Description

Methyl 3-(Chlorosulfonyl)-4-Ethoxybenzoate is a versatile and high-value chemical intermediate characterized by its reactive chlorosulfonyl and ester functional groups. This compound is essential for the synthesis of complex molecules, particularly in the development of advanced active pharmaceutical ingredients (APIs) and agrochemicals. It is primarily sought after by research institutions, fine chemical manufacturers, and pharmaceutical companies engaged in custom synthesis and process development.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of sulfonamide-based drug candidates, including potential enzyme inhibitors and receptor modulators.
• Agrochemical Synthesis: Used in the production of novel herbicides and fungicides, leveraging the sulfonyl chloride moiety for creating bioactive molecules.
• Material Science Research: Serves as a precursor for functionalized polymers and advanced materials requiring specific sulfonate or sulfonamide linkages.
• Custom Synthesis & Contract Manufacturing: A critical reagent for fine chemical companies offering bespoke synthesis services for clients in life sciences.
• Chemical Biology Probes: Utilized in the development of chemical probes and labeling agents for proteomics and biochemical research.

Basic Information

Product Name	Methyl 3-(Chlorosulfonyl)-4-Ethoxybenzoate
CAS No.	932896-53-2
Molecular Formula	C10H11ClO5S
Molecular Weight	278.71 g/mol
Synonyms	4-Ethoxy-3-(chlorosulfonyl)benzoic acid methyl ester; Methyl 4-ethoxy-3-(chlorosulfonyl)benzoate; Benzoic acid, 4-ethoxy-3-(chlorosulfonyl)-, methyl ester; 3-(Chlorosulfonyl)-4-ethoxybenzoic acid methyl ester
EINECS	Contact for details

Quality Control

Our Methyl 3-(Chlorosulfonyl)-4-Ethoxybenzoate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and synthesis applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under anhydrous conditions. Keep away from strong acids and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.