Description

Ethyl 3-(Benzylthio)-6,6-Dimethyl-4-Oxo-4,5,6,7-Tetrahydrobenzo[C]Thiophene-1-Carboxylate is a high-purity, advanced pharmaceutical intermediate with a complex heterocyclic structure. This compound is valued for its role as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring sophisticated molecular scaffolds. It is primarily sought by research institutions, pharmaceutical R&D laboratories, and fine chemical manufacturers engaged in developing new drug candidates.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug molecules, particularly those with fused thiophene and tetrahydrobenzene ring systems.
• Organic Synthesis Building Block: Used in research-scale and process chemistry for constructing novel heterocyclic compounds due to its reactive ester and thioether functionalities.
• Medicinal Chemistry Research: Serves as a core scaffold for structure-activity relationship (SAR) studies in the discovery of new therapeutic agents.
• Agrochemical Intermediate: Potential use in the development of new crop protection agents that utilize similar bicyclic frameworks.
• Material Science Research: Investigated as a monomer or precursor for specialty polymers and advanced organic materials.

Basic Information

Product Name	Ethyl 3-(Benzylthio)-6,6-Dimethyl-4-Oxo-4,5,6,7-Tetrahydrobenzo[C]Thiophene-1-Carboxylate
CAS No.	172516-45-9
Molecular Formula	C20H22O3S2
Molecular Weight	374.52 g/mol
Synonyms	Ethyl 3-(benzylthio)-6,6-dimethyl-4-oxo-4,5,6,7-tetrahydro-1-benzothiophene-1-carboxylate; 1-Benzothiophene-1-carboxylic acid, 4,5,6,7-tetrahydro-3-[(phenylmethyl)thio]-6,6-dimethyl-4-oxo-, ethyl ester; 6,6-Dimethyl-4-oxo-3-(phenylmethylthio)-4,5,6,7-tetrahydrobenzo[c]thiophene-1-carboxylic acid ethyl ester; Ethyl 6,6-dimethyl-4-oxo-3-(phenylmethylthio)-4,5,6,7-tetrahydro-1-benzothiophene-1-carboxylate; CAS 172516-45-9
EINECS	Contact for details

Quality Control

Our Ethyl 3-(Benzylthio)-6,6-Dimethyl-4-Oxo-4,5,6,7-Tetrahydrobenzo[C]Thiophene-1-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory needs.

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 strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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