Description

2-(3-Fluorophenyl)Pyrazolo[1,5-A]Pyrazin-4(5H)-One is a high-purity fluorinated heterocyclic compound, serving as a critical advanced pharmaceutical intermediate. Its value lies in its unique pyrazolo[1,5-a]pyrazinone scaffold, which is a privileged structure in medicinal chemistry for developing novel bioactive molecules. This compound is primarily needed by R&D and production teams in the pharmaceutical and agrochemical industries for the synthesis of new drug candidates and crop protection agents.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel kinase inhibitors and other small-molecule therapeutics.
• Medicinal Chemistry Research: Used in high-throughput screening and structure-activity relationship (SAR) studies to explore new pharmacophores.
• Agrochemical Development: Serves as a precursor in the research and synthesis of new-generation fungicides or herbicides.
• Chemical Biology Probes: Utilized in the development of fluorescent or affinity probes for target identification and validation.
• Organic Synthesis: A versatile fluorinated synthon for constructing complex heterocyclic libraries for discovery programs.

Basic Information

Product Name	2-(3-Fluorophenyl)Pyrazolo[1,5-A]Pyrazin-4(5H)-One
CAS No.	1338651-03-8
Molecular Formula	C12H8FN3O
Molecular Weight	229.21 g/mol
Synonyms	2-(3-Fluorophenyl)-4,5-dihydropyrazolo[1,5-a]pyrazin-4-one; 2-(3-Fluorophenyl)-5H-pyrazolo[1,5-a]pyrazin-4-one; 1338651-03-8; Pyrazolo[1,5-a]pyrazin-4(5H)-one, 2-(3-fluorophenyl)-; 2-(3-Fluorophenyl)pyrazolo[1,5-a]pyrazin-4-one; 4(5H)-Pyrazolo[1,5-a]pyrazinone, 2-(3-fluorophenyl)-
EINECS	Contact for details

Quality Control

Our 2-(3-Fluorophenyl)Pyrazolo[1,5-A]Pyrazin-4(5H)-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical R&D. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical characteristics is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and should be handled under dry conditions to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white 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.