Description

4-(Methoxycarbonylmethyleneoxy)-3-Methyl-Benzenesulfonyl Chloride is a specialized sulfonyl chloride derivative, a key reactive intermediate in advanced organic synthesis. Its core value lies in its ability to act as a versatile sulfonylation reagent, enabling the efficient introduction of a functionalized benzenesulfonyl 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 requiring specific sulfonamide or sulfonate functionalities.

Application

• Pharmaceutical Intermediate: A critical building block for synthesizing novel drug candidates, especially those containing sulfonamide pharmacophores with potential biological activity.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides where the sulfonyl group contributes to efficacy and selectivity.
• Fine Chemical Production: Serves as a key reagent for creating complex, high-value specialty chemicals used in materials science and performance additives.
• Research & Development: An invaluable tool for medicinal and process chemists in academic and industrial R&D labs for exploring new synthetic pathways.
• Dye and Pigment Chemistry: Employed in the synthesis of specialized sulfonated dyes and colorants.

Basic Information

Product Name	4-(Methoxycarbonylmethyleneoxy)-3-Methyl-Benzenesulfonyl Chloride
CAS No.	56077-82-8
Molecular Formula	C11H11ClO5S
Molecular Weight	290.72 g/mol
Synonyms	3-Methyl-4-(methoxycarbonylmethyleneoxy)benzenesulfonyl chloride; Methyl 2-[(4-chlorosulfonyl-2-methylphenoxy)methyl]acrylate; 4-(Methoxycarbonylmethylenoxy)-3-methylbenzenesulfonyl chloride; 2-Methyl-4-(methoxycarbonylmethyleneoxy)benzenesulfonyl chloride; Acrylic acid, 2-[(4-chlorosulfonyl-2-methylphenoxy)methyl]-, methyl ester
EINECS	Contact for details

Quality Control

Our production of 4-(Methoxycarbonylmethyleneoxy)-3-Methyl-Benzenesulfonyl Chloride adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity suitable for sensitive synthetic applications. Each lot is characterized using advanced analytical techniques including HPLC, NMR, and IR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. 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
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%

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