Description

1-[2,6-Dichloro-4-(Trifluoromethyl)Phenyl]-1,2-Dihydro-3H-Pyrazol-3-One CAS NO 939044-45-8 is a high-purity, advanced pharmaceutical intermediate characterized by its unique halogenated pyrazolone structure. This compound is of critical importance for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in the agrochemical and pharmaceutical research sectors. It is primarily sought by R&D chemists and process development scientists working on the next generation of crop protection agents and therapeutic molecules.

Application

• Key Intermediate for Agrochemicals: Serves as a crucial building block in the synthesis of modern herbicides and pesticides, leveraging its trifluoromethyl and dichloro substituents for enhanced bioactivity.
• Pharmaceutical Research & Development: Used in medicinal chemistry for constructing pyrazolone-based scaffolds in drug discovery programs targeting various disease pathways.
• Chemical Synthesis: Functions as a versatile precursor for further functionalization, enabling the creation of complex molecules for material science and specialty chemicals.
• Reference Standard: Supplied as a high-purity compound for analytical testing, method development, and quality control in manufacturing environments.

Basic Information

Product Name	1-[2,6-Dichloro-4-(Trifluoromethyl)Phenyl]-1,2-Dihydro-3H-Pyrazol-3-One
CAS No.	939044-45-8
Molecular Formula	C10H5Cl2F3N2O
Molecular Weight	297.06 g/mol
Synonyms	3H-Pyrazol-3-one, 1-[2,6-dichloro-4-(trifluoromethyl)phenyl]-1,2-dihydro-; 1-(2,6-Dichloro-4-trifluoromethylphenyl)-1,2-dihydro-3H-pyrazol-3-one; 1-(2,6-Dichloro-α,α,α-trifluoro-p-tolyl)-1,2-dihydro-3H-pyrazol-3-one; 939044-45-8; Pyrazolone derivative intermediate; Halogenated pyrazolone.
EINECS	Contact for details

Quality Control

Our 1-[2,6-Dichloro-4-(Trifluoromethyl)Phenyl]-1,2-Dihydro-3H-Pyrazol-3-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for research and synthesis. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

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 incompatible materials such as strong bases and reducing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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