Description

2-Thiophenecarboxylicacid,3-Ethoxy-5-Ethyl-,Methylester(9Ci) is a specialized thiophene derivative, a heterocyclic compound of significant interest in advanced organic synthesis. Its unique molecular structure, featuring ethoxy and ethyl substituents, makes it a valuable building block for the development of novel materials and active compounds. This high-purity intermediate is primarily utilized by research institutions and industrial R&D departments focused on pharmaceuticals, agrochemicals, and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system and metabolic disorders.
• Agrochemical Research: Used in the development of new-generation herbicides, fungicides, and insecticides, leveraging the bioactivity of the thiophene core.
• Material Science: Acts as a monomer or functionalizing agent in the creation of conductive polymers, organic semiconductors, and advanced coatings.
• Ligand Synthesis: Employed in the preparation of complex ligands for catalysis and metal-organic frameworks (MOFs).
• Chemical Research: A versatile substrate for methodological studies in organic chemistry, including cross-coupling reactions and heterocyclic chemistry.
• Flavor & Fragrance Industry: Potential use in the synthesis of complex sulfur-containing aroma chemicals.

Basic Information

Product Name	2-Thiophenecarboxylicacid,3-Ethoxy-5-Ethyl-,Methylester(9Ci)
CAS No.	181063-74-1
Molecular Formula	C10H14O3S
Molecular Weight	214.28 g/mol
Synonyms	Methyl 3-ethoxy-5-ethylthiophene-2-carboxylate; 3-Ethoxy-5-ethyl-2-thiophenecarboxylic acid methyl ester; 2-Thiophenecarboxylic acid, 3-ethoxy-5-ethyl-, methyl ester; Methyl 3-ethoxy-5-ethyl-2-thiophenecarboxylate; 181063-74-1; 3-Ethoxy-5-ethylthiophene-2-carboxylic acid methyl ester
EINECS	Contact for details

Quality Control

We maintain a strict quality management system aligned with cGMP principles for fine chemical production. Every batch of 2-Thiophenecarboxylicacid,3-Ethoxy-5-Ethyl-,Methylester(9Ci) undergoes comprehensive analytical testing, including HPLC, GC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting all critical quality attributes.

Storage

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

Specification

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