Description

3-(Aminocarbonyl)-4-Methoxybenzenesulfonyl 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 for research and industrial applications. This intermediate is primarily needed by pharmaceutical R&D teams and fine chemical manufacturers developing active pharmaceutical ingredients (APIs), agrochemicals, and specialty dyes.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of sulfonamide-based drug candidates, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Building block for creating novel herbicides, fungicides, and plant growth regulators with sulfonyl urea or sulfonamide moieties.
• Dyestuff & Pigment Production: Used in the manufacture of specialized azo dyes and high-performance pigments requiring sulfonyl chloride chemistry.
• Polymer Chemistry: Monomer or cross-linking agent for producing specialty polymers with specific functional groups.
• Chemical Research & Development: Versatile reagent in academic and industrial labs for exploring new synthetic pathways and creating compound libraries.
• Material Science: Intermediate for surface modification agents and functional materials.

Basic Information

Product Name	3-(Aminocarbonyl)-4-Methoxybenzenesulfonyl Chloride
CAS No.	77718-16-2
Molecular Formula	C8H8ClNO4S
Molecular Weight	249.67 g/mol
Synonyms	4-Methoxy-3-carbamoylbenzenesulfonyl Chloride; 3-Carbamoyl-4-methoxybenzenesulfonyl Chloride; 4-Methoxy-3-aminocarbonylbenzenesulfonyl Chloride; 3-Aminocarbonyl-4-methoxybenzene-1-sulfonyl Chloride; 4-Methoxy-3-ureidobenzenesulfonyl Chloride; 77718-16-2; 3-Carbamoyl-4-methoxybenzene-1-sulfonyl chloride
EINECS	Contact for details

Quality Control

Our 3-(Aminocarbonyl)-4-Methoxybenzenesulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical and fine chemical synthesis. 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 a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from heat, open flames, and incompatible materials such as strong bases, amines, and alcohols.

Specification

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

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