Description

5-Chloro-3-(4-Chloro-2-Methylphenyl)-2-Methylquinazolin-4(3H)-One is a high-purity, synthetically derived quinazolinone derivative of significant interest in advanced organic synthesis. This compound serves as a critical pharmaceutical intermediate and a versatile chemical building block for research and development. It is primarily sought by manufacturers and R&D laboratories in the pharmaceutical, agrochemical, and specialty chemical sectors for creating novel active compounds.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting specific enzyme pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides, leveraging its heterocyclic core structure.
• Chemical Synthesis Building Block: Serves as a versatile scaffold for constructing more complex molecules in medicinal and organic chemistry.
• Material Science Research: Potential use in the development of organic electronic materials or advanced polymers due to its fused aromatic system.
• Biochemical Tool Compound: May be utilized in biochemical assays and as a research probe to study biological mechanisms.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific synthesis projects.

Basic Information

Product Name	5-Chloro-3-(4-Chloro-2-Methylphenyl)-2-Methylquinazolin-4(3H)-One
CAS No.	3476-88-8
Molecular Formula	C₁₆H₁₂Cl₂N₂O
Molecular Weight	319.19 g/mol
Synonyms	5-Chloro-3-(4-chloro-2-methylphenyl)-2-methyl-4(3H)-quinazolinone; 2-Methyl-5-chloro-3-(4-chloro-2-methylphenyl)-4(3H)-quinazolinone; 4(3H)-Quinazolinone, 5-chloro-3-(4-chloro-2-methylphenyl)-2-methyl-; 5-Chloro-3-(4-chloro-o-tolyl)-2-methylquinazolin-4(3H)-one; CAS 3476-88-8
EINECS	Contact for details

Quality Control

Our 5-Chloro-3-(4-Chloro-2-Methylphenyl)-2-Methylquinazolin-4(3H)-One is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical specifications 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 a controlled room temperature (typically 15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.