Description

Ethyl 2-(3-Carboxy-Propionyl-Amino)-5,6-Dihydro-Cyclopenta[B]Thiophene-3-Carboxylate is a high-purity, advanced pharmaceutical intermediate with a complex heterocyclic structure. This compound is of significant value for its role as a key building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring sophisticated molecular architectures. It is primarily sought after by research institutions, custom synthesis houses, and pharmaceutical manufacturers engaged in the development of new chemical entities and proprietary drug candidates.

Application

• Pharmaceutical Intermediate: A critical precursor in the multi-step synthesis of complex drug molecules, especially those targeting specific enzyme pathways.
• API Synthesis: Serves as a core scaffold for constructing novel Active Pharmaceutical Ingredients with potential therapeutic applications.
• Medicinal Chemistry Research: Used in research and development for structure-activity relationship (SAR) studies and lead optimization.
• Custom Synthesis & Contract Manufacturing: A key material for companies specializing in the production of bespoke fine chemicals for the life sciences industry.
• Bioconjugation & Probe Development: Its functional groups make it suitable for developing chemical probes or conjugates for biochemical research.

Basic Information

Product Name	Ethyl 2-(3-Carboxy-Propionyl-Amino)-5,6-Dihydro-Cyclopenta[B]Thiophene-3-Carboxylate
CAS No.	314282-21-8
Molecular Formula	C15H17NO5S
Molecular Weight	323.36 g/mol
Synonyms	Ethyl 2-[(3-carboxypropanoyl)amino]-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate; 2-[(3-Carboxypropanoyl)amino]-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylic acid ethyl ester; Ethyl 2-(3-carboxypropionamido)-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate; 5,6-Dihydro-4H-cyclopenta[b]thiophene-3-carboxylic acid, 2-[(3-carboxy-1-oxopropyl)amino]-, ethyl ester; CAS 314282-21-8; Cyclopentathiophene carboxylate intermediate
EINECS	Contact for details

Quality Control

Our production of Ethyl 2-(3-Carboxy-Propionyl-Amino)-5,6-Dihydro-Cyclopenta[B]Thiophene-3-Carboxylate adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific client requirements or internal quality standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. For long-term storage, consider using desiccants or an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 1.0%
Water Content (KF)	≤ 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.