Description

5-Fluoro-6-Methoxypyridine-2-Sulfonyl Chloride is a high-value, multi-functional chemical intermediate essential for advanced synthesis. Its core value lies in its reactive sulfonyl chloride group, which serves as a key building block for creating sulfonamides and other complex molecular architectures. This compound is primarily needed by research institutions and manufacturers in the pharmaceutical and agrochemical industries for developing new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel drug candidates, particularly in medicinal chemistry for creating sulfonamide-based therapeutics.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides, leveraging its pyridine core for bioactivity.
• Material Science Research: Serves as a building block for designing functional polymers and advanced organic materials with specific properties.
• Chemical Biology Probes: Employed in the creation of activity-based probes and labeling reagents for studying enzyme function and protein interactions.
• Custom Synthesis & Contract Manufacturing: A key starting material for custom synthesis projects and scale-up processes in fine chemical production.

Basic Information

Product Name	5-Fluoro-6-Methoxypyridine-2-Sulfonyl Chloride
CAS No.	1261783-55-4
Molecular Formula	C6H5ClFNO3S
Molecular Weight	225.62 g/mol
Synonyms	2-Pyridinesulfonyl chloride, 5-fluoro-6-methoxy-; 5-Fluoro-6-methoxy-2-pyridinesulfonyl chloride; 6-Methoxy-5-fluoropyridine-2-sulfonyl chloride; 1261783-55-4; 5-Fluoro-6-methoxypyridine-2-sulfonylchloride; 5-Fluoro-6-methoxy-2-sulfonylchloridopyridine; 2-Sulfonylchlorido-5-fluoro-6-methoxypyridine
EINECS	Contact for details

Quality Control

Our 5-Fluoro-6-Methoxypyridine-2-Sulfonyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure high purity and consistency. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available for every shipment to support your quality assurance and regulatory needs.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation. Keep away from heat, sparks, open flames, and incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.