Description

4-Chloro-3-Ethyl-5-(Trifluoromethyl)-1H-Pyrazole is a high-value, multi-functional heterocyclic building block characterized by its unique halogenated and fluorinated structure. This compound matters for its critical role as a versatile intermediate in the synthesis of advanced agrochemicals and pharmaceuticals, where it imparts desirable biological activity and metabolic stability. Industrial and academic researchers in the agrochemical, pharmaceutical, and specialty chemical sectors need this precise molecule for developing new active ingredients and functional materials.

Application

• Key synthetic intermediate for novel herbicides, fungicides, and insecticides in agrochemical R&D.
• Building block in pharmaceutical research for the synthesis of potent active pharmaceutical ingredients (APIs) with fluorinated motifs.
• Precursor for the development of specialty chemicals and functional materials.
• Versatile scaffold in medicinal chemistry for creating compound libraries and probing structure-activity relationships (SAR).
• Intermediate for dyes, pigments, and advanced polymer modifications.
• Used in academic and industrial research as a standard reagent for heterocyclic chemistry studies.

Basic Information

Product Name	4-Chloro-3-Ethyl-5-(Trifluoromethyl)-1H-Pyrazole
CAS No.	637022-66-3
Molecular Formula	C6H6ClF3N2
Molecular Weight	198.57 g/mol
Synonyms	4-Chloro-3-ethyl-5-(trifluoromethyl)-1H-pyrazole; 1H-Pyrazole, 4-chloro-3-ethyl-5-(trifluoromethyl)-; 3-Ethyl-4-chloro-5-trifluoromethylpyrazole; 4-Chloro-3-ethyl-5-trifluoromethyl-1H-pyrazole; 4-Chloro-3-ethyl-5-(trifluoromethyl)pyrazole
EINECS	Contact for details

Quality Control

Our 4-Chloro-3-Ethyl-5-(Trifluoromethyl)-1H-Pyrazole is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specified parameters to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases and fluorides. The container must be kept tightly closed in a dry and inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.