Description

1-Cyano-Ethanesulfonyl Chloride is a versatile and highly reactive sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its bifunctional nature, containing both a reactive sulfonyl chloride group and a cyano group, enabling the construction of complex sulfonamide and heterocyclic frameworks. This intermediate is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries developing new active ingredients, as well as for specialty chemical producers creating functional materials and dyes.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel sulfonamide-based drug candidates, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides that require sulfonamide moieties for bioactivity.
• Functional Material Precursor: Serves as a monomer or cross-linking agent in the development of specialty polymers, resins, and high-performance materials.
• Dye and Pigment Manufacturing: Intermediate in the synthesis of sulfonated dyes and organic pigments, contributing to color fastness and solubility.
• Chemical Research & Development: A valuable reagent for medicinal chemistry and process chemistry research to explore new synthetic pathways.
• Ligand and Catalyst Synthesis: Used to prepare specialized sulfonamide ligands for metal complexes and catalysts used in asymmetric synthesis.

Basic Information

Product Name	1-Cyano-Ethanesulfonyl Chloride
CAS No.	34876-17-0
Molecular Formula	C3H4ClNO2S
Molecular Weight	153.59 g/mol
Synonyms	2-Cyanoethanesulfonyl chloride; Ethanesulfonyl chloride, 2-cyano-; NSC 163082; 2-Cyanoethylsulfonyl chloride; β-Cyanoethanesulfonyl chloride; 1-Cyano-2-sulfonylethane chloride; (2-Cyanoethyl)sulfonyl chloride
EINECS	Contact for details

Quality Control

Our 1-Cyano-Ethanesulfonyl Chloride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing batch-specific results are provided to guarantee traceability and consistency for your R&D and production needs.

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 to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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