Description

3-Pyridinemethanesulfonyl Chloride, Hydrochloride (1:1) is a high-purity sulfonyl chloride derivative, a critical building block in modern organic synthesis. Its primary value lies in its reactivity as a sulfonylation reagent, enabling the efficient introduction of the pyridinemethanesulfonyl moiety into target molecules. This compound is essential for researchers and process chemists in the pharmaceutical and agrochemical industries, particularly for the development of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key reagent in the synthesis of active pharmaceutical ingredients (APIs), especially for sulfonamide-based drugs.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides requiring specific sulfonyl functional groups.
• Chemical Biology & Proteomics: Acts as a versatile probe or linker for modifying proteins, peptides, and other biomolecules.
• Material Science Research: Employed in the creation of novel polymers and functional materials with tailored properties.
• Custom Synthesis & Contract Manufacturing: A vital starting material for custom synthesis projects and scale-up processes in fine chemical production.

Basic Information

Product Name	3-Pyridinemethanesulfonyl Chloride, Hydrochloride (1:1)
CAS No.	191105-35-8
Molecular Formula	C7H8ClNO2S • HCl
Molecular Weight	246.57 g/mol
Synonyms	3-Pyridylmethanesulfonyl Chloride Hydrochloride; (Pyridin-3-yl)methanesulfonyl Chloride Hydrochloride; 3-Pyridinemethanesulfonyl Chloride HCl; 3-Pyridylmethylsulfonyl Chloride Hydrochloride; 3-Pyridine Methanesulfonyl Chloride Hydrochloride Salt; 3-Pyridylmethanesulfonyl Chloride Monohydrochloride
EINECS	Contact for details

Quality Control

Our 3-Pyridinemethanesulfonyl Chloride, Hydrochloride (1:1) is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for research and industrial synthesis. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, identity, and impurity profiles. Our quality management system is designed to meet the stringent requirements of GMP and ISO standards for fine chemical production.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation upon prolonged exposure to air.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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