Description

5-(4-Fluoro-Phenyl)-2,4-Dihydro-Pyrazol-3-One is a high-purity fluorinated pyrazolone derivative, a key heterocyclic building block in advanced organic synthesis. Its value lies in its versatile reactivity, which enables the construction of complex molecular architectures for research and development. This compound is primarily needed by pharmaceutical R&D teams and fine chemical manufacturers focused on developing new active pharmaceutical ingredients (APIs) and agrochemicals.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and inflammatory diseases.
• Agrochemical Research: Serves as a core scaffold for developing new generation herbicides and fungicides, leveraging the bioactivity of the fluorinated pyrazolone structure.
• Material Science: Used in the research and development of specialty polymers and advanced organic electronic materials.
• Chemical Synthesis: Acts as a versatile building block for creating complex heterocyclic compounds in academic and industrial research laboratories.
• Bioconjugation & Probe Development: Utilized in medicinal chemistry for the design and synthesis of molecular probes and labeled compounds for biological studies.

Basic Information

Product Name	5-(4-Fluoro-Phenyl)-2,4-Dihydro-Pyrazol-3-One
CAS No.	264208-45-9
Molecular Formula	C9H7FN2O
Molecular Weight	178.16 g/mol
Synonyms	5-(4-Fluorophenyl)-4,5-dihydro-1H-pyrazol-3-one; 5-(4-Fluorophenyl)-2,4-dihydro-3H-pyrazol-3-one; 3-Pyrazolidinone, 5-(4-fluorophenyl)-; 5-(p-Fluorophenyl)-2,4-dihydropyrazol-3-one; 5-(4-Fluorophenyl)-4,5-dihydropyrazol-3(2H)-one; 5-(4-Fluorophenyl)-1H-pyrazol-3(2H)-one; 264208-45-9
EINECS	Contact for details

Quality Control

Our 5-(4-Fluoro-Phenyl)-2,4-Dihydro-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 development applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

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