Description

3-Thiophenecarboxylicacid,2-Ethoxy-4,5-Dihydro-,Ethylester(9Ci) is a specialized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of novel pharmaceuticals and agrochemicals, where its unique thiophene core enables the creation of molecules with targeted biological activity. It is primarily needed by research and development chemists in the pharmaceutical, agrochemical, and material science industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in drug discovery programs targeting central nervous system (CNS) disorders and metabolic diseases.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides, leveraging the bioactivity of the thiophene moiety.
• Material Science Research: Serves as a monomer or precursor in the development of conductive polymers, organic semiconductors, and advanced organic electronic materials.
• Chemical Research & Development: Employed as a versatile synthon in academic and industrial R&D for exploring new heterocyclic chemistry and creating complex molecular libraries.
• Ligand and Catalyst Development: Utilized in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).

Basic Information

Item	Details
Product Name	3-Thiophenecarboxylicacid,2-Ethoxy-4,5-Dihydro-,Ethylester(9Ci)
CAS No.	158875-36-6
Molecular Formula	C9H12O3S
Molecular Weight	200.25 g/mol
Synonyms	2-Ethoxy-4,5-dihydrothiophene-3-carboxylic acid ethyl ester; Ethyl 2-ethoxy-4,5-dihydro-3-thiophenecarboxylate; 2-Ethoxy-4,5-dihydrothiophene-3-carboxylic acid ethyl ester (9CI); 3-Thiophenecarboxylic acid, 2-ethoxy-4,5-dihydro-, ethyl ester; 158875-36-6; Ethyl 2-ethoxy-4,5-dihydrothiophene-3-carboxylate
EINECS	Contact for details

Quality Control

Our 3-Thiophenecarboxylicacid,2-Ethoxy-4,5-Dihydro-,Ethylester(9Ci) is produced under strict quality management protocols. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and batch-to-batch consistency essential for sensitive R&D and scale-up processes. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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