Description

4H,5H-Pyrazolo[1,5-A]Pyrazin-4-One is a high-purity, heterocyclic organic compound serving as a critical advanced intermediate in modern chemical synthesis. Its fused pyrazolo-pyrazinone structure makes it a valuable building block for developing novel pharmaceuticals and agrochemicals. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries seeking to create new active molecules with specific biological properties.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for candidates targeting central nervous system (CNS) disorders, inflammation, and oncology.
• Agrochemical Research: Used as a core scaffold for developing new herbicides, fungicides, and insecticides with novel modes of action.
• Chemical Biology Probe: Serves as a starting material for creating tool compounds and probes to study biological pathways and protein functions.
• Material Science: Potential intermediate for synthesizing organic electronic materials and specialty polymers due to its heteroaromatic structure.
• Academic & Contract Research: Employed in university and CRO (Contract Research Organization) laboratories for method development and exploratory synthetic chemistry projects.

Basic Information

Product Name	4H,5H-Pyrazolo[1,5-A]Pyrazin-4-One
CAS No.	1301714-00-0
Molecular Formula	C6H5N3O
Molecular Weight	135.12 g/mol
Synonyms	4H,5H-Pyrazolo[1,5-a]pyrazin-4-one; Pyrazolo[1,5-a]pyrazin-4(5H)-one; 4H-Pyrazolo[1,5-a]pyrazin-4-one, 5H-; 1301714-00-0; 4H,5H-Pyrazolo[1,5-A]Pyrazin-4-One; 4H-Pyrazolo[1,5-a]pyrazin-4-one; Pyrazolo[1,5-a]pyrazin-4-one
EINECS	Contact for details

Quality Control

Our 4H,5H-Pyrazolo[1,5-A]Pyrazin-4-One is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis to ensure it meets the stringent requirements for advanced intermediate use. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability, consistency, and compliance with your specifications.

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. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.