Description

3-Fluoro-4-(Methylsulphonyl)Benzoic Acid is a high-value fluorinated aromatic building block characterized by its benzoic acid core functionalized with both fluorine and a methylsulfonyl group. This unique structure makes it a critical intermediate for synthesizing advanced pharmaceutical compounds and agrochemicals, where it imparts desirable metabolic stability and binding properties. It is primarily sought after by R&D chemists and process development scientists in the life sciences sector for creating novel active ingredients.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly in kinase inhibitor and anti-inflammatory therapeutic areas.
• Agrochemical Synthesis: Used in the production of advanced herbicides and fungicides, leveraging the fluorine atom for enhanced bioactivity and environmental persistence.
• Liquid Crystal Materials: Serves as a precursor for polar components in liquid crystal mixtures for display technologies.
• Organic Electronic Materials: Employed in the synthesis of monomers and polymers for organic semiconductors and electronic devices.
• Chemical Research & Development: A versatile building block for exploring new chemical entities in academic and industrial laboratories.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs for the scale-up and production of client-specific target molecules.

Basic Information

Product Name	3-Fluoro-4-(Methylsulphonyl)Benzoic Acid
CAS No.	185945-88-4
Molecular Formula	C8H7FO4S
Molecular Weight	218.20 g/mol
Synonyms	3-Fluoro-4-(methylsulfonyl)benzoic acid; 4-(Methylsulfonyl)-3-fluorobenzoic acid; Benzoic acid, 3-fluoro-4-(methylsulfonyl)-; 3-Fluoro-4-methanesulfonylbenzoic acid; 185945-88-4; 3-Fluoro-4-(methylsulphonyl)benzoic acid; 3-Fluoro-4-methylsulfonylbenzoic acid
EINECS	Contact for details

Quality Control

Our 3-Fluoro-4-(Methylsulphonyl)Benzoic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for advanced synthetic applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment and is available upon request.

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 and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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