Description

3-Bromo-5-Chloropyrazolo[1,5-A]Pyrimidine is a high-purity, multi-functional heterocyclic building block of significant commercial and research interest. This compound is essential for the synthesis of complex molecules, particularly in the development of novel active pharmaceutical ingredients (APIs) and advanced agrochemicals. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of kinase inhibitors, antiviral agents, and other small-molecule drug candidates.
• Agrochemical Research: Used to construct novel pyrazolopyrimidine-based herbicides, fungicides, and plant growth regulators.
• Material Science: Serves as a building block for organic electronic materials, such as OLED (Organic Light-Emitting Diode) emitters and charge transport materials.
• Chemical Biology: Employed as a molecular scaffold for developing chemical probes and tool compounds to study biological pathways.
• Custom Synthesis & Contract Manufacturing: A critical starting material for custom synthesis projects and scale-up production under cGMP conditions.
• Academic & Industrial R&D: Fundamental research reagent for exploring new heterocyclic chemistry and reaction methodologies.

Basic Information

Item	Details
Product Name	3-Bromo-5-Chloropyrazolo[1,5-A]Pyrimidine
CAS No.	960613-96-1
Molecular Formula	C6H3BrClN3
Molecular Weight	232.47 g/mol
Synonyms	3-Bromo-5-chloro-1H-pyrazolo[1,5-a]pyrimidine; 3-Bromo-5-chloro-pyrazolo[1,5-a]pyrimidine; 3-Bromo-5-chloro-1H-pyrazolo[1,5-a]pyrimidine; 960613-96-1; Pyrazolo[1,5-a]pyrimidine, 3-bromo-5-chloro-; SCHEMBL2180407; BCPP; AKOS040759232
EINECS	Contact for details

Quality Control

Every batch of 3-Bromo-5-Chloropyrazolo[1,5-A]Pyrimidine is manufactured under strict quality management systems. We provide comprehensive analytical data to ensure the material meets the high standards required for advanced synthetic applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied with each shipment. Our quality protocols are designed to support regulatory filings in target industries.

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 the container sealed to prevent moisture absorption and contamination. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC/IR)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Residual Solvents (GC)	Complies with ICH guidelines
Water Content (KF)	≤ 0.5%

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