Description

4H-Cyclopenta[B]Thiophene-6-Carboxamide, 5,6-Dihydro-2-Methyl-4-Oxo- is a high-purity, heterocyclic organic compound with a fused thiophene and cyclopentane structure, serving as a critical advanced intermediate in modern synthetic chemistry. Its unique molecular architecture makes it a valuable building block for the development of novel active pharmaceutical ingredients (APIs) and functional materials. This product is essential for research and development teams in the pharmaceutical, agrochemical, and specialty chemical industries seeking to synthesize complex molecules with specific biological or material properties.

Application

• Pharmaceutical Intermediate: A key synthon for the research and synthesis of novel drug candidates, particularly in therapeutic areas targeting specific enzyme inhibition.
• Agrochemical Research: Used in the development of new herbicides, fungicides, or insecticides, leveraging its heterocyclic core for bioactivity.
• Material Science Precursor: Serves as a building block for organic electronic materials, such as components for organic light-emitting diodes (OLEDs) or semiconductors.
• Chemical Synthesis: Employed in academic and industrial R&D for constructing complex polycyclic frameworks and exploring new chemical reactions.
• Ligand & Catalyst Development: Potential use in designing novel ligands for catalytic systems or metal-organic frameworks (MOFs).

Basic Information

Product Name	4H-Cyclopenta[B]Thiophene-6-Carboxamide, 5,6-Dihydro-2-Methyl-4-Oxo-
CAS No.	111124-89-1
Molecular Formula	C9H9NO2S
Molecular Weight	195.24 g/mol
Synonyms	5,6-Dihydro-2-methyl-4-oxo-4H-cyclopenta[b]thiophene-6-carboxamide; 2-Methyl-4-oxo-4,5,6,7-tetrahydro-1-benzothiophene-6-carboxamide; 4-Oxo-4,5,6,7-tetrahydro-1-benzothiophene-6-carboxamide, 2-methyl-; 6-Carbamoyl-5,6-dihydro-2-methyl-4H-cyclopenta[b]thiophen-4-one
EINECS	Contact for details

Quality Control

Our 4H-Cyclopenta[B]Thiophene-6-Carboxamide, 5,6-Dihydro-2-Methyl-4-Oxo- is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods (IR, NMR), to ensure it meets exacting R&D and production standards. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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