Description

Thieno[3,4-D]Pyrimidin-4(3H)-One is a high-purity fused heterocyclic compound, serving as a critical advanced intermediate in modern organic synthesis. Its unique molecular architecture makes it a valuable building block for constructing complex pharmacologically active molecules. This compound is primarily sought by research institutions and pharmaceutical companies engaged in the development of novel therapeutic agents and specialty fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of potential drug candidates targeting various disease pathways.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products.
• Material Science: Serves as a building block for organic electronic materials and specialty polymers.
• Academic & R&D: Essential for methodological studies in heterocyclic and medicinal chemistry within university and industrial laboratories.
• Chemical Biology: Employed in the design and synthesis of molecular probes and enzyme inhibitors for biological studies.

Basic Information

Product Name	Thieno[3,4-D]Pyrimidin-4(3H)-One
CAS No.	53826-73-6
Molecular Formula	C6H4N2OS
Molecular Weight	152.17 g/mol
Synonyms	3H-Thieno[3,4-d]pyrimidin-4-one; Thieno[3,4-d]pyrimidin-4(3H)-one; 4(3H)-Thieno[3,4-d]pyrimidinone; 53826-73-6; Thienopyrimidinone derivative; Fused thienopyrimidine
EINECS	Contact for details

Quality Control

Our production of Thieno[3,4-D]Pyrimidin-4(3H)-One adheres to stringent in-process controls to ensure batch-to-batch consistency and high purity. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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