Description

4-Methoxy-2,6-Dimethylbenzenesulfonyl Chloride is a versatile and highly reactive sulfonylating agent, a key building block in advanced organic synthesis. Its value lies in its ability to introduce the sulfonyl functional group under controlled conditions, enabling the creation of complex molecules with high precision. This compound is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for sulfonamide-based drugs.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides where the sulfonyl moiety impributes specific biological activity.
• Peptide Chemistry: Employed as a protecting group reagent for amino acids during solid-phase and solution-phase peptide synthesis.
• Dye and Pigment Manufacturing: Serves as an intermediate in the production of specialty dyes and colorants.
• Polymer Modification: Used to functionalize polymers, introducing sulfonyl groups to alter material properties like solubility or reactivity.
• Chemical Research & Development: A valuable tool in academic and industrial R&D for exploring new synthetic pathways and creating novel chemical entities.

Basic Information

Item	Detail
Product Name	4-Methoxy-2,6-Dimethylbenzenesulfonyl Chloride
CAS No.	55661-08-0
Molecular Formula	C9H11ClO3S
Molecular Weight	234.70 g/mol
Synonyms	2,6-Dimethyl-4-methoxybenzenesulfonyl chloride; 4-Methoxy-2,6-dimethylbenzene-1-sulfonyl chloride; Mesitylene-4-methoxy-2-sulfonyl chloride; 1-Methoxy-3,5-dimethylbenzene-4-sulfonyl chloride; 4-Methoxy-2,6-dimethylphenylsulfonyl chloride; 2,6-Dimethylanisole-4-sulfonyl chloride; 4-Methoxy-2,6-dimethylbenzenesulphonyl chloride
EINECS	Contact for details

Quality Control

Every batch of 4-Methoxy-2,6-Dimethylbenzenesulfonyl Chloride is produced and tested under a strict quality management system. We ensure compliance with relevant industry standards for fine chemicals and pharmaceutical intermediates. A comprehensive Certificate of Analysis (COA), detailing purity, identity, and impurity profiles, is provided with each shipment to guarantee consistent quality and traceability for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place 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
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.