Description

2-Chloro-4-Methanesulfonylpyridine is a high-value pyridine derivative and versatile chemical building block. This compound is critical for the synthesis of advanced pharmaceutical intermediates and agrochemicals, offering a reactive site for further functionalization. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for drugs targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, leveraging its pyridine core for biological activity.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in transition metal catalysis and organic synthesis.
• Material Science Research: Employed in the development of organic electronic materials and functional polymers.
• Custom Synthesis and Contract Manufacturing: A crucial building block for custom synthesis houses serving the life sciences industry.
• Academic and Industrial R&D: Used in research laboratories for method development and exploring new chemical entities.

Basic Information

Product Name	2-Chloro-4-Methanesulfonylpyridine
CAS No.	99903-03-4
Molecular Formula	C7H8ClNO2S
Molecular Weight	207.66 g/mol
Synonyms	2-Chloro-4-(methylsulfonyl)pyridine; 4-Methanesulfonyl-2-chloropyridine; 2-Chloro-4-methylsulfonylpyridine; Pyridine, 2-chloro-4-(methylsulfonyl)-; 2-Chloro-4-(methylsulphonyl)pyridine; 99903-03-4; 2-Chloro-4-methanesulphonylpyridine
EINECS	Contact for details

Quality Control

Our 2-Chloro-4-Methanesulfonylpyridine is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, confirming compliance with agreed specifications. Our quality commitment supports applications requiring GMP-grade intermediates and high-purity research chemicals.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Melting Point	Contact for details
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Water Content (KF)	≤ 0.5%

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