Description

3-Amino-2-Mercapto-3H-Quinazolin-4-One is a versatile heterocyclic organic compound that serves as a critical building block in advanced chemical synthesis. Its unique quinazolinone core functionalized with amino and mercapto groups makes it a valuable precursor for developing pharmaceuticals and specialty chemicals. This compound is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and material science sectors for creating novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Key starting material for the synthesis of potential drug candidates, particularly those targeting neurological and oncological pathways.
• Agrochemical Research: Used in developing novel herbicides, fungicides, and plant growth regulators due to its bioactive scaffold.
• Organic Synthesis Building Block: Employed in constructing complex heterocyclic compounds for material science and catalysis research.
• Bioconjugation & Probe Development: The reactive thiol (-SH) and amino (-NH2) groups facilitate its use in creating fluorescent probes or protein conjugates for biochemical studies.
• Coordination Chemistry: Acts as a ligand for metal ions, useful in creating catalysts or metal-organic frameworks (MOFs).

Basic Information

Product Name	3-Amino-2-Mercapto-3H-Quinazolin-4-One
CAS No.	16951-33-0
Molecular Formula	C8H7N3OS
Molecular Weight	193.22 g/mol
Synonyms	3-Amino-2-mercapto-4(3H)-quinazolinone; 2-Mercapto-3-amino-4(3H)-quinazolinone; 3-Amino-2-sulfanyl-3H-quinazolin-4-one; 4(3H)-Quinazolinone, 3-amino-2-mercapto-; 16951-33-0; 3-Amino-2-thiol-4(3H)-quinazolinone; 2-Thiol-3-aminoquinazolin-4(3H)-one
EINECS	Contact for details

Quality Control

Our 3-Amino-2-Mercapto-3H-Quinazolin-4-One is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets the high standards required for research and industrial use. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment and is available upon request.

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). Due to its sensitivity to oxidation, it is recommended to store the product under an inert atmosphere for long-term preservation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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