Description

Ethyl 5-(4-Methoxyphenyl)-2-thiophenecarboxylate is a high-value, functionalized thiophene derivative serving as a critical synthetic intermediate. Its core value lies in its versatile molecular scaffold, which is essential for constructing complex heterocyclic systems in advanced research and development. This compound is primarily needed by pharmaceutical R&D teams, agrochemical innovators, and specialty chemical manufacturers for applications in drug discovery, material science, and the synthesis of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly those targeting central nervous system (CNS) disorders, inflammation, and metabolic diseases.
• Agrochemical Research: Used in the development of new-generation herbicides, fungicides, and insecticides that require specific thiophene-based bioactive cores.
• Material Science & Organic Electronics: Serves as a precursor for conjugated polymers and small molecules used in organic light-emitting diodes (OLEDs), field-effect transistors (OFETs), and photovoltaic materials.
• Ligand & Catalyst Synthesis: Employed in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Chemical Research & Development: A versatile substrate for method development in cross-coupling reactions, cyclizations, and other novel synthetic transformations.
• Fine Chemical Production: Used in the custom synthesis of complex, high-value specialty chemicals for various industrial applications.

Basic Information

Product Name	Ethyl 5-(4-Methoxyphenyl)-2-thiophenecarboxylate
CAS No.	13858-71-4
Molecular Formula	C14H14O3S
Molecular Weight	262.32 g/mol
Synonyms	Ethyl 5-(4-methoxyphenyl)thiophene-2-carboxylate; 5-(4-Methoxyphenyl)-2-thiophenecarboxylic Acid Ethyl Ester; 2-Thiophenecarboxylic acid, 5-(4-methoxyphenyl)-, ethyl ester; Ethyl 5-(p-methoxyphenyl)thiophene-2-carboxylate
EINECS	Contact for details

Quality Control

Our production of Ethyl 5-(4-Methoxyphenyl)-2-thiophenecarboxylate adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry. A Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every 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 place at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

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