Description

5-Bromo-1-Methyl-3-(Trifluoromethyl)-1H-Pyrazole is a high-value, multi-functional heterocyclic building block essential for advanced organic synthesis. Its unique structure, featuring both bromine and trifluoromethyl substituents, makes it a critical intermediate for introducing specific functionalities into target molecules. This compound is primarily sought after by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the creation of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the development of active pharmaceutical ingredients (APIs), particularly in medicinal chemistry programs targeting new therapeutics.
• Agrochemical Synthesis: Used in the research and production of advanced crop protection agents, including herbicides, fungicides, and insecticides, leveraging the bioactivity of the pyrazole core.
• Material Science Research: Serves as a precursor for synthesizing specialized ligands, functional polymers, and advanced organic electronic materials.
• Chemical Biology & Proteomics: Employed as a building block for creating molecular probes, tags, and inhibitors used in biochemical research and drug discovery.
• Custom Synthesis & Contract Manufacturing: A vital starting material for custom synthesis houses and CDMOs (Contract Development and Manufacturing Organizations) serving global clients.

Basic Information

Product Name	5-Bromo-1-Methyl-3-(Trifluoromethyl)-1H-Pyrazole
CAS No.	524740-42-9
Molecular Formula	C5H4BrF3N2
Molecular Weight	229.00 g/mol
Synonyms	5-Bromo-1-methyl-3-(trifluoromethyl)-1H-pyrazole; 1-Methyl-5-bromo-3-(trifluoromethyl)pyrazole; 3-(Trifluoromethyl)-5-bromo-1-methyl-1H-pyrazole; 5-Bromo-1-methyl-3-trifluoromethylpyrazole; 1H-Pyrazole, 5-bromo-1-methyl-3-(trifluoromethyl)-; 524740-42-9
EINECS	Contact for details

Quality Control

Every batch of 5-Bromo-1-Methyl-3-(Trifluoromethyl)-1H-Pyrazole is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the compound meets the high-purity standards required for research and development. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied with each shipment, supporting your regulatory and quality documentation needs.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.