Description

3-Methoxy-4-Nitrobenzene-1-Sulfonyl Chloride is a specialized aromatic sulfonyl chloride derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its dual functional groups, which allow for selective reactions to construct complex molecular architectures. This high-purity intermediate is essential for research and development chemists and process engineers in the pharmaceutical and agrochemical industries, particularly for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key reagent in the synthesis of sulfonamide-based drug candidates, including enzyme inhibitors and receptor antagonists.
• Agrochemical Synthesis: Used in the development of new herbicides, fungicides, and insecticides requiring sulfonyl moiety incorporation.
• Dye and Pigment Manufacturing: Acts as a precursor for creating sulfonated azo dyes and other colorants with enhanced properties.
• Polymer Chemistry: Employed as a monomer or cross-linking agent in the production of specialty polymers and functional materials.
• Chemical Research: A versatile building block in academic and industrial R&D for exploring new chemical entities and reaction pathways.
• Ligand and Catalyst Development: Useful for synthesizing specialized ligands for metal complexes and catalysts.

Basic Information

Product Name	3-Methoxy-4-Nitrobenzene-1-Sulfonyl Chloride
CAS No.	1261646-30-3
Molecular Formula	C7H6ClNO5S
Molecular Weight	251.64 g/mol
Synonyms	4-Nitro-3-methoxybenzenesulfonyl chloride; 3-Methoxy-4-nitrobenzenesulfonyl chloride; 1-(Chlorosulfonyl)-3-methoxy-4-nitrobenzene; 4-Nitro-3-methoxybenzene-1-sulfonyl chloride; 3-Methoxy-4-nitro-1-benzenesulfonyl chloride; 3-Methoxy-4-nitrophenylsulfonyl chloride; Veratrole-4-nitro sulfonyl chloride (related); Contact for details on additional trade names.
EINECS	Contact for details

Quality Control

Every batch of 3-Methoxy-4-Nitrobenzene-1-Sulfonyl Chloride is manufactured and tested under a strict quality management system. We ensure compliance with relevant industry standards for fine chemical intermediates. Comprehensive testing, including identity confirmation, purity assay, and impurity profiling, is performed. A Certificate of Analysis (COA) detailing all specifications and results is provided with each shipment to guarantee traceability and consistency for your critical processes.

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). This material is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent decomposition. Keep away from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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