Description

Ethyl 2-[(4-tert-Butylbenzoyl)Amino]-5,6-Dihydro-4H-Cyclopenta[B]Thiophene-3-Carboxylate is a high-purity, advanced pharmaceutical intermediate characterized by its complex heterocyclic structure. This compound is valued for its role as a critical building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those targeting specific therapeutic pathways. It is essential for research and development chemists and manufacturers in the pharmaceutical and fine chemical industries seeking to develop new drug candidates.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of proprietary drug molecules, especially in medicinal chemistry research.
• API Development: Serves as a core scaffold for the development of new Active Pharmaceutical Ingredients with potential therapeutic applications.
• Chemical Synthesis: Used in organic synthesis for constructing complex fused-ring systems containing thiophene and cyclopentane motifs.
• R&D Reference Standard: Employed as a high-purity reference material in analytical method development and quality control laboratories.
• Fine Chemical Production: Integral in the multi-step synthesis of specialty fine chemicals for advanced material science applications.

Basic Information

Product Name	Ethyl 2-[(4-tert-Butylbenzoyl)Amino]-5,6-Dihydro-4H-Cyclopenta[B]Thiophene-3-Carboxylate
CAS No.	301224-23-7
Molecular Formula	C21H25NO3S
Molecular Weight	371.50 g/mol
Synonyms	Ethyl 2-[(4-tert-butylbenzoyl)amino]-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylate; 2-[(4-tert-Butylbenzoyl)amino]-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylic acid ethyl ester; 4H-Cyclopenta[b]thiophene-3-carboxylic acid, 2-[(4-(1,1-dimethylethyl)benzoyl)amino]-5,6-dihydro-, ethyl ester; Ethyl 2-(4-tert-butylbenzamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxylate; CAS 301224-23-7
EINECS	Contact for details

Quality Control

Our Ethyl 2-[(4-tert-Butylbenzoyl)Amino]-5,6-Dihydro-4H-Cyclopenta[B]Thiophene-3-Carboxylate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every 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 place at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials and sources of ignition.

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%
Related Substances (HPLC)	Any single impurity ≤ 0.5%, Total impurities ≤ 1.5%
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.