Description

5,6-Dihydro-4H-Cyclopenta[B]Thiophene-3-Carboxylic Acid is a high-value, heterocyclic carboxylic acid derivative that serves as a critical synthetic intermediate in advanced organic chemistry. Its unique fused-ring structure containing both cyclopentane and thiophene moieties makes it a versatile building block for constructing complex molecular architectures. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, particularly for the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and metabolic diseases.
• Agrochemical Synthesis: Used in the development of new-generation herbicides, fungicides, and insecticides, leveraging its heterocyclic scaffold for bioactivity.
• Material Science Research: Serves as a monomer or functional unit in the development of organic semiconductors, conductive polymers, and advanced organic electronic materials.
• Chemical Synthesis Building Block: Employed in organic synthesis for constructing complex polycyclic structures via reactions like cycloadditions, cross-couplings, and functional group transformations.
• Ligand and Catalyst Development: Utilized to create novel chelating ligands or organocatalysts for asymmetric synthesis and metal-catalyzed reactions.

Basic Information

Product Name	5,6-Dihydro-4H-Cyclopenta[B]Thiophene-3-Carboxylic Acid
CAS No.	19156-53-7
Molecular Formula	C8H8O2S
Molecular Weight	168.21 g/mol
Synonyms	4,5,6,7-Tetrahydro-3-thiophenecarboxylic acid, Cyclopenteno[b]thiophene-3-carboxylic acid; 5,6-Dihydro-4H-cyclopenta[b]thiophene-3-carboxylic acid; 3-Carboxy-4,5,6,7-tetrahydrobenzo[b]thiophene; 4,5,6,7-Tetrahydrobenzo[b]thiophene-3-carboxylic acid; 3-Thiophenecarboxylic acid, 4,5,6,7-tetrahydro-
EINECS	Contact for details

Quality Control

Our 5,6-Dihydro-4H-Cyclopenta[B]Thiophene-3-Carboxylic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical quality parameters. Our commitment to quality supports your R&D and scale-up processes with reliable, high-purity material.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents and strong bases. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.