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CAS NO.: 614-98-2; Ethyl furan-3-carboxylate. PROPERTIES: This ester features a furan ring connected to an ethyl ester group, creating a molecule with potential applications in organic synthesis and pharmaceutical research. The ethyl furan-3-carboxylate typically appears as a colorless to pale yellow liquid with moderate solubility in common organic solvents. Its molecular structure includes a conjugated furan ring that contributes to its characteristic absorption in the ultraviolet region. For optimal stability and to prevent hydrolysis, this compound should be stored at 2-8 degree Celsius in a tightly sealed container under anhydrous conditions. When handling, chemists should wear appropriate personal protective equipment including nitrile gloves and safety goggles. This compound is sensitive to moisture and may hydrolyze in aqueous environments. In case of skin contact, wash thoroughly with soap and water; if eye contact occurs, rinse immediately and seek medical advice. APPLICATIONS: The ethyl furan-3-carboxylate serves as a valuable building block in organic synthesis, particularly for creating furan-containing bioactive molecules. The ester functionality provides a handle for hydrolysis to the corresponding carboxylic acid or further reactions such as amidation. In medicinal chemistry, this compound functions as an intermediate for developing pharmaceuticals targeting enzyme inhibitors and receptor modulators. The furan ring contributes to hydrogen bonding interactions that facilitate target binding. Additionally, the molecule finds utility in materials science as a monomer for creating polymers with specific electronic and optical properties. Researchers utilizing this compound can benefit from its versatile reactivity and defined structure, enabling the development of diverse molecular architectures for applications ranging from drug discovery to advanced materials.