Description

2-(4-Fluorophenyl)-5-Phenyl-1H-Pyrazol-3-One is a high-value fluorinated pyrazolone derivative, a key heterocyclic building block prized for its unique structural motif. This compound is essential for research and development in advanced organic synthesis, particularly in the creation of novel pharmacologically active molecules. It is primarily sought by pharmaceutical R&D laboratories and fine chemical manufacturers developing new active pharmaceutical ingredients (APIs) and agrochemicals.

Application

• Pharmaceutical Intermediate: A crucial scaffold in the synthesis of novel drug candidates targeting a range of therapeutic areas.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging the bioactivity of the pyrazolone core.
• Material Science: Serves as a precursor for specialty polymers, ligands, or organic electronic materials due to its conjugated system.
• Chemical Biology & Proteomics: Employed as a building block for designing molecular probes and enzyme inhibitors.
• Academic & Industrial R&D: Fundamental research compound for studying heterocyclic chemistry, fluorination effects, and structure-activity relationships (SAR).
• Custom Synthesis & Contract Manufacturing: A key starting material for custom synthesis projects requiring complex, fluorinated heterocycles.

Basic Information

Product Name	2-(4-Fluorophenyl)-5-Phenyl-1H-Pyrazol-3-One
CAS No.	692266-15-2
Molecular Formula	C15H11FN2O
Molecular Weight	254.26 g/mol
Synonyms	3H-Pyrazol-3-one, 2-(4-fluorophenyl)-4,5-dihydro-5-phenyl-; 5-Phenyl-2-(4-fluorophenyl)-2,4-dihydro-3H-pyrazol-3-one; 2-(4-Fluorophenyl)-5-phenyl-1H-pyrazol-3(2H)-one; 2-(p-Fluorophenyl)-5-phenyl-3-pyrazolone; 4,5-Dihydro-5-phenyl-2-(4-fluorophenyl)-3H-pyrazol-3-one; Fluorophenyl phenylpyrazolone; FPPO
EINECS	Contact for details

Quality Control

Our 2-(4-Fluorophenyl)-5-Phenyl-1H-Pyrazol-3-One is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP standards for advanced intermediate production.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Conforms to reference standard
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.