Description

3-Bromo-4-Chlorobenzenesulfonyl Chloride is a high-purity, multi-functional sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its dual reactive sites, enabling the efficient introduction of the sulfonyl moiety into complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, particularly for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of sulfonamide-based drugs, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in creating novel herbicides, fungicides, and insecticides with enhanced efficacy.
• Material Science: Building block for polymers and advanced materials requiring specific sulfonyl functional groups.
• Chemical Research: Versatile reagent in medicinal chemistry and process development for structure-activity relationship (SAR) studies.
• Dye and Pigment Manufacturing: Intermediate in the production of specialized colorants and photographic chemicals.
• Cross-coupling Reactions: Serves as an electrophile in metal-catalyzed coupling reactions to form carbon-sulfur bonds.

Basic Information

Item	Details
Product Name	3-Bromo-4-Chlorobenzenesulfonyl Chloride
CAS No.	195201-10-6
Molecular Formula	C6H3BrCl2O2S
Molecular Weight	290.92 g/mol
Synonyms	3-Bromo-4-chlorobenzene-1-sulfonyl chloride; 4-Chloro-3-bromobenzenesulfonyl chloride; 1-Bromo-2-chloro-4-(chlorosulfonyl)benzene; Benzenesulfonyl chloride, 3-bromo-4-chloro-; (3-Bromo-4-chlorophenyl)sulfonyl chloride
EINECS	Contact for details

Quality Control

Our 3-Bromo-4-Chlorobenzenesulfonyl Chloride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high chemical purity and identity confirmation. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specified parameters. Our quality commitment ensures the material meets the stringent requirements for research and commercial-scale synthesis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to prevent decomposition. Keep away from strong bases, amines, and alcohols.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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