Description

4-Fluoro-1-Methyl-1H-Pyrazole is a versatile fluorinated heterocyclic building block of significant importance in modern synthetic chemistry. Its value lies in the strategic introduction of both fluorine and a nitrogen-containing pyrazole ring, enabling the fine-tuning of physicochemical properties in target molecules. This compound is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and advanced intermediates.

Application

• Pharmaceutical Intermediate: A key synthon for the development of active pharmaceutical ingredients (APIs), particularly in medicinal chemistry programs targeting kinase inhibitors, anti-inflammatory agents, and central nervous system (CNS) drugs.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and insecticides, where the fluorine atom enhances bioavailability and environmental stability.
• Material Science Precursor: Serves as a building block for specialty polymers, liquid crystals, and organic electronic materials due to its rigid heterocyclic structure.
• Chemical Research & Development: Employed in academic and industrial R&D labs for method development, catalysis studies, and the creation of novel chemical libraries for screening.
• Fluorine Chemistry: An essential reagent for introducing fluorine into complex molecular architectures, leveraging the reactivity of the pyrazole ring for further functionalization.

Basic Information

Product Name	4-Fluoro-1-Methyl-1H-Pyrazole
CAS No.	69843-14-7
Molecular Formula	C4H5FN2
Molecular Weight	100.10 g/mol
Synonyms	1-Methyl-4-fluoropyrazole; 4-Fluoro-1-methylpyrazole; 4-Fluoro-1H-pyrazole, 1-methyl-; 1-Methyl-4-fluoro-1H-pyrazole; 4-Fluor-1-methyl-1H-pyrazol; 69843-14-7 (CAS); 4-Fluoro-1-methylpyrazole (primary synonym); 1-Methyl-4-fluoro-pyrazole
EINECS	Contact for details

Quality Control

Our 4-Fluoro-1-Methyl-1H-Pyrazole is produced under strict quality management protocols. We offer material suitable for research and development purposes, with typical purity levels meeting the demands of advanced synthetic applications. Each batch is analyzed to ensure identity, purity, and consistency. Certificates of Analysis (COA) are available upon request to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Recommended storage temperature is between 2°C and 8°C for long-term stability. Keep away from heat, sparks, and open flame. The container should be kept tightly sealed in a dry environment to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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