Description

5-(Chloromethyl)-4,7-Dihydro-7-Oxopyrazolo[1,5-A]Pyrimidine-3-Carbonitrile is a high-purity, heterocyclic organic building block of significant interest in advanced chemical synthesis. This compound matters as a versatile and critical intermediate for constructing complex molecular architectures, particularly in the pharmaceutical sector. It is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for the development of new active ingredients and functional materials.

Application

This specialized chemical intermediate serves as a key precursor in several high-value synthetic pathways. Its primary applications include:

• Pharmaceutical Intermediate: Core building block for the synthesis of novel drug candidates, particularly those targeting various enzyme families.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides with specific modes of action.
• Chemical Biology Probes: Employed in the creation of molecular probes for studying biological processes and target identification.
• Material Science: Potential precursor for the synthesis of organic electronic materials or metal-organic frameworks (MOFs).
• Custom Synthesis & Contract Manufacturing: A critical starting material for custom synthesis projects and scale-up processes in fine chemical production.

Basic Information

Product Name	5-(Chloromethyl)-4,7-Dihydro-7-Oxopyrazolo[1,5-A]Pyrimidine-3-Carbonitrile
CAS No.	329213-60-7
Molecular Formula	C8H5ClN4O
Molecular Weight	208.60 g/mol
Synonyms	5-(Chloromethyl)-7-oxo-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carbonitrile; 5-(Chloromethyl)-4,7-dihydro-7-oxo-1H-pyrazolo[1,5-a]pyrimidine-3-carbonitrile; 329213-60-7; Pyrazolo[1,5-a]pyrimidine-3-carbonitrile, 5-(chloromethyl)-4,7-dihydro-7-oxo-; 5-(Chloromethyl)-7-hydroxy-1H-pyrazolo[1,5-a]pyrimidine-3-carbonitrile (tautomeric form).
EINECS	Contact for details

Quality Control

Our 5-(Chloromethyl)-4,7-Dihydro-7-Oxopyrazolo[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 and research applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory documentation.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
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.