Description

3-Pyridinesulfonyl Chloride is a versatile and reactive organosulfur compound that serves as a critical building block in advanced organic synthesis. Its primary value lies in its ability to act as a sulfonylation reagent, facilitating the introduction of the pyridine-3-sulfonyl moiety into target molecules. This functionality is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, where it is used to develop novel active ingredients and fine chemicals. The compound is particularly valuable for creating sulfonamide derivatives with potential biological activity.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of sulfonamide-based drug candidates, including kinase inhibitors and other small molecule therapeutics.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides that incorporate sulfonyl functional groups.
• Chemical Research & Development: A valuable reagent in academic and industrial R&D labs for exploring new synthetic pathways and creating specialized chemical libraries.
• Material Science: Potential precursor for modifying polymer surfaces or creating functional materials with specific sulfonyl properties.
• Ligand Synthesis: Useful for preparing specialized ligands for catalysis or metal complexation in coordination chemistry.

Basic Information

Product Name	3-Pyridinesulfonyl Chloride
CAS No.	813222-82-1
Molecular Formula	C5H4ClNO2S
Molecular Weight	177.61 g/mol
Synonyms	Pyridine-3-sulfonyl chloride; 3-Pyridylsulfonyl chloride; 3-Pyridinesulfonic acid chloride; Nicotinesulfonyl chloride; 3-Sulfonylchloridopyridine; 3-Pyridinesulphonyl chloride; 3-Pyridine sulfonyl chloride
EINECS	Contact for details

Quality Control

Our 3-Pyridinesulfonyl Chloride is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure high purity and consistent performance. We provide detailed Certificates of Analysis (COA) with every shipment, documenting key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, supporting its use in regulated research and development.

Storage

Preserve in a tightly closed container, protected from light. Due to its hygroscopic (moisture-sensitive) nature, the container must be kept in a cool, dry place. For long-term storage, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) at a controlled room temperature (15-25°C). Keep away from moisture, strong bases, and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%

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