Description

5,6,7,8-Tetrahydro-4H-Cyclohepta[B]Thiophene-2-Carboxylic Acid Ethyl Ester is a high-purity, specialized organic building block featuring a fused thiophene-cycloheptane ring system. This compound is valued for its unique molecular architecture, which serves as a critical scaffold in advanced pharmaceutical and agrochemical research and development. It is primarily sought by R&D chemists and process development scientists in the fine chemical, pharmaceutical, and agrochemical industries for synthesizing novel active ingredients and complex intermediates.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing complex polycyclic structures.
• Agrochemical Research: Used as a core building block for developing new herbicides, fungicides, or insecticides with unique modes of action.
• Material Science: Potential monomer or precursor for creating specialized polymers or organic electronic materials due to the thiophene moiety.
• Chemical Synthesis: Serves as a versatile intermediate in organic synthesis for constructing complex, fused-ring systems in academic and industrial research settings.
• Ligand & Catalyst Development: The sulfur and ester functionalities make it a candidate for developing novel ligands for metal catalysis or organocatalysts.

Basic Information

Product Name	5,6,7,8-Tetrahydro-4H-Cyclohepta[B]Thiophene-2-Carboxylic Acid Ethyl Ester
CAS No.	19282-46-3
Molecular Formula	C12H16O2S
Molecular Weight	224.32 g/mol
Synonyms	Ethyl 5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophene-2-carboxylate; 4H-Cyclohepta[b]thiophene-2-carboxylic acid, 5,6,7,8-tetrahydro-, ethyl ester; Ethyl 5,6,7,8-tetrahydrocyclohepta[b]thiophene-2-carboxylate; Tetrahydrocycloheptathiophene-2-carboxylic acid ethyl ester
EINECS	Contact for details

Quality Control

Our 5,6,7,8-Tetrahydro-4H-Cyclohepta[B]Thiophene-2-Carboxylic Acid Ethyl Ester is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques like HPLC, GC, and NMR to confirm identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment, ensuring full traceability and compliance with your research or production requirements.

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 strong oxidizing agents, strong acids, and strong bases.

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.