Description

Pyrazolo[1,5-A]Pyrazin-4(5H)-One, 3-Bromo- is a high-value brominated heterocyclic building block essential for advanced organic synthesis. This compound is critical for medicinal chemistry research and the development of novel pharmaceutical agents, particularly in kinase inhibitor programs. It is primarily utilized by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce complex molecular scaffolds.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of potential drug candidates, especially for targeted therapies.
• Medicinal Chemistry Research: Used extensively in hit-to-lead and lead optimization campaigns to explore structure-activity relationships (SAR).
• Agrochemical Development: Employed in the research and synthesis of new active ingredients for crop protection.
• Chemical Biology Probes: Acts as a scaffold for developing tool compounds to study biological pathways and enzyme functions.
• Material Science: Potential building block for creating novel organic electronic materials or ligands for catalysis.
• Contract Research & Manufacturing (CRO/CMO): Supplied to organizations specializing in custom synthesis and scale-up services.

Basic Information

Product Name	Pyrazolo[1,5-A]Pyrazin-4(5H)-One, 3-Bromo-
CAS No.	1784412-18-5
Molecular Formula	C6H4BrN3O
Molecular Weight	214.02 g/mol
Synonyms	3-Bromopyrazolo[1,5-a]pyrazin-4(5H)-one; 3-Bromo-4,5-dihydropyrazolo[1,5-a]pyrazin-4-one; 3-Bromo-5H-pyrazolo[1,5-a]pyrazin-4-one; 1784412-18-5; 3-Bromo-4,5-dihydro-1H-pyrazolo[1,5-a]pyrazin-4-one; Bromopyrazolopyrazinone; 3-Br-PPZ
EINECS	Contact for details

Quality Control

Every batch of Pyrazolo[1,5-A]Pyrazin-4(5H)-One, 3-Bromo- is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure identity, purity, and consistency for your critical research and development projects. A Certificate of Analysis (COA) detailing specifications such as assay (HPLC), related substances, and residual solvents is supplied with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). Keep the container sealed in a dry environment to maintain product integrity.

Specification

Item	Specification
Appearance	Off-white to light yellow powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Residual Solvents (GC)	Complies with ICH Q3C guidelines
Water Content (KF)	≤ 0.5%

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