421-80-5
Molecular Formula	C16H9BrCl2N2OS
Molecular Weight	428.13 g/mol
Synonyms	4-Chloro-2-(3-chlorophenyl)-5-[(4-bromophenyl)thio]-3(2H)-pyridazinone; 5-[(4-Bromophenyl)thio]-4-chloro-2-(3-chlorophenyl)-2H-pyridazin-3-one; 4-Chloro-2-(3-chlorophenyl)-5-[(4-bromophenyl)sulfanyl]-2H-pyridazin-3-one; 320421-80-5; 5-((4-Bromophenyl)thio)-4-chloro-2-(3-chlorophenyl)pyridazin-3(2H)-one
EINECS	Contact for details

Quality Control

Every batch of 5-[(4-Bromophenyl)Sulfanyl]-4-Chloro-2-(3-Chlorophenyl)-3(2H)-Pyridazinone is manufactured under strict quality management systems. Our products undergo rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency meet the high standards required for advanced synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, impurity profile, and physical characteristics is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. The compound may be light-sensitive; prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Any single impurity ≤ 0.5%, Total impurities ≤ 2.0%
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.