Description

2-Methylsulfonylethyl Chlorocarbonate is a versatile and highly reactive chemical intermediate, primarily used as an alkylating and carbonylating agent in sophisticated organic synthesis. Its core value lies in enabling the efficient introduction of the 2-methylsulfonylethyl group, a valuable moiety for constructing complex molecules with specific functionalities. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, where it facilitates the development of active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for introducing sulfone-containing pharmacophores.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides that require specific sulfonyl-based side chains.
• Peptide Chemistry: Acts as a coupling reagent or protecting group reagent in the synthesis of modified peptides and peptidomimetics.
• Polymer Modification: Employed to functionalize polymers and resins, imparting specific sulfone group properties for advanced material applications.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized ligands and organocatalysts used in asymmetric synthesis.
• Custom Chemical Synthesis: A critical reagent for contract research and manufacturing organizations (CROs/CMOs) working on proprietary molecule development.

Basic Information

Product Name	2-Methylsulfonylethyl Chlorocarbonate
CAS No.	53298-29-6
Molecular Formula	C4H7ClO4S
Molecular Weight	186.61 g/mol
Synonyms	2-(Methylsulfonyl)ethyl Chloroformate; Chloroformic Acid 2-(Methylsulfonyl)ethyl Ester; 2-Methylsulfonylethyl Chloroformate; 2-(Methanesulfonyl)ethyl Chlorocarbonate; MSC; 2-Methylsulfonylethoxycarbonyl Chloride
EINECS	Contact for details

Quality Control

Every batch of 2-Methylsulfonylethyl Chlorocarbonate is manufactured and tested under a strict quality management system. We ensure the product meets high-purity standards suitable for demanding synthetic applications. Comprehensive analytical testing, including HPLC, GC, and NMR, is performed to verify identity, purity, and consistency. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and compliance with your specifications.

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). This product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) and away from direct light exposure to maintain stability and prevent decomposition. Keep away from heat, sparks, open flames, and incompatible materials such as strong bases, strong oxidizing agents, and alcohols.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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