Description

3-Methyl-4-Methylene-3,4-Dihydroquinazoline-2(1H)-Thione is a specialized heterocyclic organic compound belonging to the quinazolinone-thione class, serving as a critical building block in advanced chemical synthesis. Its unique fused-ring structure with a thione group makes it a valuable precursor for developing novel pharmaceuticals and agrochemicals. This high-purity intermediate is essential for research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries seeking to create new active molecules with targeted properties.

Application

• Pharmaceutical Intermediate: A key synthon for the research and development of novel drug candidates, particularly in oncology and central nervous system (CNS) therapeutic areas.
• Agrochemical Synthesis: Used as a building block in the creation of new herbicides, fungicides, and insecticides, leveraging its heterocyclic core.
• Organic Light-Emitting Diode (OLED) Materials: Serves as a precursor for electron-transport or host materials in OLED displays and lighting due to its rigid, conjugated structure.
• Coordination Chemistry & Ligand Synthesis: Acts as a ligand or precursor for metal-organic frameworks (MOFs) and catalysts, utilizing the sulfur and nitrogen donor atoms.
• Dye and Pigment Intermediate: Employed in the synthesis of specialized heterocyclic dyes and organic pigments for high-performance applications.
• Academic & Industrial Research: A valuable compound for methodological studies in organic synthesis and heterocyclic chemistry.

Basic Information

Product Name	3-Methyl-4-Methylene-3,4-Dihydroquinazoline-2(1H)-Thione
CAS No.	14333-74-5
Molecular Formula	C10H8N2S
Molecular Weight	188.25 g/mol
Synonyms	3-Methyl-4-methylidene-1,4-dihydroquinazoline-2-thione; 3-Methyl-4-methylene-3,4-dihydro-2(1H)-quinazolinethione; 2(1H)-Quinazolinethione, 3,4-dihydro-3-methyl-4-methylene-; 3-Methyl-4-methylidene-3,4-dihydroquinazoline-2-thiol; 4-Methylene-3-methyl-3,4-dihydro-2(1H)-quinazolinethione
EINECS	Contact for details

Quality Control

Our 3-Methyl-4-Methylene-3,4-Dihydroquinazoline-2(1H)-Thione is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all critical specifications. Our quality commitment ensures the material meets the high standards required for research and commercial synthesis.

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). Keep away from strong oxidizing agents. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.