Description

Ethyl 4,5-Dimethyl-2-(2-((4-Oxo-3,5,6,7-Tetrahydro-4H-Cyclopenta[4,5]Thieno[2,3-D]Pyrimidin-2-Yl)Thio)Acetamido)Thiophene-3-Carboxylate is a high-purity, complex heterocyclic compound designed for advanced research and pharmaceutical development. This molecule serves as a critical pharmacophore or synthetic intermediate in the creation of novel therapeutic agents, particularly in kinase inhibitor and targeted oncology research. It is essential for medicinal chemists and R&D teams in the pharmaceutical, biotechnology, and fine chemical sectors seeking to develop new drug candidates with specific biological activity.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel small-molecule drugs, especially potential kinase inhibitors for oncology and inflammatory diseases.
• Medicinal Chemistry Research: Used in structure-activity relationship (SAR) studies and lead optimization programs to explore new chemical entities.
• Biochemical Tool Compound: Serves as a reference standard or probe in enzymatic assays and target validation studies within life science research.
• Advanced Organic Synthesis: Employed in complex multi-step syntheses requiring a sophisticated thiophene and fused pyrimidine scaffold.
• Contract Research & Development (CRO/CMO): Supplied to organizations specializing in custom synthesis and pre-clinical development of new chemical entities.

Basic Information

Product Name	Ethyl 4,5-Dimethyl-2-(2-((4-Oxo-3,5,6,7-Tetrahydro-4H-Cyclopenta[4,5]Thieno[2,3-D]Pyrimidin-2-Yl)Thio)Acetamido)Thiophene-3-Carboxylate
CAS No.	488129-18-6
Molecular Formula	C22H23N3O4S3
Molecular Weight	489.63 g/mol
Synonyms	Ethyl 4,5-dimethyl-2-[[2-[(4-oxo-5,6,7,8-tetrahydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-2-yl)sulfanyl]acetyl]amino]thiophene-3-carboxylate; 2-[[2-[(4-Oxo-5,6,7,8-tetrahydro-4H-cyclopenta[4,5]thieno[2,3-d]pyrimidin-2-yl)thio]acetyl]amino]-4,5-dimethyl-thiophene-3-carboxylic acid ethyl ester; 488129-18-6; Thieno[2,3-d]pyrimidine derivative; Cyclopentathienopyrimidine intermediate
EINECS	Contact for details

Quality Control

Our Ethyl 4,5-Dimethyl-2-(2-((4-Oxo-3,5,6,7-Tetrahydro-4H-Cyclopenta[4,5]Thieno[2,3-D]Pyrimidin-2-Yl)Thio)Acetamido)Thiophene-3-Carboxylate is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with customer specifications and supporting regulatory filings.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and should be handled in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.