Description

5-Chloro-2-Methoxybenzenesulfonyl Chloride is a versatile and highly reactive sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its primary value lies in its ability to act as a sulfonylation agent, facilitating the introduction of the sulfonyl functional group into target molecules. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, where it is used to create novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of sulfonamide-based drugs, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Building block for developing new herbicides, fungicides, and pesticides with sulfonylurea or sulfonamide moieties.
• Dyestuff and Pigment Production: Used in the manufacture of specialty dyes and pigments, contributing to color fastness and stability.
• Polymer Chemistry: Acts as a modifying agent or cross-linking monomer in the production of specialty polymers and resins.
• Chemical Research & Development: A valuable reagent for exploring new synthetic pathways and creating compound libraries for screening.
• Ligand and Catalyst Design: Employed in the preparation of specialized ligands for metal catalysis and coordination chemistry.

Basic Information

Product Name	5-Chloro-2-Methoxybenzenesulfonyl Chloride
CAS No.	22952-32-5
Molecular Formula	C7H6Cl2O3S
Molecular Weight	241.09 g/mol
Synonyms	2-Methoxy-5-chlorobenzenesulfonyl chloride; 5-Chloro-2-methoxybenzene-1-sulfonyl chloride; 1-Chloro-4-methoxy-2-sulfonylchloridebenzene; 2-Methoxy-5-chlorophenylsulfonyl chloride; Benzenesulfonyl chloride, 5-chloro-2-methoxy-; 5-Chloro-o-anisylsulfonyl chloride
EINECS	Contact for details

Quality Control

Our 5-Chloro-2-Methoxybenzenesulfonyl Chloride is produced under stringent quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and IR for structural confirmation, to ensure it meets exacting standards for research and industrial use. A detailed Certificate of Analysis (COA) is provided with each shipment, guaranteeing traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure containers are sealed immediately after use to prevent degradation from atmospheric moisture.

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.