Description

2-Thiophenecarboxylic Acid, 5-Ethyl-, Methyl Ester is a high-purity organic sulfur compound, specifically a thiophene derivative, that serves as a critical building block in advanced chemical synthesis. Its value lies in providing a functionalized heterocyclic core essential for creating complex molecules with tailored properties. This intermediate is primarily needed by research institutions and industrial manufacturers in the pharmaceutical and agrochemical sectors for the development of new active ingredients and specialty materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and production of novel drug candidates, particularly those targeting central nervous system and anti-inflammatory pathways.
• Agrochemical Synthesis: Used in the development of next-generation pesticides and herbicides, where the thiophene moiety contributes to biological activity.
• Material Science Research: Serves as a precursor for functional polymers and organic electronic materials, such as conductive polymers and organic semiconductors.
• Ligand and Catalyst Development: Employed in the synthesis of specialized ligands for metal catalysis and coordination chemistry.
• Flavor & Fragrance Industry: Acts as an intermediate for creating complex sulfur-containing aroma compounds.
• Organic Synthesis Building Block: Utilized in academic and industrial R&D for constructing diverse heterocyclic compounds and complex molecular architectures.

Basic Information

Product Name	2-Thiophenecarboxylic Acid, 5-Ethyl-, Methyl Ester
CAS No.	91086-68-9
Molecular Formula	C8H10O2S
Molecular Weight	170.23 g/mol
Synonyms	Methyl 5-ethyl-2-thiophenecarboxylate; 5-Ethyl-2-thiophenecarboxylic acid methyl ester; Methyl 5-ethylthiophene-2-carboxylate; 2-Thiophenecarboxylic acid, 5-ethyl-, methyl ester; 5-Ethylthiophene-2-carboxylic acid methyl ester; 2-Carbomethoxy-5-ethylthiophene
EINECS	Contact for details

Quality Control

Our production of 2-Thiophenecarboxylic Acid, 5-Ethyl-, Methyl Ester adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency meet the exacting standards required for synthetic applications. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications.

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 and bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.