Description

3-Amino-2-thioxo-2,3-dihydrothieno[3,2-d]pyrimidin-4(1H)-one is a specialized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a key precursor in the development of novel pharmacologically active molecules, particularly within medicinal chemistry. It is primarily needed by research institutions and pharmaceutical companies engaged in the discovery of new therapeutic agents, especially those targeting kinase inhibition and other critical biological pathways.

Application

• Pharmaceutical Intermediate: Serves as a critical scaffold in the synthesis of novel drug candidates, particularly kinase inhibitors.
• Medicinal Chemistry Research: Used as a versatile building block for constructing diverse compound libraries for high-throughput screening (HTS).
• Chemical Biology Probes: Employed in the development of tool compounds to study specific enzyme functions and cellular pathways.
• Agrochemical Development: Potential intermediate in the research and synthesis of new active ingredients for crop protection.
• Material Science Precursor: Investigated for the synthesis of organic electronic materials due to its fused heterocyclic structure.

Basic Information

Product Name	3-Amino-2-thioxo-2,3-dihydrothieno[3,2-d]pyrimidin-4(1H)-one
CAS No.	440323-64-8
Molecular Formula	C6H5N3OS2
Molecular Weight	199.25 g/mol
Synonyms	3-Amino-2-mercaptothieno[3,2-d]pyrimidin-4(3H)-one; 3-Amino-4-oxo-3,4-dihydrothieno[3,2-d]pyrimidine-2-thiol; Thieno[3,2-d]pyrimidine-2-thiol, 3-amino-3,4-dihydro-4-oxo-; 440323-64-8; 3-Amino-2-thioxo-1,2-dihydrothieno[3,2-d]pyrimidin-4(3H)-one
EINECS	Contact for details

Quality Control

Our production of 3-Amino-2-thioxo-2,3-dihydrothieno[3,2-d]pyrimidin-4(1H)-one adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity for research applications. All materials are characterized by modern analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). This material is light-sensitive (store away from light). Keep container tightly sealed when not in use to protect from moisture.

Specification

Item	Specification
Appearance	Yellow to light brown 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.