Description

2-Chloro-3-Pyridyl 4-Chlorobenzene-1-Sulfonate is a specialized organic sulfonate ester compound of significant interest in advanced chemical synthesis. This high-purity intermediate is valued for its precise molecular structure, which serves as a critical building block in the development of complex active ingredients. It is primarily sought by research institutions and manufacturers in the agrochemical and pharmaceutical sectors for the synthesis of novel crop protection agents and bioactive molecules.

Application

• Agrochemical Intermediate: A key precursor in the synthesis of modern insecticides and herbicides, particularly those targeting specific biological pathways.
• Pharmaceutical Research: Used as a versatile building block in medicinal chemistry for creating potential drug candidates and pharmacologically active compounds.
• Chemical Synthesis: Serves as a reactive intermediate in organic synthesis for constructing complex pyridine and sulfonate-containing molecular architectures.
• Material Science: Investigated for the development of specialty polymers and functional materials with specific chemical properties.

Basic Information

Product Name	2-Chloro-3-Pyridyl 4-Chlorobenzene-1-Sulfonate
CAS No.	219930-49-1
Molecular Formula	C12H9Cl2NO3S
Molecular Weight	318.17 g/mol
Synonyms	4-Chlorobenzenesulfonic Acid 2-Chloro-3-pyridyl Ester; 2-Chloro-3-pyridyl 4-chlorobenzenesulfonate; 4-Chlorobenzene-1-sulfonic Acid (2-Chloro-3-pyridyl) Ester; 2-Chloro-3-pyridinyl 4-chlorobenzenesulfonate; 1-(2-Chloro-3-pyridyloxy)sulfonyl-4-chlorobenzene; p-Chlorobenzenesulfonyl Chloride 2-Chloro-3-pyridyl Ester (related intermediate); 219930-49-1
EINECS	Contact for details

Quality Control

We maintain stringent quality control protocols for this intermediate, ensuring batch-to-batch consistency and high purity suitable for sensitive synthesis applications. Our standard grade typically meets a purity specification of ≥97% (by HPLC), with comprehensive testing for identity and key impurities. A Certificate of Analysis (COA) is provided with each shipment, detailing all relevant analytical results. Custom purity grades and specifications are available to meet specific project requirements.

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). Keep away from heat, open flames, and incompatible materials. Due to its light-sensitive nature, containers should be kept in opaque packaging or amber glass.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Loss on Drying	≤ 0.5%

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