Description

5(4H)-Pyrimidinone (9Ci) CAS NO 220560-87-2 is a heterocyclic organic compound belonging to the pyrimidinone class, serving as a versatile and critical building block in advanced chemical synthesis. Its unique structure makes it a valuable intermediate for constructing complex molecules with specific biological or material properties. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries engaged in developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of novel drug candidates, particularly for antiviral, anticancer, and central nervous system (CNS) active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides, where the pyrimidinone core contributes to biological activity.
• Organic Light-Emitting Diodes (OLEDs): Acts as a precursor or core structure in the synthesis of electron-transport or emissive layer materials for display and lighting technologies.
• Ligand and Catalyst Development: Serves as a scaffold for creating novel ligands in coordination chemistry and catalysis for asymmetric synthesis and polymerization processes.
• Academic and R&D Laboratories: Employed in fundamental chemical research to explore new reactions, heterocyclic chemistry, and structure-activity relationships (SAR).
• Material Science: Utilized in the synthesis of polymers, dyes, and other specialty chemicals requiring a stable, functional heterocyclic component.

Basic Information

Product Name	5(4H)-Pyrimidinone (9Ci)
CAS No.	220560-87-2
Molecular Formula	C4H4N2O
Molecular Weight	96.09 g/mol
Synonyms	5(4H)-Pyrimidinone; 4H-Pyrimidin-5-one; 5-Hydroxypyrimidine; 5-Pyrimidinol; 5-Oxopyrimidine; 5-Pyrimidinone; Pyrimidin-5(4H)-one; 220560-87-2
EINECS	Contact for details

Quality Control

Our 5(4H)-Pyrimidinone is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via NMR and IR spectroscopy. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents. For long-term storage, consider maintaining the product under an inert atmosphere to ensure optimal stability.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%

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