Description

5,6-Dimethylthieno[2,3-D]Pyrimidin-4(3H)-One is a high-purity heterocyclic building block of significant interest in advanced organic synthesis. This compound serves as a critical intermediate for the development of novel pharmaceuticals and agrochemicals, enabling the creation of complex molecular architectures. It is primarily sought after by research institutions and industrial R&D departments focused on medicinal chemistry, particularly in the synthesis of kinase inhibitors and other biologically active small molecules.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of targeted therapeutic agents, including potential kinase inhibitors for oncology and inflammatory diseases.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products, leveraging its unique thienopyrimidine core.
• Material Science: Investigated as a building block for organic electronic materials due to its fused heterocyclic structure, which can influence charge transport properties.
• Chemical Biology: Employed in the design and synthesis of molecular probes and tool compounds for studying biological pathways and target validation.
• Custom Synthesis: Serves as a specialized starting material for contract research organizations (CROs) and fine chemical manufacturers engaged in bespoke synthesis projects.

Basic Information

Product Name	5,6-Dimethylthieno[2,3-D]Pyrimidin-4(3H)-One
CAS No.	18593-44-7
Molecular Formula	C8H8N2OS
Molecular Weight	180.23 g/mol
Synonyms	5,6-Dimethyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine; 4(3H)-Thieno[2,3-d]pyrimidinone, 5,6-dimethyl-; 5,6-Dimethyl-3H-thieno[2,3-d]pyrimidin-4-one; 5,6-Dimethyl-4-hydroxy-thieno[2,3-d]pyrimidine; 18593-44-7; Thieno[2,3-d]pyrimidin-4(3H)-one, 5,6-dimethyl-
EINECS	Contact for details

Quality Control

Our production of 5,6-Dimethylthieno[2,3-D]Pyrimidin-4(3H)-One adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. All materials undergo rigorous analytical testing, 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 quality assurance and regulatory needs.

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.

Specification

Item	Specification
Appearance	White to off-white 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.