Description

2-Thiophenecarboxylicacid,3-Ethoxy-5-Methoxy-(9Ci) is a functionalized thiophene derivative, a key heterocyclic building block in advanced organic synthesis. This compound matters for its role as a versatile intermediate in the development of complex molecules, particularly in the pharmaceutical and agrochemical sectors. It is needed by R&D chemists and process development scientists working on active pharmaceutical ingredients (APIs), specialty agrochemicals, and functional materials where precise molecular architecture is critical.

Application

• Pharmaceutical Intermediate: Serves as a crucial synthon in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders or possessing anti-inflammatory properties.
• Agrochemical Research: Used in the development of new-generation herbicides, fungicides, and insecticides, leveraging the thiophene moiety for bioactivity.
• Material Science Precursor: Acts as a monomer or functionalizing agent in the production of conductive polymers, organic semiconductors, and non-linear optical (NLO) materials.
• Ligand Synthesis: Employed in the preparation of specialized ligands for catalysis, including those used in cross-coupling reactions and asymmetric synthesis.
• Dye & Pigment Manufacturing: Functions as an intermediate for creating specialized dyes and organic pigments with specific light-absorption properties.
• Academic & Industrial R&D: A valuable reagent for methodological studies and exploring new chemical spaces in heterocyclic chemistry.

Basic Information

Product Name	2-Thiophenecarboxylicacid,3-Ethoxy-5-Methoxy-(9Ci)
CAS No.	95202-11-2
Molecular Formula	C8H10O3S
Molecular Weight	186.23 g/mol
Synonyms	3-Ethoxy-5-methoxythiophene-2-carboxylic acid; 2-Thiophenecarboxylic acid, 3-ethoxy-5-methoxy-; 3-Ethoxy-5-methoxy-2-thiophenecarboxylic acid; 5-Methoxy-3-ethoxythiophene-2-carboxylic acid; Thiophene-2-carboxylic acid, 3-ethoxy-5-methoxy- derivative; 3-Ethoxy-5-methoxythiophene-2-carboxylate (acid form); 95202-11-2 (CAS)
EINECS	Contact for details

Quality Control

Our 2-Thiophenecarboxylicacid,3-Ethoxy-5-Methoxy-(9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flames. Due to its light-sensitive nature, prolonged exposure to light should be avoided.

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.