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ethyl 2-(2-aminothiazol-4-yl)-2-oxoacetate; CAS No.: 64987-08-2; ethyl 2-(2-aminothiazol-4-yl)-2-oxoacetate. PROPERTIES: Ethyl 2-(2-aminothiazol-4-yl)-2-oxoacetate is a crystalline powder with a molecular weight of approximately 223.2 g/mol. It has a melting point between 150-155 C. The compound is moderately soluble in polar organic solvents like methanol and dimethylformamide but has limited water solubility. The presence of the amino group and the ester group makes it reactive towards various electrophiles. For proper storage, keep in a tightly sealed container at room temperature away from moisture. Safety: This compound may cause serious eye irritation. In case of inhalation, remove to fresh air and keep comfortable for breathing. Use eyewash stations and safety showers in areas where this material is handled. APPLICATIONS: In pharmaceutical research, ethyl 2-(2-aminothiaz-ol4-yl)-2-oxoacetate serves as a key intermediate for creating -lactam antibiotics. The thiazole ring and the adjacent carbonyl group form the core structure of penicillin-like molecules. In organic synthesis, it is used as a building block for creating heterocyclic compounds via cyclization reactions. The amino group participates in condensation reactions to form larger ring systems. In materials science, derivatives of this compound are explored for creating nonlinear optical materials. The combination of the thiazole ring and the carbonyl group creates polarizable structures suitable for optical applications. These applications are supported by research in medicinal chemistry journals and materials science publications.