Description

3-(2-Chlorophenoxy)Benzenesulfonyl Chloride is a high-purity, reactive organosulfur intermediate of significant importance in advanced chemical synthesis. Its core value lies in its dual functional groups, which enable its use as a versatile building block for constructing complex molecular architectures. This compound is primarily needed by research institutions and industrial manufacturers in the pharmaceutical and agrochemical sectors for the development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of sulfonamide-based drug candidates, including potential enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides and pesticides, leveraging the phenoxy and sulfonyl chloride motifs.
• Material Science Research: Serves as a precursor for creating specialized polymers and functional materials with tailored properties.
• Chemical Derivatization: Employed in analytical chemistry and proteomics for labeling and modifying biomolecules.
• Custom Synthesis: A critical starting material for contract research organizations (CROs) and CDMOs developing proprietary compounds for clients.

Basic Information

Product Name	3-(2-Chlorophenoxy)Benzenesulfonyl Chloride
CAS No.	474947-79-0
Molecular Formula	C12H8Cl2O3S
Molecular Weight	303.16 g/mol
Synonyms	2-Chlorophenyl 3-Chlorosulfonylphenyl Ether; 1-Chloro-3-((2-chlorophenoxy)benzenesulfonyl chloride; 3-((2-Chlorophenoxy)phenyl)sulfonyl chloride; Benzenesulfonyl chloride, 3-(2-chlorophenoxy)-; (2-Chlorophenoxy)phenylsulfonyl chloride
EINECS	Contact for details

Quality Control

Our 3-(2-Chlorophenoxy)Benzenesulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles 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 a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to prevent decomposition. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Assay	97.0 - 103.0 %
Water Content (KF)	≤ 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.