Description

3-(4-Methoxyphenyl)Benzenesulfonyl Chloride is a specialized sulfonyl chloride derivative, a key reactive intermediate in modern organic synthesis. Its primary value lies in its role as a versatile building block for constructing more complex molecules, particularly in the development of active pharmaceutical ingredients (APIs) and advanced materials. This compound is essential for research and production chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce sulfonamide or sulfonate functionalities.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of sulfonamide-based drug candidates, including potential enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides where the sulfonyl moiety imparts biological activity.
• Material Science: Serves as a monomer or cross-linking agent in the production of specialty polymers, resins, and functional materials.
• Chemical Research: Employed in academic and industrial R&D for method development and the creation of compound libraries for screening.
• Dye and Pigment Manufacturing: Acts as an intermediate in the synthesis of sulfonated dyes and colorants.

Basic Information

Product Name	3-(4-Methoxyphenyl)Benzenesulfonyl Chloride
CAS No.	799283-94-6
Molecular Formula	C13H11ClO3S
Molecular Weight	282.74 g/mol
Synonyms	3-(4-Methoxyphenyl)benzenesulfonyl chloride; [1,1'-Biphenyl]-3-sulfonyl chloride, 4'-methoxy-; 4'-Methoxy[1,1'-biphenyl]-3-sulfonyl chloride; 3-(4-Methoxyphenyl)phenylsulfonyl chloride; (3-(4-Methoxyphenyl)phenyl)sulfonyl chloride
EINECS	Contact for details

Quality Control

Every batch of 3-(4-Methoxyphenyl)Benzenesulfonyl Chloride is manufactured and tested under a strict quality management system. We ensure compliance with relevant industry standards for fine chemical intermediates. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee batch-to-batch consistency and traceability for your synthetic processes.

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). Due to its hygroscopic and moisture-sensitive nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening 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
Water Content (KF)	≤ 0.5%

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