Description

4-Amino-2-Methylmercaptoquinazoline is a versatile quinazoline derivative that serves as a critical building block in advanced organic synthesis. This compound is valued for its functional groups, which make it a key intermediate in the development of active pharmaceutical ingredients (APIs) and specialty chemicals. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries for creating novel compounds with targeted biological activities.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various quinazoline-based drug candidates, particularly those targeting kinase inhibition.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators.
• Fine Chemical Synthesis: Serves as a specialized building block for creating complex molecules in material science and catalysis.
• Biochemical Research: Employed as a standard or reagent in biochemical studies exploring enzyme interactions and metabolic pathways.
• Dye and Pigment Industry: Acts as an intermediate in the production of specialized dyes and organic pigments.

Basic Information

Product Name	4-Amino-2-Methylmercaptoquinazoline
CAS No.	63963-40-6
Molecular Formula	C9H9N3S
Molecular Weight	191.25 g/mol
Synonyms	2-(Methylthio)-4-quinazolinamine; 4-Amino-2-(methylthio)quinazoline; 2-Methylmercapto-4-aminoquinazoline; AMQ; 4-Amino-2-methylsulfanylquinazoline; 4-Amino-2-(methylsulfanyl)quinazoline; Quinazoline, 4-amino-2-(methylthio)-
EINECS	Contact for details

Quality Control

Our 4-Amino-2-Methylmercaptoquinazoline is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide Certificates of Analysis (COA) with every shipment, detailing all relevant specifications. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates, ensuring reliability for your critical synthesis workflows.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents. For long-term storage, consider an inert atmosphere to maintain product stability.

Specification

Item	Specification
Appearance	Off-white to light yellow 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.