Description

Cyanomethanesulfonyl Chloride is a versatile and highly reactive chemical intermediate, primarily valued for its sulfonyl chloride and nitrile functional groups. This compound is essential for the synthesis of complex molecules, enabling the introduction of the sulfonamide moiety, a key pharmacophore in medicinal chemistry. It is a critical building block for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of sulfonamide-based drugs, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the production of novel herbicides, fungicides, and insecticides with sulfonylurea or sulfonamide structures.
• Functional Material Precursor: Serves as a monomer or cross-linking agent in the development of specialty polymers and advanced materials.
• Chemical Research & Development: A valuable reagent in organic synthesis for introducing the cyanomethanesulfonyl group into target molecules.
• Dye and Pigment Manufacturing: Intermediate in the synthesis of specialized colorants and photographic chemicals.

Basic Information

Product Name	Cyanomethanesulfonyl Chloride
CAS No.	27869-04-1
Molecular Formula	C2H2ClNO2S
Molecular Weight	139.56 g/mol
Synonyms	Cyano methanesulfonyl chloride; (Cyano methyl)sulfonyl chloride; Methanesulfonyl chloride, cyano-; NSC 163082; Cyanomethylsulfonyl chloride; 2-Chlorosulfonylacetonitrile; Acetonitrile, 2-chlorosulfonyl-
EINECS	Contact for details

Quality Control

Our Cyanomethanesulfonyl Chloride is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including assay by HPLC and impurity profiling, to ensure high purity and consistency. We provide detailed Certificates of Analysis (COA) with each shipment, confirming compliance with agreed specifications. Our quality commitment supports applications requiring reliable and traceable raw materials for GMP and research purposes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to prevent decomposition. Keep away from strong bases, oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (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.