Description

4-(3-Pyridyloxy)Benzenesulfonyl Chloride Hydrochloride, 97% is a high-purity sulfonyl chloride derivative, a crucial reactive intermediate in modern organic synthesis. Its value lies in its dual functionality, enabling the efficient introduction of the sulfonyl group and serving as a versatile building block for creating complex molecules. This compound is essential for researchers and process chemists in the pharmaceutical and agrochemical industries, particularly for developing active ingredients and novel chemical entities. The CAS number for this product is 1171901-60-2.

Application

This specialized chemical intermediate is designed for advanced synthetic applications where precise molecular construction is required.

• Pharmaceutical Intermediate: Key building block for the synthesis of potential drug candidates, particularly in kinase inhibitor and sulfonamide-based therapeutic research.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides that require specific sulfonyl-containing scaffolds.
• Chemical Biology & Proteomics: Acts as a reactive handle for activity-based protein profiling (ABPP) and the development of chemical probes targeting specific enzymes.
• Material Science Research: Employed in the synthesis of functional polymers and advanced organic materials with tailored properties.
• Custom Synthesis & Contract Manufacturing: A critical reagent for custom synthesis houses and CDMOs (Contract Development and Manufacturing Organizations) serving the life sciences sector.

Basic Information

Item	Details
Product Name	4-(3-Pyridyloxy)Benzenesulfonyl Chloride Hydrochloride, 97%
CAS No.	1171901-60-2
Molecular Formula	C11H9Cl2NO3S
Molecular Weight	322.17 g/mol
Synonyms	4-(Pyridin-3-yloxy)benzenesulfonyl chloride hydrochloride; 3-(4-(Chlorosulfonyl)phenoxy)pyridine hydrochloride; 4-(3-Pyridinyloxy)benzenesulfonyl chloride HCl; 4-(3-Pyridyloxy)phenylsulfonyl chloride hydrochloride; Benzenesulfonyl chloride, 4-(3-pyridinyloxy)-, hydrochloride (1:1)
EINECS	Contact for details

Quality Control

Our 4-(3-Pyridyloxy)Benzenesulfonyl Chloride Hydrochloride is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (NMR, IR). We provide a detailed Certificate of Analysis (COA) with every shipment, ensuring traceability and compliance with your internal quality standards and research requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Due to its hygroscopic (moisture-sensitive) nature, it is recommended to handle the material under a dry inert atmosphere (e.g., nitrogen or argon) for long-term storage and to minimize exposure to ambient humidity during use. Recommended storage temperature is 2-8°C for extended stability.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.