Description

7-Chloro-3-Methyl-Pyrazolo[1,5-A]Pyrimidine is a high-purity heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of novel pharmaceutical agents and agrochemicals, enabling the construction of complex molecular architectures. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for creating new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for kinase inhibitors and other small-molecule therapeutics.
• Agrochemical Research: Serves as a building block for developing new herbicides, fungicides, and insecticides with novel modes of action.
• Chemical Biology Probe Development: Used to create tool compounds for studying biological pathways and target validation in drug discovery.
• Material Science: Potential intermediate for the synthesis of organic electronic materials and ligands for catalytic systems.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for bespoke synthesis projects.

Basic Information

Product Name	7-Chloro-3-Methyl-Pyrazolo[1,5-A]Pyrimidine
CAS No.	1159982-82-7
Molecular Formula	C7H6ClN3
Molecular Weight	167.60 g/mol
Synonyms	7-Chloro-3-methylpyrazolo[1,5-a]pyrimidine; 3-Methyl-7-chloropyrazolo[1,5-a]pyrimidine; Pyrazolo[1,5-a]pyrimidine, 7-chloro-3-methyl-; 7-Chloro-3-methyl-1H-pyrazolo[1,5-a]pyrimidine; 1159982-82-7
EINECS	Contact for details

Quality Control

Our 7-Chloro-3-Methyl-Pyrazolo[1,5-A]Pyrimidine is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment, supporting your regulatory and R&D documentation needs.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.