Description

2H-Cyclopenta[3,4]Pyrazolo[1,5-A]Pyrimidine (9Ci) is a high-purity, fused heterocyclic compound with the CAS number 80765-93-1. This specialized chemical serves as a critical advanced intermediate in modern organic synthesis, enabling the construction of complex molecular architectures. It is primarily sought after by research and development teams in the pharmaceutical and agrochemical industries for the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and oncology.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its complex heterocyclic core for biological activity.
• Material Science: Investigated as a precursor for organic electronic materials, such as organic light-emitting diodes (OLEDs) and semiconductors.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological studies in heterocyclic chemistry and catalysis.
• Chemical Biology: Serves as a scaffold for designing molecular probes and inhibitors to study enzyme function and biological pathways.

Basic Information

Product Name	2H-Cyclopenta[3,4]Pyrazolo[1,5-A]Pyrimidine (9Ci)
CAS No.	80765-93-1
Molecular Formula	C8H5N3
Molecular Weight	143.15 g/mol
Synonyms	2H-Cyclopenta[3,4]pyrazolo[1,5-a]pyrimidine; Cyclopenta[3,4]pyrazolo[1,5-a]pyrimidine, 2H-; 2H-Cyclopenta[3,4]pyrazolo[1,5-a]pyrimidine (9CI); 2H-Cyclopenta[3,4]pyrazolo[1,5-a]pyrimidine, 9CI; Pyrazolo[1,5-a]pyrimidine, 2H-cyclopenta[3,4]-; 80765-93-1
EINECS	Contact for details

Quality Control

Our 2H-Cyclopenta[3,4]Pyrazolo[1,5-A]Pyrimidine (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR/IR for structural confirmation, to ensure it meets the high standards required for research and development applications. Certificates of Analysis (COA) with detailed specifications are provided with every shipment.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
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.