Description

Methyl 3-Acetyl-5,6-Dihydro-4H-Cyclopenta[C]Thiophene-1-Carboxylate CAS NO 1414377-89-1 is a high-purity, advanced pharmaceutical intermediate characterized by its fused cyclopentathiophene core structure. This compound is of significant value in organic synthesis, serving as a critical building block for the development of novel active pharmaceutical ingredients (APIs) and functional materials. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for its role in constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders and inflammatory diseases.
• Agrochemical Research: Used in the development of new herbicides and pesticides, leveraging its heterocyclic structure for biological activity.
• Material Science: Serves as a monomer or building block for creating specialized polymers and organic electronic materials.
• Chemical Synthesis: Employed in academic and industrial R&D for constructing complex fused-ring systems and exploring new chemical reactions.
• Ligand & Catalyst Development: The functional groups present make it a candidate for developing novel ligands in catalytic processes.

Basic Information

Item	Details
Product Name	Methyl 3-Acetyl-5,6-Dihydro-4H-Cyclopenta[C]Thiophene-1-Carboxylate
CAS No.	1414377-89-1
Molecular Formula	C11H12O3S
Molecular Weight	224.27 g/mol
Synonyms	Methyl 3-acetyl-4,5,6,7-tetrahydro-1-benzothiophene-1-carboxylate; 3-Acetyl-5,6-dihydro-4H-cyclopenta[c]thiophene-1-carboxylic acid methyl ester; 1-(5,6-Dihydro-4H-cyclopenta[c]thiophen-3-yl)ethan-1-one 1-carboxylic acid methyl ester; Cyclopentathiophene carboxylate derivative; CAS 1414377-89-1
EINECS	Contact for details

Quality Control

Our production of Methyl 3-Acetyl-5,6-Dihydro-4H-Cyclopenta[C]Thiophene-1-Carboxylate adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with every shipment, confirming compliance with customer specifications and supporting regulatory filings for pharmaceutical development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents. 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 (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Residual Solvents (GC)	Meets ICH Q3C guidelines
Water Content (KF)	≤ 0.5%

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