Description

4-Methanesulfonyl-Benzoic Acid Methyl Ester is a high-purity organic synthesis intermediate characterized by its sulfonyl and ester functional groups. This compound is valued for its role as a versatile building block in the development of advanced pharmaceutical compounds and specialty chemicals. It is primarily sought after by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and material science sectors for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those targeting specific enzyme pathways.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Material Science Research: Serves as a monomer or modifying agent in the development of specialty polymers and advanced organic materials.
• Chemical Research & Development: Employed as a standard or reagent in organic synthesis methodologies and pathway exploration.
• Liquid Crystal & Electronic Chemicals: A potential building block for molecules used in display technologies and organic semiconductors.

Basic Information

Product Name	4-Methanesulfonyl-Benzoic Acid Methyl Ester
CAS No.	22821-70-1
Molecular Formula	C10H12O4S
Molecular Weight	228.26 g/mol
Synonyms	Methyl 4-(methylsulfonyl)benzoate; Benzoic acid, 4-(methylsulfonyl)-, methyl ester; 4-(Methanesulfonyl)benzoic acid methyl ester; Methyl p-(methylsulfonyl)benzoate; p-Methanesulfonylbenzoic acid methyl ester; 4-MES-BA Methyl Ester; Methyl 4-methanesulfonylbenzoate
EINECS	Contact for details

Quality Control

Our 4-Methanesulfonyl-Benzoic Acid Methyl Ester is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, which includes data from HPLC, NMR, and other relevant analytical techniques to verify compliance with customer specifications and internal quality standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat sources and incompatible materials.

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%
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.