Description

4-Methanesulfonyl-Benzoic Acid Ethyl Ester is a high-purity organic building block characterized by its sulfonyl and ester functional groups. This compound is valued for its role as a versatile synthetic intermediate in the development of complex molecules, particularly in pharmaceutical research and fine chemical synthesis. It is essential for chemists and manufacturers in the pharmaceutical, agrochemical, and advanced material sectors who require reliable, high-quality intermediates for their R&D and production processes.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), especially those containing sulfonamide or benzoic acid ester motifs.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Material Science Research: Serves as a monomer or precursor in the development of specialty polymers and advanced organic materials.
• Organic Synthesis: Employed in academic and industrial laboratories for constructing complex molecular architectures, leveraging its reactive ester and electron-withdrawing sulfonyl group.
• Ligand and Catalyst Development: Useful in the preparation of specialized ligands for metal-catalyzed reactions.

Basic Information

Product Name	4-Methanesulfonyl-Benzoic Acid Ethyl Ester
CAS No.	6274-54-0
Molecular Formula	C11H14O4S
Molecular Weight	242.29 g/mol
Synonyms	Ethyl 4-(Methylsulfonyl)benzoate; Benzoic acid, 4-(methylsulfonyl)-, ethyl ester; 4-(Methanesulfonyl)benzoic acid ethyl ester; p-(Methylsulfonyl)benzoic acid ethyl ester; Ethyl p-toluenesulfonate benzoate derivative; 4-MES-BAEE
EINECS	Contact for details

Quality Control

Our 4-Methanesulfonyl-Benzoic Acid Ethyl Ester is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the high standards required for research and industrial use. Certificates of Analysis (COA) documenting all critical parameters are available upon request.

Storage

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

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%

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