Description

Ethyl 3-(Butylthio)-4-Oxo-4,5,6,7-Tetrahydrobenzo[C]Thiophene-1-Carboxylate is a high-purity, synthetic organic compound belonging to the class of tetrahydrobenzothiophene derivatives. This specialty chemical serves as a critical advanced pharmaceutical intermediate and a versatile building block in complex organic synthesis. It is primarily required by R&D and production teams in the pharmaceutical, agrochemical, and material science sectors for developing novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing specific receptor activity.
• Agrochemical Synthesis: Serves as a core scaffold for developing new-generation herbicides, fungicides, or plant growth regulators with enhanced efficacy.
• Organic Light-Emitting Diode (OLED) Materials: Potential building block for electron-transport or host materials in OLED displays and lighting due to its fused heterocyclic structure.
• Ligand and Catalyst Development: Used in organometallic chemistry to create novel ligands for catalytic applications in asymmetric synthesis.
• Chemical Research & Development: A valuable reagent for academic and industrial research exploring new heterocyclic chemistry and structure-activity relationships (SAR).
• Specialty Polymer Modification: Can be incorporated as a functional monomer to impart specific thermal or electronic properties to advanced polymers.

Basic Information

Product Name	Ethyl 3-(Butylthio)-4-Oxo-4,5,6,7-Tetrahydrobenzo[C]Thiophene-1-Carboxylate
CAS No.	172516-33-5
Molecular Formula	C15H20O3S2
Molecular Weight	312.45 g/mol
Synonyms	Ethyl 3-(butylthio)-4-oxo-4,5,6,7-tetrahydro-1-benzothiophene-1-carboxylate; 1-Benzothiophene-1-carboxylic acid, 4,5,6,7-tetrahydro-3-(butylthio)-4-oxo-, ethyl ester; 3-Butylsulfanyl-4-oxo-4,5,6,7-tetrahydro-1-benzothiophene-1-carboxylic acid ethyl ester; Ethyl 3-butylsulfanyl-4-oxo-4,5,6,7-tetrahydrobenzo[c]thiophene-1-carboxylate; Tetrahydrobenzothiophene derivative CAS 172516-33-5
EINECS	Contact for details

Quality Control

Our production of Ethyl 3-(Butylthio)-4-Oxo-4,5,6,7-Tetrahydrobenzo[C]Thiophene-1-Carboxylate adheres to stringent in-process controls and final batch release testing. We guarantee high chemical purity and lot-to-lot consistency, supported by comprehensive analytical documentation. A detailed Certificate of Analysis (COA) providing specifications for identity, assay, and impurity profiles is supplied with each shipment.

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 and incompatible materials.

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%
Single Unknown Impurity	≤ 0.5%
Residual Solvents (GC)	Complies with ICH Q3C guidelines
Loss on Drying	≤ 0.5%

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