Description

1-[3-Chloro-5-(Trifluoromethyl)Pyridin-2-Yl]-1H-Pyrazole-4-Sulfonyl Chloride is a high-value, multi-functional chemical intermediate designed for advanced synthesis. This compound matters for its role as a key building block in the development of modern agrochemicals and pharmaceuticals, enabling the introduction of critical sulfonyl and heterocyclic functionalities. It is primarily needed by R&D chemists and process development scientists in the crop protection and pharmaceutical industries seeking to create novel active ingredients with enhanced properties.

Application

• Agrochemical Intermediate: A critical precursor in the synthesis of next-generation sulfonylurea and sulfonamide herbicides and insecticides.
• Pharmaceutical Building Block: Used in medicinal chemistry research for constructing drug candidates targeting various diseases.
• Chemical Synthesis Reagent: Serves as a versatile sulfonylating agent in organic synthesis for introducing the sulfonyl chloride group into complex molecules.
• Material Science Research: Potential use in creating functionalized polymers or ligands for catalytic systems.

Basic Information

Item	Details
Product Name	1-[3-Chloro-5-(Trifluoromethyl)Pyridin-2-Yl]-1H-Pyrazole-4-Sulfonyl Chloride
CAS No.	1156603-00-7
Molecular Formula	C10H4Cl2F3N3O2S
Molecular Weight	346.12 g/mol
Synonyms	1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-1H-pyrazole-4-sulfonyl chloride; 1H-Pyrazole-4-sulfonyl chloride, 1-[3-chloro-5-(trifluoromethyl)-2-pyridinyl]-; 1156603-00-7; 3-Chloro-5-(trifluoromethyl)-2-(4-(chlorosulfonyl)-1H-pyrazol-1-yl)pyridine; 1-(3-Chloro-5-trifluoromethyl-pyridin-2-yl)-1H-pyrazole-4-sulfonyl chloride
EINECS	Contact for details

Quality Control

Our 1-[3-Chloro-5-(Trifluoromethyl)Pyridin-2-Yl]-1H-Pyrazole-4-Sulfonyl Chloride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting full specifications are available upon request to support your quality assurance and regulatory compliance needs.

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, the container should be kept sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation. Recommended storage temperature is 2-8°C for long-term stability.

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.