Description

4-Chloro-6,7-Dimethoxyquinazoline is a high-value, multi-functional heterocyclic building block essential for advanced organic synthesis. Its core value lies in its role as a key intermediate for constructing complex molecules with significant biological activity. This compound is primarily needed by pharmaceutical R&D and fine chemical manufacturers for the development of targeted therapeutic agents.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of tyrosine kinase inhibitors and other small-molecule drug candidates.
• Agrochemical Research: Used in the development of novel herbicides and fungicides due to its bioactive quinazoline core.
• Material Science: Serves as a building block for creating specialty polymers and organic electronic materials.
• Academic & Contract Research: Employed in medicinal chemistry programs for structure-activity relationship (SAR) studies and library synthesis.
• Dye & Pigment Industry: Acts as an intermediate for synthesizing specialized quinazoline-based colorants.

Basic Information

Product Name	4-Chloro-6,7-Dimethoxyquinazoline
CAS No.	13790-39-1
Molecular Formula	C₁₁H₁₁ClN₂O₂
Molecular Weight	238.67 g/mol
Synonyms	6,7-Dimethoxy-4-chloroquinazoline; 4-Chloro-6,7-dimethoxyquinazoline; 13790-39-1; Quinazoline, 4-chloro-6,7-dimethoxy-; 4-Chloro-6,7-bis(methoxy)quinazoline; 4-Chloro-6,7-dimethoxy-quinazoline; 4-Chloro-6,7-dimethoxy-1,3-diazanaphthalene
EINECS	Contact for details

Quality Control

Our 4-Chloro-6,7-Dimethoxyquinazoline is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical intermediate applications. Certificates of Analysis (COA) detailing all specifications are available upon request.

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 crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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