Description

4-Acetylamino-3-Methyl-Benzenesulfonyl Chloride is a specialized sulfonyl chloride derivative, a key reactive intermediate in organic synthesis. Its primary value lies in its role as a versatile building block for constructing more complex molecules, particularly in the development of active pharmaceutical ingredients (APIs) and fine chemicals. This compound is essential for research and production chemists in the pharmaceutical, agrochemical, and specialty chemical industries who require high-purity intermediates for sulfonamide and sulfonate synthesis.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of various sulfonamide-based drugs, including diuretics, anti-inflammatory agents, and antimicrobial compounds.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and other crop protection agents that incorporate sulfonyl functional groups.
• Dye and Pigment Manufacturing: Serves as a key intermediate for creating sulfonated dyes and colorants with enhanced solubility and fastness properties.
• Polymer Chemistry: Employed in the modification of polymers and the synthesis of specialty monomers containing sulfonyl moieties.
• Chemical Research & Development: A valuable reagent in academic and industrial R&D labs for exploring new synthetic pathways and creating novel chemical entities.
• Fine Chemical Production: Integral to the manufacture of complex, high-value specialty chemicals used in various industrial processes.

Basic Information

Item	Details
Product Name	4-Acetylamino-3-Methyl-Benzenesulfonyl Chloride
CAS No.	14988-21-7
Molecular Formula	C9H10ClNO3S
Molecular Weight	247.70 g/mol
Synonyms	N-(4-Methyl-3-sulfamoylphenyl)acetamide sulfonyl chloride; 3-Methyl-4-acetamidobenzenesulfonyl chloride; 4-Acetamido-3-methylbenzenesulfonyl chloride; 4-(Acetylamino)-3-methylbenzenesulfonyl chloride; p-Acetamido-m-toluenesulfonyl chloride; 4-Methyl-3-acetamidobenzenesulfonyl chloride; AABSC
EINECS	Contact for details

Quality Control

Our 4-Acetylamino-3-Methyl-Benzenesulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at 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, oxidizing agents, and sources of ignition.

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.