Description

2-Thiophenecarboxylicacid,5-Cyano-4-Ethoxy-,Methylester(9Ci) is a specialized heterocyclic building block and fine chemical intermediate of significant interest in advanced organic synthesis. Its unique molecular architecture, featuring a cyano-substituted thiophene core, makes it a valuable precursor for constructing complex molecules with tailored electronic and structural properties. This compound is primarily sought after by research institutions and industrial R&D departments engaged in the development of pharmaceuticals, agrochemicals, and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for candidates targeting central nervous system (CNS) disorders and other therapeutic areas.
• Agrochemical Research: Serves as a crucial building block for developing new generation herbicides, fungicides, and insecticides with improved efficacy and selectivity.
• Material Science: Used in the research and development of organic semiconductors, conductive polymers, and non-linear optical (NLO) materials due to its electron-withdrawing cyano group and thiophene backbone.
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Dye and Pigment Synthesis: Acts as an intermediate in the production of advanced dyes and pigments for high-performance applications.

Basic Information

Item	Details
Product Name	2-Thiophenecarboxylicacid,5-Cyano-4-Ethoxy-,Methylester(9Ci)
CAS No.	181064-04-0
Molecular Formula	C9H9NO3S
Molecular Weight	211.24 g/mol
Synonyms	Methyl 5-cyano-4-ethoxy-2-thiophenecarboxylate; 4-Ethoxy-5-cyano-2-thiophenecarboxylic acid methyl ester; 5-Cyano-4-ethoxy-2-thiophenecarboxylic acid methyl ester; Methyl 4-ethoxy-5-cyanothiophene-2-carboxylate; 2-Thiophenecarboxylic acid, 5-cyano-4-ethoxy-, methyl ester; 181064-04-0; 5-Cyano-4-ethoxy-thiophene-2-carboxylic acid methyl ester
EINECS	Contact for details

Quality Control

Our production of 2-Thiophenecarboxylicacid,5-Cyano-4-Ethoxy-,Methylester(9Ci) adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical characterization, including HPLC, GC, NMR, and mass spectrometry. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment, supporting your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (typically 15-25°C). The compound may be moisture-sensitive; keep the container tightly sealed in a dry environment.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
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.