Description

4(3H)-Quinazolinone (9Ci) is a versatile heterocyclic organic compound that serves as a critical synthetic intermediate and pharmacophore. Its value lies in its role as a foundational building block for the development of novel active pharmaceutical ingredients (APIs) and advanced materials. This compound is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for drug discovery and fine chemical synthesis.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various quinazolinone-based drug candidates with potential biological activities.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides that leverage the quinazolinone scaffold.
• Organic Synthesis Building Block: Employed in complex multi-step organic reactions to construct more elaborate heterocyclic systems.
• Material Science Research: Investigated as a component in the creation of organic electronic materials and fluorescent dyes.
• Biochemical Tool Compound: Utilized in academic and industrial research to study enzyme inhibition and receptor binding mechanisms.

Basic Information

Product Name	4(3H)-Quinazolinone (9Ci)
CAS No.	132305-20-5
Molecular Formula	C8H6N2O
Molecular Weight	146.15 g/mol
Synonyms	4(3H)-Quinazolinone; 3H-Quinazolin-4-one; 4-Hydroxyquinazoline; Quinazolin-4(3H)-one; 4-Quinazolinol; 4-Oxo-3,4-dihydroquinazoline; 4-Quinazolinone; 4(1H)-Quinazolinone
EINECS	Contact for details

Quality Control

Our 4(3H)-Quinazolinone (9Ci) is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing purity, assay, and impurity profiles are provided and available upon request to support your quality assurance protocols.

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 powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.