Description

5,7-Dichloro-3-cyclopropyl-pyrazolo[1,5-a]pyrimidine is a high-purity, heterocyclic organic compound serving as a critical advanced intermediate in modern chemical synthesis. Its unique pyrazolopyrimidine scaffold, functionalized with chloro and cyclopropyl groups, makes it a valuable building block for constructing complex molecules with targeted biological activity. This compound is primarily utilized by research institutions and pharmaceutical development companies engaged in the discovery of new active pharmaceutical ingredients (APIs) and agrochemicals.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of novel drug candidates, particularly in kinase inhibitor programs.
• Agrochemical Synthesis: Used as a precursor in the design and synthesis of new-generation herbicides and fungicides.
• Chemical Research: Serves as a versatile scaffold in medicinal chemistry for structure-activity relationship (SAR) studies and library synthesis.
• Material Science: Potential intermediate for the development of specialty chemicals and functional materials.

Basic Information

Product Name	5,7-Dichloro-3-cyclopropyl-pyrazolo[1,5-a]pyrimidine
CAS No.	673475-51-9
Molecular Formula	C9H6Cl2N4
Molecular Weight	241.08 g/mol
Synonyms	3-Cyclopropyl-5,7-dichloropyrazolo[1,5-a]pyrimidine; 5,7-Dichloro-3-cyclopropylpyrazolo[1,5-a]pyrimidine; Pyrazolo[1,5-a]pyrimidine, 5,7-dichloro-3-cyclopropyl-; 673475-51-9; 5,7-Dichloro-3-cyclopropyl-1H-pyrazolo[1,5-a]pyrimidine
EINECS	Contact for details

Quality Control

Our 5,7-Dichloro-3-cyclopropyl-pyrazolo[1,5-a]pyrimidine is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via NMR and mass spectrometry, to ensure it meets the exacting standards required for research and development. A Certificate of Analysis (COA) detailing all specifications is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 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.