Description

3-Bromo-5-Chloro-1H-Pyrazolo[4,3-D]Pyrimidine is a high-purity, heterocyclic organic compound serving as a critical building block in advanced chemical synthesis. Its unique fused pyrazolopyrimidine core, functionalized with bromo and chloro substituents, makes it an invaluable intermediate for constructing complex molecular architectures. This compound is primarily utilized by research scientists and process chemists in the pharmaceutical and agrochemical industries for the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of kinase inhibitors and other targeted therapeutic agents.
• Agrochemical Research: Used to develop new herbicides and fungicides with novel modes of action.
• Chemical Biology Probe: Serves as a scaffold for creating tool compounds to study biological pathways.
• Material Science: A potential building block for organic electronic materials and ligands in catalysis.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs for the production of client-specific molecules at various scales.

Basic Information

Product Name	3-Bromo-5-Chloro-1H-Pyrazolo[4,3-D]Pyrimidine
CAS No.	1935930-11-2
Molecular Formula	C5H2BrClN4
Molecular Weight	233.45 g/mol
Synonyms	3-Bromo-5-chloro-1H-pyrazolo[4,3-d]pyrimidine; 1H-Pyrazolo[4,3-d]pyrimidine, 3-bromo-5-chloro-; 3-Bromo-5-chloro-7-azaindazole; 3-Bromo-5-chloro-1H-1,2,3-triazolo[4,5-d]pyrimidine (tautomer); BCPP; 1935930-11-2; 3-Br-5-Cl-1H-pyrazolo[4,3-d]pyrimidine
EINECS	Contact for details

Quality Control

Our 3-Bromo-5-Chloro-1H-Pyrazolo[4,3-D]Pyrimidine is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) are provided with each shipment, detailing all relevant specifications. We support cGMP and ISO standards for research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep the container sealed to protect this light-sensitive material from moisture and atmospheric contaminants.

Specification

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