ethyl 2-(3-formyl-4-hydroxyphenyl)-4-methylthiazole-5-carboxylate; CAS No.: 161798-01-2; As a chemical synthesis company, we deliver formylphenyl thiazole esters for Schiff base formation. The 3-formyl-4-hydroxy substitution pattern enables metal chelation in matrix metalloproteinase inhibitors. Our Vilsmeier-Haack formylation achieves precise aldehyde positioning. The ethyl ester allows gradual hydrolysis kinetics for sustained drug release formulations.