Description

Ethyl 3-(sec-Butylthio)-6,6-Dimethyl-4-Oxo-4,5,6,7-Tetrahydrobenzo[C]Thiophene-1-Carboxylate is a high-purity, advanced pharmaceutical intermediate characterized by its complex heterocyclic structure. This compound is critical for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring sophisticated molecular scaffolds. It is primarily sought after by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing new drug candidates and specialty chemicals.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-inflammatory targets.
• Agrochemical Research: Used in the development of new active ingredients for crop protection products, leveraging its unique thiophene-based structure.
• Organic Synthesis: Serves as a versatile precursor for complex heterocyclic compounds in academic and industrial research laboratories.
• Material Science: Investigated for the development of specialty polymers and organic electronic materials due to its fused ring system.

Basic Information

Product Name	Ethyl 3-(sec-Butylthio)-6,6-Dimethyl-4-Oxo-4,5,6,7-Tetrahydrobenzo[C]Thiophene-1-Carboxylate
CAS No.	172516-44-8
Molecular Formula	C17H24O3S2
Molecular Weight	340.50 g/mol
Synonyms	Ethyl 3-(1-methylpropylthio)-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-[(1-methylpropyl)thio]-6,6-dimethyl-4-oxo-, ethyl ester; 172516-44-8; Ethyl 3-(sec-butylthio)-6,6-dimethyl-4-oxo-4,5,6,7-tetrahydro-1-benzothiophene-1-carboxylate; Tetrahydrobenzo[C]thiophene-1-carboxylate derivative.
EINECS	Contact for details

Quality Control

Our Ethyl 3-(sec-Butylthio)-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, GC, and NMR, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all critical specifications. Our quality commitment aligns with cGMP standards for pharmaceutical intermediates, ensuring reliability for your most sensitive applications.

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
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Any single impurity	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines
Loss on Drying	≤ 0.5%

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