Description

4-Methoxy-3-Methyl-Benzenesulfonyl Chloride is a versatile and highly reactive sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its primary value lies in its role as an efficient sulfonylation agent, enabling the introduction of the sulfonyl functional group to create compounds with tailored properties. This intermediate 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 building block for the synthesis of sulfonamide-based drug candidates, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the production of novel herbicides, fungicides, and pesticides that require specific sulfonyl moiety activity.
• Dyestuff and Pigment Manufacturing: Acts as an intermediate for creating sulfonated dyes and colorants with enhanced solubility and fastness properties.
• Polymer Chemistry: Employed in the synthesis of specialty polymers and resins, where the sulfonyl chloride group facilitates cross-linking or imparts specific chemical resistance.
• Chemical Research & Development: A valuable reagent in academic and industrial R&D for exploring new synthetic pathways and creating novel chemical entities.
• Liquid Crystal and Electronic Material Precursor: Used in the synthesis of advanced materials for display technologies and electronic applications.

Basic Information

Product Name	4-Methoxy-3-Methyl-Benzenesulfonyl Chloride
CAS No.	84910-98-5
Molecular Formula	C8H9ClO3S
Molecular Weight	220.67 g/mol
Synonyms	3-Methyl-4-methoxybenzenesulfonyl chloride; 4-Methoxy-3-methylbenzene-1-sulfonyl chloride; 1-(Chlorosulfonyl)-4-methoxy-3-methylbenzene; p-Methoxy-m-toluenesulfonyl chloride; 4-Methoxy-3-methylphenylsulfonyl chloride; 3-Methyl-4-methoxyphenylsulfonyl chloride; 84910-98-5 (CAS Registry)
EINECS	Contact for details

Quality Control

Every batch of our 4-Methoxy-3-Methyl-Benzenesulfonyl Chloride is produced under strict quality management protocols. We employ advanced analytical techniques, including HPLC, GC, and NMR, to ensure high purity and consistent batch-to-batch performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory compliance needs.

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). 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 hydrolysis. Keep away from strong bases, oxidizing agents, and sources of ignition.

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.