Description

4-Methoxy-3,5-Dimethylbenzenesulfonyl Chloride is a specialized aromatic sulfonyl chloride derivative that serves as a critical building block in advanced organic synthesis. Its value lies in its high reactivity as a sulfonylation agent, enabling the precise introduction of the sulfonyl functional group into target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for developing active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key reagent in the synthesis of sulfonamide-based drug candidates, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the production of novel herbicides, fungicides, and plant growth regulators that require the sulfonyl moiety for bioactivity.
• Dye and Pigment Manufacturing: Acts as a precursor for sulfonated dyes and specialty colorants, enhancing solubility and color fastness.
• Polymer Chemistry: Employed in the modification of polymers and the synthesis of specialty monomers to impart specific chemical resistance or functional properties.
• Chemical Research & Development: A versatile tool for medicinal chemists and process development scientists exploring new synthetic pathways and molecular entities.
• Ligand and Catalyst Preparation: Useful for synthesizing specialized ligands and catalysts used in asymmetric synthesis and other catalytic processes.

Basic Information

Product Name	4-Methoxy-3,5-Dimethylbenzenesulfonyl Chloride
CAS No.	75157-75-4
Molecular Formula	C9H11ClO3S
Molecular Weight	234.70 g/mol
Synonyms	2,6-Dimethyl-4-methoxybenzenesulfonyl chloride; 4-Methoxy-3,5-dimethylbenzene-1-sulfonyl chloride; 3,5-Dimethyl-4-methoxybenzenesulfonyl chloride; 2,6-Dimethyl-4-methoxybenzenesulfonyl chloride; 4-Methoxy-3,5-dimethylphenylsulfonyl chloride; 4-Methoxy-3,5-dimethylbenzenesulphonyl chloride; 2,6-Dimethyl-4-methoxybenzenesulphonyl chloride
EINECS	Contact for details

Quality Control

Our production of 4-Methoxy-3,5-Dimethylbenzenesulfonyl Chloride adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques like HPLC, GC, and NMR to confirm identity, potency, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment, supporting your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation from atmospheric moisture.

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.