Description

Ethyl 3-(Allylthio)-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 key synthetic building block in the development of novel active pharmaceutical ingredients (APIs). It is primarily required by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for process development and scale-up activities.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of complex drug molecules, particularly those targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Research: Serves as a building block for developing new active ingredients in crop protection products, such as herbicides and fungicides.
• Organic Synthesis: Used in academic and industrial R&D labs for constructing complex thiophene and tetrahydrobenzothiophene ring systems.
• Material Science Research: Investigated as a monomer or precursor for specialty polymers and advanced organic materials with specific electronic properties.

Basic Information

Product Name	Ethyl 3-(Allylthio)-4-Oxo-4,5,6,7-Tetrahydrobenzo[C]Thiophene-1-Carboxylate
CAS No.	172516-32-4
Molecular Formula	C14H16O3S2
Molecular Weight	296.40 g/mol
Synonyms	Ethyl 3-(allylsulfanyl)-4-oxo-4,5,6,7-tetrahydro-1-benzothiophene-1-carboxylate; 1-Benzothiophene-1-carboxylic acid, 4,5,6,7-tetrahydro-3-[(2-propen-1-yl)thio]-4-oxo-, ethyl ester; 3-(Allylthio)-4-oxo-4,5,6,7-tetrahydrobenzo[c]thiophene-1-carboxylic acid ethyl ester; Allylthiotetrahydrobenzothiophenone carboxylate
EINECS	Contact for details

Quality Control

Our production of Ethyl 3-(Allylthio)-4-Oxo-4,5,6,7-Tetrahydrobenzo[C]Thiophene-1-Carboxylate adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, 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 compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal stability.

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	≤ 10 ppm

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