Description

Ethyl 4-((3-Allyl-4-Oxo-3,4,5,6,7,8-Hexahydrobenzo[4,5]Thieno[2,3-D]Pyrimidin-2-Yl)Thio)-3-Oxobutanoate is a high-purity, advanced pharmaceutical intermediate characterized by its complex fused-ring heterocyclic structure. This compound serves as a critical building block in modern organic synthesis, enabling the development of novel active pharmaceutical ingredients (APIs). It is primarily required by research institutions and pharmaceutical manufacturers engaged in the discovery and production of new therapeutic agents.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates targeting various therapeutic areas.
• Organic Synthesis Building Block: Used in complex multi-step synthetic routes to construct fused heterocyclic systems common in medicinal chemistry.
• Research & Development (R&D): Essential for academic and industrial research programs focused on developing new chemical entities and exploring structure-activity relationships.
• Active Pharmaceutical Ingredient (API) Development: Employed in the pilot-scale and commercial-scale synthesis of investigational and approved APIs.
• Chemical Biology Probes: Can be utilized to create specialized molecular probes for studying biological pathways and target validation.

Basic Information

Item	Details
Product Name	Ethyl 4-((3-Allyl-4-Oxo-3,4,5,6,7,8-Hexahydrobenzo[4,5]Thieno[2,3-D]Pyrimidin-2-Yl)Thio)-3-Oxobutanoate
CAS No.	304683-96-3
Molecular Formula	C19H22N2O3S2
Molecular Weight	390.52 g/mol
Synonyms	Ethyl 3-oxo-4-[(3-allyl-4-oxo-5,6,7,8-tetrahydro-3H-benzo[4,5]thieno[2,3-d]pyrimidin-2-yl)sulfanyl]butanoate; 2-[(3-Carboxy-1-oxoprop-2-enyl)thio]-3-allyl-5,6,7,8-tetrahydro-3H-benzo[4,5]thieno[2,3-d]pyrimidin-4-one ethyl ester; Ethyl 4-[(3-allyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio]-3-oxobutanoate; Butanoic acid, 4-[(3-allyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio]-3-oxo-, ethyl ester
EINECS	Contact for details

Quality Control

Our Ethyl 4-((3-Allyl-4-Oxo-3,4,5,6,7,8-Hexahydrobenzo[4,5]Thieno[2,3-D]Pyrimidin-2-Yl)Thio)-3-Oxobutanoate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). The compound may be moisture-sensitive; keep the container tightly sealed when not in use.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (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.