Description

2-Amino-3H-Quinazolin-4-One is a versatile and high-value heterocyclic organic compound that serves as a critical building block in advanced chemical synthesis. Its quinazolinone core structure makes it a privileged scaffold for developing novel active pharmaceutical ingredients and functional materials. This compound is essential for research and development chemists, process engineers, and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to create innovative products.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various quinazoline-based drug candidates with potential therapeutic applications.
• Agrochemical Research: Used in developing novel herbicides, fungicides, and insecticides due to its bioactive heterocyclic structure.
• Organic Synthesis Building Block: Employed in constructing complex molecules for material science and chemical research.
• Dye and Pigment Intermediate: Serves as a starting material for synthesizing specialized quinazolinone-derived colorants.
• Biochemical Research: Utilized as a standard or reagent in studying enzyme inhibition and biological pathways.
• Material Science: Investigated for the development of organic semiconductors, ligands for metal complexes, and other functional materials.

Basic Information

Product Name	2-Amino-3H-Quinazolin-4-One
CAS No.	20198-19-0
Molecular Formula	C8H7N3O
Molecular Weight	161.16 g/mol
Synonyms	2-Aminoquinazolin-4(3H)-one; 2-Amino-4(3H)-quinazolinone; 4(3H)-Quinazolinone, 2-amino-; 2-Amino-4-hydroxyquinazoline; 2-Amino-4-quinazolinol; 2-Aminopteridin-4(3H)-one (incorrect but common misnomer); 2-AQO
EINECS	Contact for details

Quality Control

Every batch of 2-Amino-3H-Quinazolin-4-One is produced under a strict quality management system and undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments, detailing key parameters such as assay, related substances, and residual solvents. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for your critical R&D and scale-up processes.

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. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Single Unknown Impurity	≤ 0.5%

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