Description

1-Methyl-3-Thien-2-Yl-5-(Trifluoromethyl)-1H-Pyrazole is a high-value, heterocyclic organic compound featuring a pyrazole core substituted with thiophene and trifluoromethyl groups. This unique molecular architecture makes it a critical advanced pharmaceutical intermediate and a versatile building block for the synthesis of complex molecules. It is primarily sought after by R&D and production teams in the pharmaceutical, agrochemical, and material science industries for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly in central nervous system (CNS) and anti-inflammatory therapeutic areas.
• Agrochemical Research: Serves as a core scaffold for developing new-generation pesticides and herbicides with enhanced efficacy.
• Material Science: Building block for creating specialty polymers, liquid crystals, and organic electronic materials due to its electron-deficient trifluoromethyl group.
• Chemical Synthesis: Versatile reagent for constructing complex heterocyclic systems in medicinal and process chemistry.
• Life Science Research: Used as a biochemical tool and reference standard in academic and industrial research laboratories.

Basic Information

Product Name	1-Methyl-3-Thien-2-Yl-5-(Trifluoromethyl)-1H-Pyrazole
CAS No.	650615-64-8
Molecular Formula	C9H7F3N2S
Molecular Weight	232.23 g/mol
Synonyms	1-Methyl-3-(thiophen-2-yl)-5-(trifluoromethyl)-1H-pyrazole; 3-(2-Thienyl)-1-methyl-5-(trifluoromethyl)pyrazole; 5-(Trifluoromethyl)-1-methyl-3-(2-thienyl)-1H-pyrazole; 1-Methyl-3-(2-thienyl)-5-(trifluoromethyl)pyrazole; 650615-64-8; 1H-Pyrazole, 1-methyl-3-(2-thienyl)-5-(trifluoromethyl)-
EINECS	Contact for details

Quality Control

Our 1-Methyl-3-Thien-2-Yl-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 high purity and batch-to-batch consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Residual Solvents (GC)	Complies with ICH guidelines
Water Content (KF)	≤ 0.5%

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