Description

7-Chloro-5-Methylpyrazolo[1,5-A]Pyrimidine is a high-purity heterocyclic organic compound that serves as a critical building block in advanced chemical synthesis. Its value lies in its versatile pyrazolopyrimidine core, which is a privileged scaffold for developing biologically active molecules. This intermediate is essential for research and production in the pharmaceutical and agrochemical industries, where it is used to create novel compounds with targeted properties.

Application

• Pharmaceutical Intermediate: A key synthon for the research and development of new drug candidates, particularly kinase inhibitors and other small-molecule therapeutics.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, leveraging its heterocyclic structure for bioactivity.
• Chemical Research & Development: Serves as a versatile scaffold in medicinal chemistry for structure-activity relationship (SAR) studies and library synthesis.
• Material Science Precursor: Potential use in the synthesis of organic electronic materials and specialty dyes due to its conjugated system.
• Reference Standard: Supplied as a high-purity analytical standard for quality control and regulatory testing in manufacturing processes.

Basic Information

Product Name	7-Chloro-5-Methylpyrazolo[1,5-A]Pyrimidine
CAS No.	16082-27-2
Molecular Formula	C7H6ClN3
Molecular Weight	167.60 g/mol
Synonyms	7-Chloro-5-methylpyrazolo[1,5-a]pyrimidine; 5-Methyl-7-chloropyrazolo[1,5-a]pyrimidine; 7-Chloro-5-methyl-1H-pyrazolo[1,5-a]pyrimidine; Pyrazolo[1,5-a]pyrimidine, 7-chloro-5-methyl-; 16082-27-2; 7-Chloro-5-methylpyrazolo[1,5-a]pyrimidin; 7-Chloro-5-methyl-pyrazolo[1,5-a]pyrimidine
EINECS	Contact for details

Quality Control

Our 7-Chloro-5-Methylpyrazolo[1,5-A]Pyrimidine 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. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specifications and test results. Our quality commitment supports compliance with cGMP and ICH guidelines for pharmaceutical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Residual Solvents (GC)	Complies with ICH limits
Loss on Drying	≤ 0.5%

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