Description

Ethyl 2-(2-(1,3-Dioxo-1H-Benzo[De]Isoquinolin-2(3H)-Yl)Acetamido)-5,6-Dihydro-4H-Cyclopenta[B]Thiophene-3-Carboxylate is a high-purity, advanced pharmaceutical intermediate characterized by its complex fused-ring 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 utilized by research institutions and pharmaceutical manufacturers engaged in the development of new chemical entities and specialty fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key building block in the synthesis of complex drug candidates, especially those targeting central nervous system (CNS) disorders or oncology.
• Organic Synthesis Research: Used in academic and industrial R&D for constructing novel heterocyclic compounds and studying structure-activity relationships (SAR).
• API Development: Integral in the process development and scale-up of new active pharmaceutical ingredients requiring a naphthalimide-thiophene hybrid core.
• Chemical Biology Probes: Acts as a precursor for fluorescent tags or molecular probes due to its conjugated aromatic system.
• Material Science Research: Investigated as a potential monomer or precursor for specialty polymers and organic electronic materials.

Basic Information

Product Name	Ethyl 2-(2-(1,3-Dioxo-1H-Benzo[De]Isoquinolin-2(3H)-Yl)Acetamido)-5,6-Dihydro-4H-Cyclopenta[B]Thiophene-3-Carboxylate
CAS No.	326889-85-4
Molecular Formula	C25H20N2O5S
Molecular Weight	460.50 g/mol
Synonyms	Ethyl 2-[[2-(1,3-dioxo-1H-benz[de]isoquinolin-2(3H)-yl)acetyl]amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate; 2-(1,3-Dioxo-1H-benzo[de]isoquinolin-2(3H)-yl)-N-[3-(ethoxycarbonyl)-4,5,6,7-tetrahydro-1-benzothiophen-2-yl]acetamide; 4,5,6,7-Tetrahydro-1-benzothiophene-3-carboxylic acid, 2-[[2-(1,3-dihydro-1,3-dioxo-2H-benz[de]isoquinolin-2-yl)acetyl]amino]-, ethyl ester; Naphthalimide-thiophene carboxylate derivative; CAS 326889-85-4
EINECS	Contact for details

Quality Control

Our production of Ethyl 2-(2-(1,3-Dioxo-1H-Benzo[De]Isoquinolin-2(3H)-Yl)Acetamido)-5,6-Dihydro-4H-Cyclopenta[B]Thiophene-3-Carboxylate adheres to stringent quality management systems, ensuring batch-to-batch consistency for research and development purposes. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We commit to specifications that meet the exacting standards required for pharmaceutical intermediate applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). The compound may be light-sensitive; prolonged exposure to light should be avoided. Keep the container tightly sealed in a dry environment to minimize moisture uptake.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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