Description

3-Bromo-7-Chloro-1-Methyl-1H-Pyrazolo[4,3-D]Pyrimidine is a high-value, multi-functional heterocyclic building block essential for advanced organic synthesis. This compound serves as a critical intermediate in the development of novel pharmaceutical agents, particularly kinase inhibitors and other targeted therapeutics. It is primarily sought by research institutions, pharmaceutical R&D departments, and fine chemical manufacturers engaged in drug discovery and process chemistry.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of potent kinase inhibitors for oncology and inflammatory disease research.
• Agrochemical Research: Used in developing novel active ingredients for crop protection products.
• Chemical Biology: Serves as a versatile scaffold for creating molecular probes and tool compounds to study biological pathways.
• Material Science: Potential building block for advanced organic electronic materials and functional polymers.
• Contract Research & Manufacturing (CRO/CMO): Supplied to organizations specializing in custom synthesis and scale-up services.
• Academic Research: Utilized in university and institutional labs for methodological development and novel heterocycle chemistry.

Basic Information

Product Name	3-Bromo-7-Chloro-1-Methyl-1H-Pyrazolo[4,3-D]Pyrimidine
CAS No.	1260787-71-0
Molecular Formula	C7H5BrClN4
Molecular Weight	261.50 g/mol
Synonyms	3-Bromo-7-chloro-1-methyl-1H-pyrazolo[4,3-d]pyrimidine; 1-Methyl-3-bromo-7-chloro-1H-pyrazolo[4,3-d]pyrimidine; 7-Chloro-3-bromo-1-methyl-1H-pyrazolo[4,3-d]pyrimidine; Pyrazolo[4,3-d]pyrimidine, 3-bromo-7-chloro-1-methyl-; 1260787-71-0; 3-Br-7-Cl-1-Me-PP; Bromo-chloro-methylpyrazolopyrimidine
EINECS	Contact for details

Quality Control

Our 3-Bromo-7-Chloro-1-Methyl-1H-Pyrazolo[4,3-D]Pyrimidine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all critical specifications. Our quality commitment supports applications requiring high-purity intermediates for regulated research and development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). The compound is moisture-sensitive; keep the container tightly sealed under an inert atmosphere if necessary. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Conforms
Identification (NMR)	Conforms
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 1.0%
Total Impurities (HPLC)	≤ 3.0%

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