Description

Ethyl 2-(3-Benzoylthioureido)-5,5-dimethyl-5,7-dihydro-4H-thieno[2,3-c]pyran-3-carboxylate is a high-purity, advanced pharmaceutical intermediate with a complex heterocyclic structure. This compound matters for its role as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring sophisticated molecular architectures. Pharmaceutical R&D laboratories and fine chemical manufacturers need this material to develop new drug candidates targeting a range of diseases.

Application

• Pharmaceutical Intermediate: A key precursor in the research and development of new chemical entities (NCEs) and active pharmaceutical ingredients (APIs).
• Medicinal Chemistry Research: Used as a scaffold or building block for constructing complex heterocyclic libraries for high-throughput screening and structure-activity relationship (SAR) studies.
• Organic Synthesis: Serves as a versatile substrate for further chemical modifications, including hydrolysis, reduction, and coupling reactions, due to its reactive functional groups.
• Contract Research & Manufacturing (CRAM): Supplied to organizations specializing in the custom synthesis of complex molecules for clinical trial materials.
• Academic Research: Utilized in university and institutional labs for investigating novel synthetic pathways and reaction mechanisms involving fused thienopyran systems.

Basic Information

Product Name	Ethyl 2-(3-Benzoylthioureido)-5,5-dimethyl-5,7-dihydro-4H-thieno[2,3-c]pyran-3-carboxylate
CAS No.	314042-00-7
Molecular Formula	C20H22N2O4S2
Molecular Weight	418.53 g/mol
Synonyms	Ethyl 2-[(3-benzoylthioureido)]-5,5-dimethyl-5,7-dihydro-4H-thieno[2,3-c]pyran-3-carboxylate; 2-(3-Benzoylthioureido)-5,5-dimethyl-5,7-dihydro-4H-thieno[2,3-c]pyran-3-carboxylic Acid Ethyl Ester; 4H-Thieno[2,3-c]pyran-3-carboxylic acid, 2-[[(benzoylamino)thioxomethyl]amino]-5,5-dimethyl-5,7-dihydro-, ethyl ester; CAS 314042-00-7
EINECS	Contact for details

Quality Control

Our Ethyl 2-(3-Benzoylthioureido)-5,5-dimethyl-5,7-dihydro-4H-thieno[2,3-c]pyran-3-carboxylate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by NMR and IR spectroscopy, to ensure it meets the high standards required for pharmaceutical research. 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 place at a controlled room temperature (typically 15-25°C). This material may be hygroscopic; keep the container tightly sealed in a dry environment to prevent moisture uptake.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
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.