Description

5,6-Dimethyl-3-Phenyl-2-Thioxo-2,3-Dihydrothieno[2,3-D]Pyrimidin-4(1H)-One is a high-purity, advanced pharmaceutical intermediate belonging to the fused thienopyrimidinone class of heterocyclic compounds. This compound is valued for its role as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those targeting specific enzymatic pathways. It is primarily sought by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for drug discovery and development programs.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the research and synthesis of potential therapeutic agents, including kinase inhibitors and other small-molecule drugs.
• Agrochemical Research: Used in the development of new pesticides and herbicides, leveraging its heterocyclic core for bioactivity.
• Chemical Synthesis Building Block: Employed in organic chemistry research for constructing complex fused-ring systems due to its reactive thioxo and carbonyl groups.
• Material Science Research: Investigated for potential applications in organic electronic materials due to its conjugated π-system.

Basic Information

Product Name	5,6-Dimethyl-3-Phenyl-2-Thioxo-2,3-Dihydrothieno[2,3-D]Pyrimidin-4(1H)-One
CAS No.	59898-64-5
Molecular Formula	C₁₄H₁₂N₂OS₂
Molecular Weight	288.39 g/mol
Synonyms	5,6-Dimethyl-3-phenyl-2-thioxo-2,3-dihydrothieno[2,3-d]pyrimidin-4(1H)-one; 4H-Thieno[2,3-d]pyrimidin-4-one, 1,2,3,6-tetrahydro-5,6-dimethyl-3-phenyl-2-thioxo-; 59898-64-5; Thieno[2,3-d]pyrimidine-2-thione derivative; 3-Phenyl-5,6-dimethyl-2-thioxo-2,3-dihydrothieno[2,3-d]pyrimidin-4(1H)-one
EINECS	Contact for details

Quality Control

Our production of 5,6-Dimethyl-3-Phenyl-2-Thioxo-2,3-Dihydrothieno[2,3-D]Pyrimidin-4(1H)-One adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. All materials are characterized using advanced 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 to support your R&D and cGMP-compliant manufacturing processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This compound is light-sensitive and easily oxidized; for long-term storage, it is recommended to keep the container under an inert atmosphere such as nitrogen or argon to maintain stability and purity.

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	≤ 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.