Description

Benzyl 3-[(Chlorosulfonyl)Methyl]Benzoate is a specialized organic intermediate featuring both a reactive chlorosulfonyl group and a benzyl ester moiety. This compound is valued for its role as a key building block in the synthesis of more complex molecules, particularly in pharmaceutical and advanced material research. It is primarily sought by R&D chemists and process development scientists working on sulfonamide-based active pharmaceutical ingredients (APIs) and functional polymers.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel sulfonamide drugs, including enzyme inhibitors and receptor antagonists.
• Agrochemical Research: Used in developing new active ingredients for crop protection agents, leveraging the sulfonyl chloride reactivity.
• Polymer Chemistry: Serves as a functional monomer or cross-linking agent for creating specialty polymers with specific surface properties.
• Material Science: Employed in the development of advanced materials, such as metal-organic frameworks (MOFs) or functional coatings.
• Chemical Synthesis: Acts as a versatile reagent for introducing the 3-(chlorosulfonylmethyl)benzoyl group into target molecules under controlled conditions.

Basic Information

Product Name	Benzyl 3-[(Chlorosulfonyl)Methyl]Benzoate
CAS No.	221156-65-6
Molecular Formula	C16H15ClO4S
Molecular Weight	338.80 g/mol
Synonyms	Benzyl 3-(Chlorosulfonylmethyl)benzoate; 3-[(Chlorosulfonyl)methyl]benzoic Acid Benzyl Ester; Benzoic acid, 3-[(chlorosulfonyl)methyl]-, phenylmethyl ester; Benzyl m-[(chlorosulfonyl)methyl]benzoate; (Benzyloxycarbonylphenyl)methanesulfonyl Chloride (derivative); BCMB (abbreviation); CAS 221156-65-6
EINECS	Contact for details

Quality Control

Our Benzyl 3-[(Chlorosulfonyl)Methyl]Benzoate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by NMR and IR spectroscopy, to ensure it meets the high standards required for research and development applications. A Certificate of Analysis (COA) detailing all specifications 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 (typically 15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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