Description

5-(Methoxycarbonyl)Thiophene-2-Carboxylic Acid is a high-purity, multifunctional heterocyclic building block essential for advanced organic synthesis. Its bifunctional structure, featuring both a carboxylic acid and a methyl ester on a thiophene core, makes it a versatile precursor for constructing complex molecules. This compound is particularly valuable for researchers and manufacturers in the pharmaceutical and agrochemical sectors, where it serves as a key intermediate in the development of active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A critical building block for the synthesis of novel active pharmaceutical ingredients (APIs), especially in drug discovery programs targeting various therapeutic areas.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and fungicides, leveraging the thiophene moiety for biological activity.
• Material Science Precursor: Serves as a monomer or functionalizing agent in the development of conductive polymers, organic semiconductors, and other specialty materials.
• Ligand and Catalyst Development: Employed in the creation of novel ligands for metal-organic frameworks (MOFs) and catalysts for asymmetric synthesis.
• Chemical Research & Development: A versatile starting material in academic and industrial R&D for exploring new heterocyclic chemistry and reaction pathways.
• Fine Chemical Production: Integral to the multi-step synthesis of complex fine chemicals and specialty dyes.

Basic Information

Product Name	5-(Methoxycarbonyl)Thiophene-2-Carboxylic Acid
CAS No.	50340-79-9
Molecular Formula	C7H6O4S
Molecular Weight	186.19 g/mol
Synonyms	2-Thiophenecarboxylic acid, 5-(methoxycarbonyl)-; Methyl 5-carboxythiophene-2-carboxylate; 5-Carbomethoxythiophene-2-carboxylic acid; Thiophene-2,5-dicarboxylic acid monomethyl ester; 2,5-Thiophenedicarboxylic acid 2-methyl ester; 5-Methoxycarbonylthiophene-2-carboxylic acid; 2-Carboxy-5-methoxycarbonylthiophene
EINECS	Contact for details

Quality Control

Our production of 5-(Methoxycarbonyl)Thiophene-2-Carboxylic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Every lot is analyzed using advanced techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to support your quality assurance and regulatory needs.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	< 20 ppm

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