Description

3-Bromo-Pyrazolo[1,5-A]Pyrimidine is a high-value brominated heterocyclic building block essential for advanced organic synthesis. This compound matters as a versatile intermediate for constructing complex molecular architectures, particularly in the development of active pharmaceutical ingredients (APIs) and functional materials. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for creating novel compounds with targeted biological or physical properties.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of kinase inhibitors, antiviral agents, and other small-molecule drug candidates.
• Agrochemical Research: Used in the development of novel herbicides, fungicides, and plant growth regulators.
• Material Science: Serves as a precursor for organic electronic materials, such as ligands for OLEDs or charge-transport molecules.
• Chemical Biology: Employed in the design and synthesis of molecular probes and enzyme inhibitors for biochemical research.
• Cross-Coupling Reactions: Acts as a substrate in Suzuki, Stille, and other palladium-catalyzed cross-coupling reactions to form new carbon-carbon bonds.
• Library Synthesis: A valuable building block for creating diverse compound libraries in medicinal chemistry for high-throughput screening.

Basic Information

Product Name	3-Bromo-Pyrazolo[1,5-A]Pyrimidine
CAS No.	55405-67-9
Molecular Formula	C6H4BrN3
Molecular Weight	198.02 g/mol
Synonyms	3-Bromopyrazolo[1,5-a]pyrimidine; Pyrazolo[1,5-a]pyrimidine, 3-bromo-; 3-Bromo-1H-pyrazolo[1,5-a]pyrimidine; 3-Bromopyrazolopyrimidine; 3-Br-PP; 3-Bromo-7-azaindazole (common misnomer); 3-Bromo-pyrazolo[1,5-a]pyrimidine
EINECS	Contact for details

Quality Control

Our 3-Bromo-Pyrazolo[1,5-A]Pyrimidine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure high purity and consistent performance. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat and incompatible materials. The product is light-sensitive and should be handled under appropriate conditions to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.