Description

Pyrazolo[1,5-A]Pyrimidine-3-Carbonitrile is a versatile fused heterocyclic compound that serves as a critical synthetic intermediate in advanced organic chemistry. Its unique bicyclic structure, featuring both pyrazole and pyrimidine rings, makes it a valuable scaffold for constructing complex molecules with targeted biological and material properties. This high-purity building block is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of kinase inhibitors, antiviral agents, and other small-molecule drug candidates targeting various therapeutic areas.
• Agrochemical Research: Used as a core structure for developing new pesticides, herbicides, and fungicides with novel modes of action.
• Material Science: Serves as a building block for creating organic semiconductors, light-emitting materials, and other advanced functional materials.
• Chemical Biology: Employed in the design and synthesis of molecular probes and tool compounds for studying biological pathways.
• Academic & Contract Research: A fundamental reagent for synthetic methodology development and exploration of new heterocyclic chemistry in R&D laboratories.
• Custom Synthesis: Provides a versatile starting point for contract manufacturing organizations (CMOs) producing bespoke intermediates for client projects.

Basic Information

Product Name	Pyrazolo[1,5-A]Pyrimidine-3-Carbonitrile
CAS No.	25939-87-1
Molecular Formula	C7H4N4
Molecular Weight	144.14 g/mol
Synonyms	3-Cyanopyrazolo[1,5-a]pyrimidine; Pyrazolo[1,5-a]pyrimidine-3-carbonitrile; 1H-Pyrazolo[1,5-a]pyrimidine-3-carbonitrile; 25939-87-1; Pyrazolopyrimidine-3-carbonitrile; 3-Pyrazolo[1,5-a]pyrimidinecarbonitrile; Pyrazolo(1,5-a)pyrimidine-3-carbonitrile
EINECS	Contact for details

Quality Control

Our Pyrazolo[1,5-A]Pyrimidine-3-Carbonitrile is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical data, including HPLC purity, NMR, and mass spectrometry confirmation. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is supplied with each shipment to support your quality assurance and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at 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	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.