Description

Thiophene-2-Carboxylic Acid, 5-Ethylthio-4-Formyl- is a high-value, multi-functional heterocyclic building block characterized by its reactive formyl and carboxylic acid groups. This compound is essential for advanced organic synthesis, enabling the construction of complex molecular architectures with tailored properties. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and materials science industries for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, anti-infectives, and anti-inflammatory agents.
• Agrochemical Synthesis: Used in the development of next-generation herbicides, fungicides, and insecticides, leveraging the thiophene scaffold for enhanced bioactivity.
• Organic Electronic Materials: Serves as a building block for conjugated polymers and small molecules used in organic light-emitting diodes (OLEDs), organic photovoltaics (OPVs), and field-effect transistors (OFETs).
• Ligand and Catalyst Development: The functional groups allow for the creation of specialized ligands for metal catalysis and coordination chemistry.
• Chemical Research & Development: A versatile starting material for exploring new chemical spaces and synthesizing libraries of compounds for high-throughput screening.
• Dye and Pigment Intermediate: Used in the synthesis of specialized dyes and pigments where the thiophene ring contributes to color and stability properties.

Basic Information

Product Name	Thiophene-2-Carboxylic Acid, 5-Ethylthio-4-Formyl-
CAS No.	57555-46-1
Molecular Formula	C8H8O3S2
Molecular Weight	216.28 g/mol
Synonyms	5-(Ethylthio)-4-formyl-2-thiophenecarboxylic acid; 4-Formyl-5-(ethylthio)thiophene-2-carboxylic acid; 2-Thiophenecarboxylic acid, 5-(ethylthio)-4-formyl-; 5-Ethylsulfanyl-4-formylthiophene-2-carboxylic acid
EINECS	Contact for details

Quality Control

Our Thiophene-2-Carboxylic Acid, 5-Ethylthio-4-Formyl- is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our commitment to quality supports applications requiring high-purity intermediates under cGMP and ISO 9001 guidelines where applicable.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This compound is easily oxidized; for long-term storage, consider an inert atmosphere (e.g., nitrogen or argon). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow 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%
Heavy Metals	≤ 20 ppm

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