Description

5-(Chlorosulfonyl)-2,3,4-Trimethoxybenzoic Acid is a high-purity, multi-functional chemical intermediate characterized by its reactive chlorosulfonyl and carboxylic acid groups. This compound is critical for the synthesis of complex molecules, offering a versatile building block for advanced pharmaceutical and agrochemical research and development. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for sulfonamide-based drugs.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and pesticides, leveraging its reactive sites for structural diversity.
• Organic Synthesis Building Block: Employed in research laboratories for constructing complex organic molecules, dyes, and functional materials.
• Chemical Derivatization: The chlorosulfonyl group is reactive towards amines and alcohols, making it useful for creating sulfonamides and sulfonate esters for various applications.
• Material Science Research: Investigated as a monomer or cross-linking agent for the development of specialized polymers and advanced materials.

Basic Information

Product Name	5-(Chlorosulfonyl)-2,3,4-Trimethoxybenzoic Acid
CAS No.	926251-22-1
Molecular Formula	C10H11ClO7S
Molecular Weight	310.71 g/mol
Synonyms	2,3,4-Trimethoxy-5-(chlorosulfonyl)benzoic Acid; 5-(Chlorosulfonyl)-2,3,4-trimethoxybenzoic Acid; Benzoic acid, 5-(chlorosulfonyl)-2,3,4-trimethoxy-; 2,3,4-Trimethoxy-5-sulfonylchloride benzoic acid; 5-Chlorosulfonyl-2,3,4-trimethoxybenzoic Acid
EINECS	Contact for details

Quality Control

Our 5-(Chlorosulfonyl)-2,3,4-Trimethoxybenzoic Acid is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for research and industrial synthesis. We provide comprehensive analytical data, including HPLC purity, identity confirmation (IR, NMR), and impurity profiling. A Certificate of Analysis (COA) is supplied with each batch, detailing all relevant specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong bases, oxidizing agents, and moisture. Due to its strong acid/organic solvent nature, handle with appropriate personal protective equipment in a fume hood.

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%
Residue on Ignition	≤ 0.1%

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