Description

3-(Chlorosulfonyl)-4,5-Dimethoxybenzoic Acid Methyl Ester is a high-value, multi-functional chemical intermediate characterized by its reactive chlorosulfonyl and ester functional groups. This compound is critical for the synthesis of complex molecules, enabling the introduction of sulfonamide or sulfonate moieties into target structures. It is primarily sought after by research and development teams in the pharmaceutical and agrochemical industries for creating novel active ingredients and fine chemicals.

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 development of novel herbicides, fungicides, and plant growth regulators requiring specific sulfonyl functionalities.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialty polymers and advanced functional materials.
• Organic Synthesis & Process Chemistry: A versatile reagent for introducing the chlorosulfonyl group in multi-step synthetic routes for complex organic molecules.
• Dye & Pigment Industry: Intermediate in the production of specialized sulfonated dyes and colorants.

Basic Information

Product Name	3-(Chlorosulfonyl)-4,5-Dimethoxybenzoic Acid Methyl Ester
CAS No.	932945-18-1
Molecular Formula	C10H11ClO6S
Molecular Weight	294.71 g/mol
Synonyms	Methyl 3-(Chlorosulfonyl)-4,5-dimethoxybenzoate; 4,5-Dimethoxy-3-(chlorosulfonyl)benzoic Acid Methyl Ester; Benzoic acid, 3-(chlorosulfonyl)-4,5-dimethoxy-, methyl ester; Methyl 4,5-dimethoxy-3-sulfonylchloridebenzoate
EINECS	Contact for details

Quality Control

Our production of 3-(Chlorosulfonyl)-4,5-Dimethoxybenzoic Acid Methyl Ester adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure consistency and meet the exacting standards required for advanced synthetic applications. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and compliance with your specifications.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under anhydrous conditions to prevent degradation. Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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