Description

5-Acetylamino-2-Methoxybenzenesulfonyl Chloride is a high-purity sulfonyl chloride derivative, a critical building block in advanced organic synthesis. Its primary value lies in its role as a versatile electrophilic reagent for introducing the sulfonamide moiety, enabling the creation of compounds with specific biological and chemical properties. This intermediate is essential for research and production in the pharmaceutical and agrochemical industries, particularly in the development of new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of sulfonamide-based drug candidates, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and pesticides that require a sulfonamide functional group.
• Dye and Pigment Manufacturing: Serves as an intermediate for producing specialized sulfonated dyes and colorants.
• Polymer Chemistry: Employed in the modification of polymers to introduce sulfonamide groups, altering material properties like solubility and reactivity.
• Chemical Research & Development: A valuable reagent for medicinal chemistry and process chemistry in academic and industrial R&D laboratories.
• Custom Synthesis: Building block for contract manufacturing organizations (CMOs) producing bespoke fine chemicals for client projects.

Basic Information

Item	Details
Product Name	5-Acetylamino-2-Methoxybenzenesulfonyl Chloride
CAS No.	5804-73-9
Molecular Formula	C9H10ClNO4S
Molecular Weight	263.70 g/mol
Synonyms	N-(5-Chlorosulfonyl-2-methoxyphenyl)acetamide; 2-Methoxy-5-acetamidobenzenesulfonyl chloride; 5-Acetamido-2-methoxybenzenesulfonyl chloride; 5-Acetylamino-2-methoxybenzenesulphonyl chloride; 2-Methoxy-5-acetylaminobenzenesulfonyl chloride; N-Acetyl-5-chlorosulfonyl-2-methoxyaniline; 5804-73-9
EINECS	Contact for details

Quality Control

Our 5-Acetylamino-2-Methoxybenzenesulfonyl Chloride is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the high standards required for synthetic applications. A detailed Certificate of Analysis (COA) with batch-specific data is provided with each shipment to guarantee traceability and consistency.

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). Due to its hygroscopic and moisture-sensitive nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 20 ppm

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