Description

Pyrazolo[1,5-A]Pyrimidine-3-Carbonitrile, 4,7-Dihydro-7-Oxo- is a high-value, nitrogen-rich heterocyclic building block with significant synthetic utility. This compound serves as a critical intermediate in the development of novel pharmaceuticals and agrochemicals, enabling the construction of complex molecular architectures. It is primarily sought after by research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries for creating new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of kinase inhibitors, antiviral agents, and other biologically active small molecule drugs.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Organic Synthesis Building Block: Employed in constructing complex fused pyrimidine derivatives for material science and catalysis research.
• Chemical Biology Probe Development: Serves as a scaffold for creating molecular probes to study enzyme function and biological pathways.
• Fine Chemical Synthesis: Utilized in custom synthesis and contract manufacturing for producing specialized, high-value compounds.

Basic Information

Product Name	Pyrazolo[1,5-A]Pyrimidine-3-Carbonitrile, 4,7-Dihydro-7-Oxo-
CAS No.	138904-48-0
Molecular Formula	C7H4N4O
Molecular Weight	160.14 g/mol
Synonyms	4,7-Dihydro-7-oxopyrazolo[1,5-a]pyrimidine-3-carbonitrile; 7-Oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carbonitrile; Pyrazolo[1,5-a]pyrimidine-3-carbonitrile, 4,7-dihydro-7-oxo-; 138904-48-0; 4,7-Dihydro-7-oxo-3-pyrazolo[1,5-a]pyrimidinecarbonitrile; 3-Cyano-4,7-dihydro-7-oxopyrazolo[1,5-a]pyrimidine
EINECS	Contact for details

Quality Control

Our Pyrazolo[1,5-A]Pyrimidine-3-Carbonitrile, 4,7-Dihydro-7-Oxo- is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance and regulatory needs.

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 incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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