Description

5H-Cyclopenta[D]Pyrazolo[1,5-A]Pyrimidine, 3-Bromo-8-Chloro-6,7-Dihydro- is a high-purity, advanced pharmaceutical intermediate belonging to the fused heterocyclic compound class. This compound is valued for its role as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring complex molecular architectures. It is primarily sought by research institutions and pharmaceutical manufacturers engaged in drug discovery and process development.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of potential drug candidates targeting various disease pathways.
• Medicinal Chemistry Research: Used in structure-activity relationship (SAR) studies and lead optimization for new therapeutic agents.
• Organic Synthesis Building Block: Employed in constructing complex polycyclic frameworks due to its reactive bromo and chloro substituents.
• Agrochemical Research: Potential intermediate for developing new crop protection agents with novel modes of action.
• Material Science Exploration: Investigated for creating specialized organic electronic materials or ligands for catalysis.

Basic Information

Product Name	5H-Cyclopenta[D]Pyrazolo[1,5-A]Pyrimidine, 3-Bromo-8-Chloro-6,7-Dihydro-
CAS No.	1310097-29-0
Molecular Formula	C9H7BrClN3
Molecular Weight	272.53 g/mol
Synonyms	3-Bromo-8-chloro-6,7-dihydro-5H-cyclopenta[d]pyrazolo[1,5-a]pyrimidine; 3-Bromo-8-chloro-5H,6H,7H-cyclopenta[d]pyrazolo[1,5-a]pyrimidine; 1310097-29-0; 3-Bromo-8-chloro-6,7-dihydro-5H-cyclopenta[4,5]pyrrolo[1,2-a]pyrimidine (alternative ring numbering); Bromo-chloro-cyclopentapyrazolopyrimidine; BCPP intermediate
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management systems, ensuring batch-to-batch consistency for research and development applications. Quality is verified through analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profile is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (typically 15-25°C). This compound should be considered moisture-sensitive (hygroscopic) and handled under inert atmosphere for long-term storage to maintain stability.

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%
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.