Description

3-Chloro-4-Methylsulfonylaniline is a high-purity, functionalized aniline derivative characterized by its sulfonyl and chloro substituents. This compound serves as a versatile and critical pharmaceutical intermediate and organic synthesis building block, enabling the construction of complex molecules with specific biological activities. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for the development of new active ingredients.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for sulfonamide-based drugs.
• Agrochemical Synthesis: Building block for developing novel herbicides, fungicides, and pesticides.
• Dye and Pigment Manufacturing: Intermediate in the production of specialized azo dyes and organic pigments.
• Organic Light-Emitting Diodes (OLEDs): Potential intermediate for electron-transport or host materials in electronic applications.
• Polymer Modification: Used to introduce functional aniline groups into polymer chains for enhanced properties.
• Research & Development: Valuable reagent in academic and industrial R&D for exploring new chemical entities and reaction pathways.

Basic Information

Product Name	3-Chloro-4-Methylsulfonylaniline
CAS No.	23153-12-0
Molecular Formula	C7H8ClNO2S
Molecular Weight	205.66 g/mol
Synonyms	3-Chloro-4-(methylsulfonyl)aniline; 4-Amino-2-chloro-1-methylsulfonylbenzene; 2-Chloro-4-aminophenyl methyl sulfone; Benzenamine, 3-chloro-4-(methylsulfonyl)-; 3-Chloro-4-methanesulfonylaniline; 3-Chloro-p-anisidine sulfone; 4-Methylsulfonyl-3-chloroaniline
EINECS	Contact for details

Quality Control

Our 3-Chloro-4-Methylsulfonylaniline is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee compliance with your project specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from heat, sparks, and open flame.

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	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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