Description

5H-Cyclopentapyrimidine (8Ci,9Ci) is a specialized heterocyclic organic compound with the CAS registry number 270-98-4, serving as a crucial building block in advanced chemical synthesis. Its unique fused-ring structure makes it a valuable intermediate for developing novel pharmaceuticals and agrochemicals. This high-purity compound is essential for research and development chemists in the pharmaceutical, biotechnology, and fine chemical industries seeking to create new active molecules.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly for central nervous system (CNS) and antiviral therapies.
• Agrochemical Synthesis: Used in the creation of novel herbicides, fungicides, and insecticides with specific modes of action.
• Material Science Research: Serves as a precursor for organic electronic materials, such as those used in OLEDs and conductive polymers.
• Academic & Industrial R&D: A fundamental building block in medicinal chemistry and organic synthesis laboratories for constructing complex heterocyclic systems.
• Ligand and Catalyst Development: Utilized in the synthesis of specialized ligands for metal catalysis and asymmetric synthesis.

Basic Information

Product Name	5H-Cyclopentapyrimidine (8Ci,9Ci)
CAS No.	270-98-4
Molecular Formula	C7H6N2
Molecular Weight	118.14 g/mol
Synonyms	5H-Cyclopenta[d]pyrimidine; Cyclopentapyrimidine; 5H-Cyclopentapyrimidine; 270-98-4; 1H-Cyclopentapyrimidine; 5H-1,3-Diazaindene; 5H-Cyclopenta[d]pyrimidine (8CI,9CI); 5H-Cyclopentapyrimidine (8CI,9CI)
EINECS	205-989-8

Quality Control

Our 5H-Cyclopentapyrimidine (8Ci,9Ci) is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, confirming compliance with customer specifications. Our GMP-compliant facilities and processes guarantee a reliable supply of high-purity material for critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
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.