Description

Methyl 3-(Ethylthio)-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 active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring sophisticated molecular architectures. It is primarily sought by research institutions and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries for developing novel compounds and process optimization.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug molecules, particularly those with fused thiophene and cyclohexanone rings.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products, leveraging its unique sulfur-containing heterocycle.
• Organic Synthesis Building Block: Employed in academic and industrial R&D for constructing complex polycyclic frameworks in medicinal chemistry.
• Material Science Precursor: Investigated for the synthesis of organic electronic materials due to its conjugated system potential.
• Chemical Reference Standard: Serves as a high-purity analytical standard for quality control and method development in analytical laboratories.

Basic Information

Product Name	Methyl 3-(Ethylthio)-6,6-Dimethyl-4-Oxo-4,5,6,7-Tetrahydrobenzo[C]Thiophene-1-Carboxylate
CAS No.	172516-42-6
Molecular Formula	C14H18O3S2
Molecular Weight	298.42 g/mol
Synonyms	Methyl 3-(ethylthio)-6,6-dimethyl-4-oxo-4,5,6,7-tetrahydro-1-benzothiophene-1-carboxylate; 6,6-Dimethyl-4-oxo-3-(ethylthio)-4,5,6,7-tetrahydrobenzo[c]thiophene-1-carboxylic acid methyl ester; 3-(Ethylthio)-6,6-dimethyl-4-oxo-4,5,6,7-tetrahydro-1-benzothiophene-1-carboxylic Acid Methyl Ester; 172516-42-6; Tetrahydrobenzo[c]thiophene carboxylate derivative
EINECS	Contact for details

Quality Control

Our production of Methyl 3-(Ethylthio)-6,6-Dimethyl-4-Oxo-4,5,6,7-Tetrahydrobenzo[C]Thiophene-1-Carboxylate adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the exacting standards required for pharmaceutical intermediate applications. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific client or regulatory requirements.

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 such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline 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.