Description

3-(Methylsulfonyl)Benzoic Acid is a versatile aromatic sulfone derivative with a carboxylic acid functional group, serving as a key synthetic intermediate in advanced organic chemistry. This compound is valued for its ability to introduce both a sulfonyl and a carboxylic acid moiety, enabling precise structural modifications in target molecules. It is primarily sought after by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of potential drug candidates, particularly those targeting specific enzyme inhibitors or receptor modulators.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and plant growth regulators.
• Material Science Research: Serves as a monomer or functionalizing agent in the development of specialty polymers and advanced materials.
• Chemical Research & Development: Employed as a standard or reagent in method development and organic synthesis pathways in academic and industrial labs.
• Liquid Crystal & Electronic Chemicals: Can be utilized in the synthesis of components for display materials and organic semiconductors.

Basic Information

Product Name	3-(Methylsulfonyl)Benzoic Acid
CAS No.	5345-27-7
Molecular Formula	C8H8O4S
Molecular Weight	200.21 g/mol
Synonyms	3-(Methanesulfonyl)benzoic acid; Benzoic acid, 3-(methylsulfonyl)-; m-(Methylsulfonyl)benzoic acid; 3-Mesylbenzoic acid; 3-Carboxyphenyl methyl sulfone; 5345-27-7; 3-Methylsulfonylbenzoic acid
EINECS	226-297-5

Quality Control

Our 3-(Methylsulfonyl)Benzoic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, confirming compliance with agreed specifications. Our quality commitment supports applications requiring high-purity intermediates for research and regulated synthesis.

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). This product is hygroscopic (moisture-sensitive). Keep the container tightly sealed to minimize exposure to atmospheric humidity.

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	≤ 0.5%
Heavy Metals	< 10 ppm

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