Description

Thieno[2,3-D]Pyrimidin-4(1H)-One, 5,6-Dimethyl-2-(2-Thienyl)- is a high-purity heterocyclic organic compound that serves as a critical advanced intermediate in modern pharmaceutical and agrochemical research. Its unique fused-ring structure makes it a valuable scaffold for developing novel active ingredients with targeted biological activity. This compound is primarily sought by R&D chemists and process development scientists in the life sciences sector for the synthesis of new chemical entities.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of potential drug candidates targeting various therapeutic areas.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides due to its bioactive core structure.
• Material Science Precursor: Serves as a starting material for creating specialized organic electronic materials or ligands.
• Academic & Contract Research: Essential for medicinal chemistry programs and structure-activity relationship (SAR) studies in university and CRO laboratories.
• Custom Synthesis: Employed by fine chemical manufacturers for the production of bespoke compounds for client-specific projects.

Basic Information

Product Name	Thieno[2,3-D]Pyrimidin-4(1H)-One, 5,6-Dimethyl-2-(2-Thienyl)-
CAS No.	354562-75-7
Molecular Formula	C12H10N2OS2
Molecular Weight	262.35 g/mol
Synonyms	5,6-Dimethyl-2-(thiophen-2-yl)thieno[2,3-d]pyrimidin-4(1H)-one; 2-(2-Thienyl)-5,6-dimethyl-4H-thieno[2,3-d]pyrimidin-4-one; 5,6-Dimethyl-2-(2-thienyl)thieno[2,3-d]pyrimidin-4(1H)-one; 354562-75-7; Thieno[2,3-d]pyrimidin-4(1H)-one, 5,6-dimethyl-2-(2-thienyl)-; 2-Thiophen-2-yl-5,6-dimethyl-1H-thieno[2,3-d]pyrimidin-4-one
EINECS	Contact for details

Quality Control

Our production of Thieno[2,3-D]Pyrimidin-4(1H)-One, 5,6-Dimethyl-2-(2-Thienyl)- 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 identity, purity, and impurity profiles is provided with each shipment to support your regulatory and research requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider inert atmosphere conditions to maintain product integrity.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.