Description

3-Chlorosulfonyl-2-Fluorobenzoic Acid is a high-purity, multifunctional aromatic building block of significant importance in advanced organic synthesis. Its core value lies in the simultaneous presence of a reactive sulfonyl chloride group and a carboxylic acid moiety on a fluorinated benzene ring, enabling precise molecular construction. This compound is essential for researchers and process chemists in the pharmaceutical and agrochemical industries developing novel active ingredients, particularly for creating sulfonamide-based compounds and complex heterocycles.

Application

• Pharmaceutical Intermediate: Key synthon for the development of novel drug candidates, especially those containing sulfonamide pharmacophores.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and insecticides.
• Material Science: Building block for synthesizing specialized polymers, liquid crystals, and organic electronic materials.
• Chemical Research & Development: A versatile reagent for constructing complex organic molecules and exploring new reaction pathways in medicinal and process chemistry.
• Dye and Pigment Industry: Intermediate in the synthesis of specialized fluorinated dyes and colorants.

Basic Information

Product Name	3-Chlorosulfonyl-2-Fluorobenzoic Acid
CAS No.	1909327-45-2
Molecular Formula	C7H4ClFO4S
Molecular Weight	238.62 g/mol
Synonyms	2-Fluoro-3-(chlorosulfonyl)benzoic Acid; 3-(Chlorosulfonyl)-2-fluorobenzoic Acid; Benzoic acid, 2-fluoro-3-(chlorosulfonyl)-; 2-Fluorobenzoic-3-sulfonyl chloride
EINECS	Contact for details

Quality Control

Every batch of 3-Chlorosulfonyl-2-Fluorobenzoic Acid is manufactured and tested under a strict quality management system. We ensure high purity and consistency through advanced analytical techniques including HPLC, NMR, and IR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your regulatory and R&D requirements.

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 decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Heavy Metals	< 10 ppm

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