Description

4-Chlorosulfonylmethyl-Benzoic Acid is a versatile and high-value aromatic sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its bifunctional nature, featuring both a reactive sulfonyl chloride group and a carboxylic acid moiety, makes it indispensable for creating complex molecular architectures. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for the development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of sulfonamide-based drugs, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the production of modern herbicides and fungicides, where the sulfonyl group contributes to biological activity.
• Polymer Modification: Acts as a functional monomer or cross-linking agent to introduce sulfonyl chloride groups into polymer chains for specialty materials.
• Dye and Pigment Manufacturing: Intermediate for creating sulfonated dyes and colorants with enhanced solubility and properties.
• Chemical Research & Development: A valuable reagent for medicinal chemistry and process development in contract research organizations (CROs).
• Ligand and Catalyst Design: Building block for synthesizing complex ligands used in catalysis and metal-organic frameworks (MOFs).

Basic Information

Product Name	4-Chlorosulfonylmethyl-Benzoic Acid
CAS No.	92614-57-8
Molecular Formula	C8H7ClO4S
Molecular Weight	234.66 g/mol
Synonyms	4-(Chlorosulfonylmethyl)benzoic acid; Benzoic acid, 4-(chlorosulfonylmethyl)-; 4-Carboxybenzylsulfonyl chloride; (4-Carboxyphenyl)methanesulfonyl chloride; p-Carboxybenzylsulfonyl chloride; α-Chlorosulfonyl-p-toluic acid; 4-(Chlorosulfonylmethyl)benzoic acid CAS 92614-57-8
EINECS	Contact for details

Quality Control

Our 4-Chlorosulfonylmethyl-Benzoic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by FT-IR and NMR, to ensure it meets exacting standards for research and industrial use. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent batch-to-batch quality.

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 to prevent degradation from atmospheric moisture. 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
Loss on Drying	≤ 1.0%
Related Substances (HPLC)	Individual impurity ≤ 0.5%

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