Description

4-Acetamido-3-Chlorobenzenesulfonyl Chloride is a high-purity sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its dual reactive sites, enabling the efficient construction of complex molecules with tailored properties. This intermediate is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for developing active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of sulfonamide-based active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents.
• Dyestuff and Pigment Manufacturing: Serves as an intermediate for creating sulfonated dyes and specialty colorants.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the production of specialty polymers and resins.
• Chemical Research & Development: A versatile reagent for constructing novel chemical entities in medicinal and material science research.
• Sulfa Drug Synthesis: Fundamental building block for a class of antimicrobial sulfonamide drugs.

Basic Information

Product Name	4-Acetamido-3-Chlorobenzenesulfonyl Chloride
CAS No.	16761-18-5
Molecular Formula	C8H7Cl2NO3S
Molecular Weight	268.12 g/mol
Synonyms	N-(4-Chloro-3-sulfonylchloridophenyl)acetamide; 3-Chloro-4-acetamidobenzenesulfonyl Chloride; 4-Acetamido-3-chlorobenzene-1-sulfonyl chloride; 4-Acetylamino-3-chlorobenzenesulfonyl Chloride; 2-Chloro-4-(chlorosulfonyl)acetanilide; 4-Acetamido-3-chlorophenylsulfonyl chloride; p-Acetamido-m-chlorobenzenesulfonyl Chloride
EINECS	Contact for details

Quality Control

Our 4-Acetamido-3-Chlorobenzenesulfonyl Chloride is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets exacting standards for research and industrial use. 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, well-ventilated place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions to prevent decomposition. Keep away from strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
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.