Description

3-Bromo-5-(Methylsulfonyl)Benzoic Acid is a high-purity, multi-functional benzoic acid derivative characterized by its bromine and methylsulfonyl substituents, making it a valuable synthetic intermediate. This compound is essential for constructing complex molecular architectures in advanced research and development. It is primarily sought after by pharmaceutical, agrochemical, and advanced material scientists for applications in drug discovery, ligand synthesis, and the development of specialty polymers.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules targeting neurological or inflammatory pathways.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Ligand & Catalyst Development: Serves as a precursor for creating specialized ligands in transition metal catalysis and organocatalysis.
• Material Science Research: Employed in the synthesis of monomers for high-performance polymers, liquid crystals, and organic electronic materials.
• Chemical Biology Probes: Useful for designing molecular probes and tags for studying biological processes and protein interactions.
• Custom Synthesis & Contract Manufacturing: A critical starting material for custom synthesis projects and scale-up processes in fine chemical production.

Basic Information

Product Name	3-Bromo-5-(Methylsulfonyl)Benzoic Acid
CAS No.	1186518-98-8
Molecular Formula	C8H7BrO4S
Molecular Weight	279.11 g/mol
Synonyms	3-Bromo-5-(methylsulfonyl)benzoic acid; 5-Bromo-3-(methylsulfonyl)benzoic acid; Benzoic acid, 3-bromo-5-(methylsulfonyl)-; 3-Bromo-5-methanesulfonylbenzoic acid; 1186518-98-8; 3-Br-5-Ms-BA; 3-Bromo-5-mesylbenzoic acid
EINECS	Contact for details

Quality Control

Our 3-Bromo-5-(Methylsulfonyl)Benzoic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specifications and test results. Our quality commitment supports compliance with cGMP and ICH guidelines for advanced intermediates.

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). Keep away from strong acids and organic solvents. The container should be kept tightly sealed in a dry environment to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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