Description

7-Chloromethyl-5-Oxo-4,5-Dihydro-Pyrazolo[1,5-A]-Pyrimidine-3-Carbonitrile is a high-purity, advanced pharmaceutical intermediate characterized by its reactive chloromethyl and nitrile functional groups. This compound is of critical importance for enabling efficient synthetic routes in the development of novel active pharmaceutical ingredients (APIs). It is primarily needed by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for the synthesis of complex heterocyclic compounds.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of pyrazolopyrimidine-based drug candidates, which are explored for various therapeutic areas.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its heterocyclic core structure.
• Chemical Synthesis: Serves as a versatile precursor for further functionalization, enabling the creation of diverse chemical libraries for screening.
• Academic & R&D: Employed in university and industrial research laboratories for methodological studies and the discovery of new chemical entities.

Basic Information

Product Name	7-Chloromethyl-5-Oxo-4,5-Dihydro-Pyrazolo[1,5-A]-Pyrimidine-3-Carbonitrile
CAS No.	832739-77-2
Molecular Formula	C8H5ClN4O
Molecular Weight	208.60 g/mol
Synonyms	7-(Chloromethyl)-5-oxo-4,5-dihydropyrazolo[1,5-a]pyrimidine-3-carbonitrile; 7-Chloromethyl-5-oxo-4,5-dihydro-1H-pyrazolo[1,5-a]pyrimidine-3-carbonitrile; Pyrazolo[1,5-a]pyrimidine-3-carbonitrile, 7-(chloromethyl)-4,5-dihydro-5-oxo-; 832739-77-2
EINECS	Contact for details

Quality Control

Our 7-Chloromethyl-5-Oxo-4,5-Dihydro-Pyrazolo[1,5-A]-Pyrimidine-3-Carbonitrile is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for pharmaceutical intermediate applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles 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 a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed and under an inert atmosphere (e.g., nitrogen) for long-term storage 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.