Description

4-Amino-2-Ethylquinazoline is a versatile quinazoline derivative, a key heterocyclic building block prized for its role in advanced organic synthesis. Its primary value lies in serving as a crucial intermediate for the development of active pharmaceutical ingredients (APIs), agrochemicals, and specialty dyes. This compound is essential for research and production facilities in the pharmaceutical, agrochemical, and fine chemical industries seeking to develop novel compounds with targeted biological or functional properties.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of various drug candidates, particularly those targeting kinase inhibition and other therapeutic pathways.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, leveraging the bioactive quinazoline core.
• Organic Light-Emitting Diodes (OLEDs): Serves as a building block for electron-transport materials or host materials in OLED device fabrication.
• Coordination Chemistry & Ligand Synthesis: The amino and nitrogen atoms in the quinazoline ring make it a useful ligand for constructing metal-organic frameworks (MOFs) or catalysts.
• Dye and Pigment Manufacturing: Acts as an intermediate for producing specialized quinazoline-based dyes and colorants.
• Academic & Industrial Research: A valuable reagent for medicinal chemistry programs and material science research exploring new heterocyclic compounds.

Basic Information

Product Name	4-Amino-2-Ethylquinazoline
CAS No.	83702-20-9
Molecular Formula	C10H11N3
Molecular Weight	173.22 g/mol
Synonyms	2-Ethyl-4-quinazolinamine; 4-Amino-2-ethyl-1,3-diazanaphthalene; 2-Ethylquinazolin-4-amine; 4-Amino-2-ethylquinazoline; Quinazoline, 4-amino-2-ethyl-; 2-Ethyl-4-aminoquinazoline; 4-Amino-2-ethyl-quinazoline
EINECS	Contact for details

Quality Control

Our 4-Amino-2-Ethylquinazoline is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all critical specifications. Our quality commitment supports applications requiring high-purity intermediates under cGMP or ISO 9001 guidelines.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure containers are sealed immediately after use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.