Description

3-Bromo-7-Chloro-5-Methylpyrazolo[1,5-A]Pyrimidine is a high-value, multi-functional heterocyclic building block essential for advanced organic synthesis. This compound is critical for research and development in the pharmaceutical and agrochemical sectors, where it serves as a key precursor for creating novel active molecules. It is primarily sought by R&D chemists, process development scientists, and manufacturers specializing in fine chemicals and active pharmaceutical ingredients (APIs).

Application

• Pharmaceutical Intermediate: A crucial scaffold in the synthesis of potential drug candidates, particularly in kinase inhibitor and antiviral research programs.
• Agrochemical Development: Used as a building block for creating novel herbicides, fungicides, and insecticides with specific modes of action.
• Material Science Research: Investigated for the development of organic electronic materials, such as OLEDs and semiconductors, due to its fused heterocyclic structure.
• Chemical Biology Probes: Employed in the design and synthesis of molecular probes for studying biological pathways and target validation.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for the production of complex target molecules.
• Academic & Industrial R&D: A fundamental reagent for methodological studies in heterocyclic and cross-coupling chemistry.

Basic Information

Product Name	3-Bromo-7-Chloro-5-Methylpyrazolo[1,5-A]Pyrimidine
CAS No.	58347-47-0
Molecular Formula	C7H5BrClN3
Molecular Weight	246.49 g/mol
Synonyms	3-Bromo-7-chloro-5-methylpyrazolo[1,5-a]pyrimidine; 7-Chloro-3-bromo-5-methylpyrazolo[1,5-a]pyrimidine; Pyrazolo[1,5-a]pyrimidine, 3-bromo-7-chloro-5-methyl-; 58347-47-0; 3-Br-7-Cl-5-Me-Pyrazolo[1,5-a]pyrimidine
EINECS	Contact for details

Quality Control

Our 3-Bromo-7-Chloro-5-Methylpyrazolo[1,5-A]Pyrimidine is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. We provide full traceability and detailed Certificates of Analysis (COA) with each shipment, confirming compliance with client specifications and internal quality standards.

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 strong oxidizing agents and incompatible materials. The container should be kept tightly sealed to prevent moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Conforms
Identification (NMR)	Conforms
Purity (HPLC)	≥ 97.0%
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.