Description

4H-Cyclopentapyrimidine (8Ci,9Ci) is a specialized heterocyclic organic compound with the CAS registry number 270-96-2. This versatile bicyclic scaffold is of significant value in advanced organic synthesis and pharmaceutical research, serving as a critical building block for the development of novel active compounds. It is primarily sought after by research chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used as a core structure for developing new herbicides, fungicides, and insecticides.
• Material Science: Serves as a building block for creating novel organic electronic materials and ligands for catalysis.
• Academic & R&D: Essential for methodological studies in heterocyclic chemistry and the discovery of new chemical entities.
• Chemical Synthesis: Employed in constructing fused pyrimidine systems for various specialty chemical applications.

Basic Information

Product Name	4H-Cyclopentapyrimidine (8Ci,9Ci)
CAS No.	270-96-2
Molecular Formula	C7H6N2
Molecular Weight	118.14 g/mol
Synonyms	4H-Cyclopenta[d]pyrimidine; Cyclopentapyrimidine; 4H-Cyclopentapyrimidine; 4H-Cyclopenta[d]pyrimidine (8CI,9CI); 4H-Cyclopentapyrimidine (8CI); 4H-Cyclopentapyrimidine (9CI); 4H-Cyclopenta[1,2-d]pyrimidine; 4H-Cyclopenta[d]pyrimidine (8CI,9CI)
EINECS	Contact for details

Quality Control

Our 4H-Cyclopentapyrimidine (8Ci,9Ci) is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical quality attributes are available upon request 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 incompatible materials.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Residue on Ignition	≤ 0.5%
Water Content (KF)	≤ 0.5%

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