Description

3-Benzoyl-4-Chloro-Benzenesulfonyl Chloride is a high-purity, multi-functional chemical intermediate characterized by its reactive sulfonyl chloride and benzoyl functional groups. This compound is critical for the synthesis of advanced molecules, offering a versatile building block for introducing specific sulfonamide and ketone moieties. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel sulfonamide-based drugs, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in creating advanced herbicides, fungicides, and insecticides with tailored activity and selectivity.
• Dyestuff and Pigment Production: Serves as a precursor for synthesizing specialized dyes and pigments with enhanced color fastness and properties.
• Polymer Chemistry: Acts as a monomer or cross-linking agent for producing high-performance polymers and resins.
• Chemical Research & Development: A valuable reagent in organic synthesis for constructing complex molecular architectures in academic and industrial R&D labs.
• Liquid Crystal and Electronic Material Precursor: Used in the development of advanced materials for display and electronic applications.

Basic Information

Product Name	3-Benzoyl-4-Chloro-Benzenesulfonyl Chloride
CAS No.	33211-56-2
Molecular Formula	C₁₃H₈Cl₂O₃S
Molecular Weight	315.17 g/mol
Synonyms	4-Chloro-3-benzoylbenzenesulfonyl chloride; 2-Chloro-5-(chlorosulfonyl)benzophenone; 4'-Chloro-2-benzoylbenzenesulfonyl chloride; 3-Benzoyl-4-chlorobenzenesulfonyl chloride; Benzenesulfonyl chloride, 3-benzoyl-4-chloro-; 2-Benzoyl-4-chlorobenzenesulfonyl chloride; (4-Chloro-3-sulfonylchloridophenyl)phenylmethanone
EINECS	Contact for details

Quality Control

Our 3-Benzoyl-4-Chloro-Benzenesulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee compliance with your research or production specifications.

Storage

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

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%
Related Substances (HPLC)	Individual impurity ≤ 0.5%

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