Description

Ethyl 4-Oxo-3-(Propylthio)-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 frameworks. It is primarily sought by research institutions and manufacturers in the global pharmaceutical and fine chemical industries for developing new drug candidates.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug molecules, particularly those targeting central nervous system (CNS) disorders or possessing specific receptor activity.
• Organic Synthesis Building Block: Used in research and development for constructing complex fused-ring systems common in medicinal chemistry.
• Agrochemical Research: Serves as a starting material for developing new active ingredients for crop protection products, leveraging its unique thiophene and tetrahydrobenzo structure.
• Material Science Research: Investigated as a monomer or precursor for specialty polymers and organic electronic materials due to its conjugated system potential.
• Contract Research & Manufacturing (CRAM): Supplied to organizations engaged in custom synthesis and process development for client-specific projects.

Basic Information

Product Name	Ethyl 4-Oxo-3-(Propylthio)-4,5,6,7-Tetrahydrobenzo[C]Thiophene-1-Carboxylate
CAS No.	172516-30-2
Molecular Formula	C15H20O3S2
Molecular Weight	312.45 g/mol
Synonyms	Ethyl 3-(propylthio)-4-oxo-4,5,6,7-tetrahydro-1-benzothiophene-1-carboxylate; 4,5,6,7-Tetrahydro-4-oxo-3-(propylthio)benzo[c]thiophene-1-carboxylic Acid Ethyl Ester; 1-Benzothiophene-1-carboxylic acid, 4,5,6,7-tetrahydro-4-oxo-3-(propylthio)-, ethyl ester; Ethyl 4-oxo-3-propylsulfanyl-4,5,6,7-tetrahydro-1-benzothiophene-1-carboxylate
EINECS	Contact for details

Quality Control

Our Ethyl 4-Oxo-3-(Propylthio)-4,5,6,7-Tetrahydrobenzo[C]Thiophene-1-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is 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 heat, sparks, and open flame. The container should be kept tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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