Description

3-Methyl-4-Nitrobenzene-1-Sulfonyl Chloride is a versatile and high-purity sulfonyl chloride derivative, essential as a key synthetic intermediate in advanced organic synthesis. Its primary value lies in its reactivity, enabling the introduction of the sulfonyl functional group to construct complex molecular architectures with precision. This compound is critically needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of novel drug candidates, particularly for creating sulfonamide-based therapeutics with potential antibacterial, diuretic, or anticancer activity.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and pesticides, where the sulfonyl moiety contributes to biological activity and selectivity.
• Dye and Pigment Manufacturing: Serves as a precursor for synthesizing sulfonated dyes and pigments, enhancing solubility and color fastness properties.
• Polymer Chemistry: Employed as a modifying agent or cross-linking monomer to introduce specific functional groups into polymer chains, altering material properties.
• Chemical Research & Development: A valuable reagent in academic and industrial R&D labs for exploring new reaction pathways and creating specialized chemical libraries.
• Ligand and Catalyst Preparation: Used to functionalize ligands for metal complexes or to create organocatalysts used in asymmetric synthesis.

Basic Information

Item	Detail
Product Name	3-Methyl-4-Nitrobenzene-1-Sulfonyl Chloride
CAS No.	78726-75-7
Molecular Formula	C7H6ClNO4S
Molecular Weight	235.64 g/mol
Synonyms	4-Nitro-3-methylbenzenesulfonyl chloride; 3-Methyl-4-nitrobenzenesulfonyl chloride; 2-Methyl-5-nitrobenzenesulfonyl chloride; 5-Nitro-o-toluenesulfonyl chloride; 4-Nitro-m-toluenesulfonyl chloride; 2-Methyl-5-nitrobenzene-1-sulfonyl chloride; NSC 403803; 78726-75-7
EINECS	Contact for details

Quality Control

Every batch of 3-Methyl-4-Nitrobenzene-1-Sulfonyl Chloride is manufactured and tested under a strict Quality Management System. We ensure compliance with relevant industry standards through rigorous analytical protocols, including HPLC, GC, and NMR, to guarantee identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 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 from atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow 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.