Description

5-tert-Butyl-3H-Thieno[2,3-D]Pyrimidin-4-One is a high-purity heterocyclic organic compound belonging to the thienopyrimidinone class, serving as a critical advanced pharmaceutical intermediate and versatile chemical building block. Its unique fused-ring structure makes it a valuable scaffold for medicinal chemistry research and the synthesis of novel active pharmaceutical ingredients (APIs). This compound is essential for R&D and production teams in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new therapeutic agents or functional materials.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of potential drug candidates targeting various diseases.
• Medicinal Chemistry Research: Core scaffold for structure-activity relationship (SAR) studies and library synthesis in drug discovery.
• Agrochemical Development: Intermediate in the research and production of novel pesticides and herbicides.
• Chemical Synthesis: Versatile precursor for creating complex heterocyclic compounds in organic synthesis.
• Material Science: Potential monomer or additive for developing specialty polymers and advanced functional materials.

Basic Information

Product Name	5-tert-Butyl-3H-Thieno[2,3-D]Pyrimidin-4-One
CAS No.	827614-40-4
Molecular Formula	C10H12N2OS
Molecular Weight	208.28 g/mol
Synonyms	5-tert-Butyl-3H-thieno[2,3-d]pyrimidin-4-one; 5-(tert-Butyl)thieno[2,3-d]pyrimidin-4(3H)-one; 4H-Thieno[2,3-d]pyrimidin-4-one, 5-(1,1-dimethylethyl)-3,4-dihydro-; 5-tert-Butyl-3,4-dihydrothieno[2,3-d]pyrimidin-4-one; 5-(tert-Butyl)-3H-thieno[2,3-d]pyrimidin-4-one; Thieno[2,3-d]pyrimidin-4(3H)-one, 5-(1,1-dimethylethyl)-; 827614-40-4
EINECS	Contact for details

Quality Control

Our 5-tert-Butyl-3H-Thieno[2,3-D]Pyrimidin-4-One is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality attributes. Our quality commitment ensures the material meets the high standards required for pharmaceutical R&D and cGMP intermediate production.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.