Description

5-[1-Methyl-3-(Trifluoromethyl)Pyrazol-5-Yl]Thiophene2-Sulfonyl Chloride is a high-value, multi-functional chemical intermediate characterized by its reactive sulfonyl chloride group and heterocyclic structure. This compound is essential for the synthesis of advanced molecules, offering a critical building block for introducing specific functional groups into target compounds. It is primarily sought after by research and development teams in the pharmaceutical and agrochemical industries for creating novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for candidates targeting metabolic and central nervous system disorders.
• Agrochemical Synthesis: Used in the development of next-generation herbicides, fungicides, and insecticides, leveraging the pyrazole and thiophene motifs for bioactivity.
• Material Science Research: Serves as a monomer or cross-linking agent in the development of specialty polymers and advanced organic electronic materials.
• Chemical Biology Probes: Employed in the creation of sulfonamide-based probes and inhibitors for studying enzyme function and protein interactions.
• Custom Synthesis & Contract Manufacturing: A vital starting material for custom synthesis projects and contract research organizations (CROs/CMOs) serving the life sciences sector.

Basic Information

Product Name	5-[1-Methyl-3-(Trifluoromethyl)Pyrazol-5-Yl]Thiophene2-Sulfonyl Chloride
CAS No.	230295-11-1
Molecular Formula	C9H6F3N2O2S2Cl
Molecular Weight	330.73 g/mol
Synonyms	5-(1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl)thiophene-2-sulfonyl chloride; 2-Thiophenesulfonyl chloride, 5-[1-methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl]-; 5-(1-Methyl-3-trifluoromethylpyrazol-5-yl)thiophene-2-sulfonyl chloride; 5-(1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-yl)-2-thiophenesulfonyl chloride; 230295-11-1; 5-(1-Methyl-3-(trifluoromethyl)pyrazol-5-yl)thiophene-2-sulfonyl chloride
EINECS	Contact for details

Quality Control

Our production of 5-[1-Methyl-3-(Trifluoromethyl)Pyrazol-5-Yl]Thiophene2-Sulfonyl Chloride adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with each shipment, confirming compliance with agreed specifications. Our quality system is designed to support cGMP and ISO standards for traceability and reliability.

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). This product is hygroscopic (moisture-sensitive) and should be handled under anhydrous conditions or a dry inert atmosphere to prevent decomposition. Keep away from heat, open flames, and incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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