Description

Benzenesulfonyl Chloride, 2-Cyano-4-Methyl- CAS NO 1261682-98-7 is a specialized aromatic sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its dual functional groups—the reactive sulfonyl chloride and the electron-withdrawing cyano group—which enable precise molecular construction. This high-purity intermediate is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries developing novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key synthon for the development of sulfonamide-based drugs, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in constructing novel herbicides, fungicides, and insecticides with enhanced efficacy and selectivity.
• Dyestuff and Pigment Production: Serves as a precursor for synthesizing specialized azo dyes and high-performance pigments.
• Polymer Chemistry: Employed as a monomer or cross-linking agent in the production of specialty polymers and resins.
• Chemical Research & Development: A versatile reagent for introducing the benzenesulfonyl moiety into complex molecular architectures in medicinal and process chemistry.
• Liquid Crystal Materials: Potential intermediate in the synthesis of advanced organic electronic materials and liquid crystal compounds.

Basic Information

Product Name	Benzenesulfonyl Chloride, 2-Cyano-4-Methyl-
CAS No.	1261682-98-7
Molecular Formula	C8H6ClNO2S
Molecular Weight	215.66 g/mol
Synonyms	2-Cyano-4-methylbenzenesulfonyl chloride; 4-Methyl-2-cyanobenzenesulfonyl chloride; 2-Methyl-5-(chlorosulfonyl)benzonitrile; 5-(Chlorosulfonyl)-2-methylbenzonitrile; p-Toluenesulfonyl chloride, 2-cyano- derivative; 2-Cyano-4-methylbenzene-1-sulfonyl chloride
EINECS	Contact for details

Quality Control

Our Benzenesulfonyl Chloride, 2-Cyano-4-Methyl- is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place away from incompatible materials such as strong bases, amines, and alcohols. Recommended storage temperature is 2-8°C for long-term stability. The compound is moisture-sensitive; keep the container tightly sealed under an inert atmosphere if possible.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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