Description

4-Bromo-3-Thiophenecarboxylic Acid Ethyl Ester is a high-purity, versatile heterocyclic building block essential for advanced organic synthesis. This compound is valued for its reactive bromine and ester functionalities, which enable precise molecular construction in complex chemical environments. It is primarily sought by researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly for molecules containing thiophene scaffolds.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, leveraging its heterocyclic structure for biological activity.
• Organic Light-Emitting Diodes (OLEDs): Serves as a precursor for constructing electron-transport or emissive layers in electronic materials.
• Ligand and Catalyst Development: Employed in the synthesis of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Polymer and Material Science: Acts as a monomer or modifying agent for creating polymers with specific electronic or thermal properties.
• Academic and R&D Laboratories: A fundamental reagent for methodological studies in cross-coupling reactions and heterocyclic chemistry.

Basic Information

Product Name	4-Bromo-3-Thiophenecarboxylic Acid Ethyl Ester
CAS No.	224449-33-6
Molecular Formula	C7H7BrO2S
Molecular Weight	235.10 g/mol
Synonyms	Ethyl 4-Bromo-3-thiophenecarboxylate; 4-Bromo-3-thiophenecarboxylic acid ethyl ester; 3-Thiophenecarboxylic acid, 4-bromo-, ethyl ester; Ethyl 4-bromothiophene-3-carboxylate; 4-Bromothiophene-3-carboxylic acid ethyl ester; 224449-33-6; 4-Bromo-3-carbethoxythiophene
EINECS	Contact for details

Quality Control

Every batch of 4-Bromo-3-Thiophenecarboxylic Acid Ethyl Ester is manufactured under strict quality management protocols. Our products undergo rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to guarantee compliance with your research and production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong bases and incompatible materials. The compound is light-sensitive and should be handled under appropriate conditions to maintain stability.

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.