Description

4(3H)-Quinazolinone, 3-Methyl- is a versatile heterocyclic organic compound belonging to the quinazolinone class. This compound serves as a critical pharmacological intermediate and building block in medicinal chemistry research and development. It is primarily utilized by pharmaceutical R&D teams, contract research organizations (CROs), and fine chemical manufacturers for synthesizing novel drug candidates.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of bioactive molecules and potential drug candidates targeting various therapeutic areas.
• Medicinal Chemistry Research: Serves as a core scaffold for structure-activity relationship (SAR) studies and library synthesis in drug discovery programs.
• Chemical Reference Standard: Used as an analytical standard for quality control and method development in laboratories.
• Organic Synthesis Building Block: Employed in the construction of more complex heterocyclic systems and specialty chemicals.
• Academic & Industrial R&D: Fundamental material for research in organic chemistry and the development of new synthetic methodologies.

Basic Information

Product Name	4(3H)-Quinazolinone, 3-Methyl-
CAS No.	2436-66-0
Molecular Formula	C9H8N2O
Molecular Weight	160.17 g/mol
Synonyms	3-Methylquinazolin-4(3H)-one; 3-Methyl-4(3H)-quinazolinone; 3-Methyl-4-quinazolinone; 3-Methyl-4-hydroxyquinazoline; NSC 51128; 4-Quinazolinone, 3-methyl-; 3-Methyl-3,4-dihydro-4-oxoquinazoline
EINECS	219-418-5

Quality Control

Our 4(3H)-Quinazolinone, 3-Methyl- 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 specific results for all critical parameters are available for every shipment. We support custom synthesis and can tailor specifications to meet specific research or project requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (typically 15-25°C). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline 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.