Description

5,6,7 - Trimethoxy - Quinazolin - 4(3H) - One is a high-purity, synthetic quinazolinone derivative, identified by CAS No. 1173284-43-9. This compound serves as a critical pharmaceutical intermediate and research chemical for the development of novel bioactive molecules. It is primarily required by R&D laboratories and manufacturers in the pharmaceutical and agrochemical sectors for synthesis and screening programs.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing potential drug candidates, particularly in oncology and CNS research.
• Biochemical Research: Used as a reference standard or substrate in enzymatic and receptor-binding studies.
• Agrochemical Development: Serves as a precursor for creating new crop protection agents and herbicides.
• Academic & Contract Research: Essential for medicinal chemistry programs in universities and CROs (Contract Research Organizations).
• Library Synthesis: Used to create diverse compound libraries for high-throughput screening (HTS).
• Process Chemistry: Employed in route scouting and optimization for scale-up production of active pharmaceutical ingredients (APIs).

Basic Information

Product Name	5,6,7 - Trimethoxy - Quinazolin - 4(3H) - One
CAS No.	1173284-43-9
Molecular Formula	C11H12N2O4
Molecular Weight	236.23 g/mol
Synonyms	5,6,7-Trimethoxy-4(3H)-quinazolinone; 5,6,7-Trimethoxyquinazolin-4(3H)-one; 4(3H)-Quinazolinone, 5,6,7-trimethoxy-; 5,6,7-Trimethoxy-3,4-dihydroquinazolin-4-one; 1173284-43-9; TMQ; Trimethoxyquinazolinone
EINECS	Contact for details

Quality Control

Our 5,6,7 - Trimethoxy - Quinazolin - 4(3H) - One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure high purity and batch-to-batch consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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