Description

4-Methoxy-2-Methyl-Benzenesulfonyl Chloride is a specialized aromatic sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its core value lies in its high reactivity as a sulfonylation agent, enabling the efficient introduction of the sulfonyl functional group into target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, where it is used to create active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key reagent in the synthesis of sulfonamide-based drug candidates, including potential enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Building block for developing novel herbicides, fungicides, and pesticides with tailored activity profiles.
• Dye and Pigment Manufacturing: Used in the production of specialized sulfonated dyes and colorants.
• Polymer Chemistry: Acts as a monomer or modifying agent in the synthesis of specialty polymers and resins.
• Chemical Research & Development: A versatile tool for medicinal chemists and process development scientists exploring new synthetic pathways.
• Custom Synthesis: Employed in contract manufacturing for the production of bespoke fine chemicals and advanced intermediates.

Basic Information

Product Name	4-Methoxy-2-Methyl-Benzenesulfonyl Chloride
CAS No.	68978-27-8
Molecular Formula	C8H9ClO3S
Molecular Weight	220.67 g/mol
Synonyms	2-Methyl-4-methoxybenzenesulfonyl chloride; 4-Methoxy-o-toluenesulfonyl chloride; 2-Methylanisole-4-sulfonyl chloride; 4-Methoxy-2-methylphenylsulfonyl chloride; p-Methoxy-o-toluenesulfonyl chloride; 1-Methoxy-2-methyl-4-(chlorosulfonyl)benzene; 68978-27-8; 4-Methoxy-2-methylbenzenesulfonyl chloride
EINECS	Contact for details

Quality Control

Every batch of 4-Methoxy-2-Methyl-Benzenesulfonyl Chloride is manufactured and tested under a strict quality management system. We ensure product integrity through comprehensive analytical controls, including chromatographic purity assays and identity confirmation. A Certificate of Analysis (COA) detailing batch-specific results for purity, appearance, and other critical parameters is provided with each shipment to guarantee consistent quality and traceability for your R&D and production needs.

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 anhydrous conditions to prevent decomposition. Keep away from heat, sparks, open flames, and incompatible materials such as strong bases, amines, and alcohols.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
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.