Description

Benzoic Acid, 4-[(Chlorosulfonyl)Methyl]-, Ethyl Ester is a specialized organic synthesis intermediate featuring a reactive chlorosulfonyl group. This compound is valued for its versatility as a key building block in the development of more complex molecules, particularly in pharmaceutical and agrochemical research. It is primarily sought by R&D chemists and process development scientists working on sulfonamide-based active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel sulfonamide drugs, including potential enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides that incorporate sulfonyl functional groups.
• Dye and Pigment Manufacturing: Serves as a building block for creating specialized sulfonated dyes and colorants with enhanced properties.
• Polymer Modification: Employed to introduce sulfonyl chloride functionality into polymer chains for creating ion-exchange resins or specialty coatings.
• Chemical Research & Development: A versatile reagent for constructing complex molecular architectures in academic and industrial research laboratories.
• Ligand Synthesis for Catalysis: Used in the preparation of specialized sulfonamide-based ligands for metal-catalyzed reactions.

Basic Information

Product Name	Benzoic Acid, 4-[(Chlorosulfonyl)Methyl]-, Ethyl Ester
CAS No.	446847-82-1
Molecular Formula	C10H11ClO4S
Molecular Weight	262.71 g/mol
Synonyms	Ethyl 4-(Chlorosulfonylmethyl)benzoate; 4-(Chlorosulfonylmethyl)benzoic Acid Ethyl Ester; Benzoic acid, 4-[(chlorosulfonyl)methyl]-, ethyl ester; Ethyl p-(chlorosulfonylmethyl)benzoate; 4-(Chlorosulfonylmethyl)benzoate ethyl ester; Ethyl 4-(chlorosulfonylmethyl)benzoate; p-(Chlorosulfonylmethyl)benzoic Acid Ethyl Ester
EINECS	Contact for details

Quality Control

Our Benzoic Acid, 4-[(Chlorosulfonyl)Methyl]-, Ethyl Ester is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity for research and development applications. Each lot is analyzed using advanced techniques including HPLC, NMR, and IR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, 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 after opening to prevent degradation. Keep away from heat, sparks, open flames, and incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
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.