Description

5H-Cyclopentapyrimidin-5-One, 4A,6,7,7A-Tetrahydro- (9Ci) is a specialized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters as a key precursor for constructing complex molecular architectures, particularly in the development of novel active pharmaceutical ingredients (APIs) and functional materials. Pharmaceutical researchers, agrochemical developers, and specialty chemical manufacturers need this high-purity intermediate to drive innovation in their R&D pipelines and process development.

Application

• Pharmaceutical Intermediate: Serves as a critical scaffold in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and antiviral therapies.
• Agrochemical Research: Used as a building block for developing new generation herbicides and fungicides with unique modes of action.
• Material Science: Acts as a precursor for organic electronic materials and advanced polymers requiring specific heterocyclic motifs.
• Academic & Contract Research: Essential for methodological studies in organic chemistry and for contract research organizations (CROs) serving the life sciences sector.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying enzyme mechanisms and biological pathways.

Basic Information

Product Name	5H-Cyclopentapyrimidin-5-One, 4A,6,7,7A-Tetrahydro- (9Ci)
CAS No.	89095-41-0
Molecular Formula	C7H8N2O
Molecular Weight	136.15 g/mol
Synonyms	4a,6,7,7a-Tetrahydro-5H-cyclopenta[d]pyrimidin-5-one; 5H-Cyclopenta[d]pyrimidin-5-one, 4a,6,7,7a-tetrahydro-; Tetrahydrocyclopentapyrimidinone; Cyclopentapyrimidinone derivative; 89095-41-0; 4a,6,7,7a-Tetrahydrocyclopentapyrimidin-5(1H)-one
EINECS	Contact for details

Quality Control

Our 5H-Cyclopentapyrimidin-5-One, 4A,6,7,7A-Tetrahydro- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high-purity standards required for sensitive synthetic applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee batch-to-batch consistency and traceability.

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 away from incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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