Description

2-((2-Oxotetrahydrofuran-3-Yl)Thio)-3,5,6,7-Tetrahydro-4H-Cyclopenta[4,5]Thieno[2,3-D]Pyrimidin-4-One is a high-value, complex heterocyclic compound that serves as a critical advanced intermediate in modern pharmaceutical synthesis. Its intricate fused-ring structure, incorporating thiophene and pyrimidinone motifs, makes it a versatile building block for developing novel active pharmaceutical ingredients (APIs). This compound is primarily sought after by research institutions and pharmaceutical manufacturers engaged in the discovery and production of new therapeutic agents.

Application

• Pharmaceutical Intermediate: A key synthetic precursor in the research and development of new drug candidates, particularly in therapeutic areas requiring complex molecular architectures.
• API Synthesis: Used in the multi-step synthesis of potential Active Pharmaceutical Ingredients (APIs), leveraging its reactive functional groups for further chemical elaboration.
• Medicinal Chemistry Research: Serves as a core scaffold for structure-activity relationship (SAR) studies in drug discovery programs targeting various diseases.
• Biochemical Tool Compound: Potential use in biochemical assays and as a probe for studying biological pathways and enzyme interactions in academic and industrial R&D.
• Custom Synthesis Building Block: Employed by fine chemical suppliers for the custom synthesis of more complex, proprietary molecules for client-specific projects.

Basic Information

Product Name	2-((2-Oxotetrahydrofuran-3-Yl)Thio)-3,5,6,7-Tetrahydro-4H-Cyclopenta[4,5]Thieno[2,3-D]Pyrimidin-4-One
CAS No.	488797-10-0
Molecular Formula	C13H12N2O2S2
Molecular Weight	292.37 g/mol
Synonyms	2-[(2-Oxotetrahydro-3-furanyl)thio]-3,5,6,7-tetrahydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one; 4H-Cyclopenta[4,5]thieno[2,3-d]pyrimidin-4-one, 2-[(2-oxotetrahydro-3-furanyl)thio]-3,5,6,7-tetrahydro-; CAS 488797-10-0; Cyclopentathienopyrimidinone derivative; Fused thieno[2,3-d]pyrimidine intermediate; Tetrahydrocyclopentathienopyrimidinone.
EINECS	Contact for details

Quality Control

Every batch of 2-((2-Oxotetrahydrofuran-3-Yl)Thio)-3,5,6,7-Tetrahydro-4H-Cyclopenta[4,5]Thieno[2,3-D]Pyrimidin-4-One is manufactured under strict quality management systems. We employ advanced analytical techniques including HPLC, NMR, and MS to ensure identity, purity, and consistency meet the exacting standards required for pharmaceutical R&D. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment.

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 storing under an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Any single impurity ≤ 0.5%; Total impurities ≤ 2.0%
Residual Solvents (GC)	Complies with ICH Q3C guidelines
Water Content (KF)	≤ 0.5%
Heavy Metals	≤ 20 ppm

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