Description

Ethyl 2-(Acetylamino)-7-oxo-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate is a high-purity, advanced pharmaceutical intermediate characterized by its complex heterocyclic structure. This compound is of significant commercial value for its role as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs). It is primarily sought by research institutions and manufacturers in the pharmaceutical and fine chemical industries engaged in developing new therapeutic agents, particularly within specialized chemical classes.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the multi-step synthesis of complex drug molecules and novel APIs.
• Organic Synthesis Building Block: Used in research and development for constructing fused heterocyclic systems, particularly those containing benzothiophene scaffolds.
• Medicinal Chemistry Research: A valuable compound for structure-activity relationship (SAR) studies and lead optimization in drug discovery programs.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals requiring high-purity, structurally complex intermediates.

Basic Information

Product Name	Ethyl 2-(Acetylamino)-7-oxo-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate
CAS No.	91421-24-8
Molecular Formula	C13H15NO4S
Molecular Weight	281.33 g/mol
Synonyms	Ethyl 2-acetamido-7-oxo-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate; 2-(Acetylamino)-7-oxo-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylic Acid Ethyl Ester; 3-Carbethoxy-2-acetamido-4,5,6,7-tetrahydrobenzo[b]thiophene-7-one; 91421-24-8; Ethyl 2-acetylamino-7-oxo-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate
EINECS	Contact for details

Quality Control

Our production of Ethyl 2-(Acetylamino)-7-oxo-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. All materials are subjected to comprehensive analytical testing, including HPLC, NMR, and mass spectrometry for identity confirmation and impurity profiling. A Certificate of Analysis (COA) detailing specific results is provided with each 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 (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider inert atmosphere conditions to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 2.0%

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