Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 21282-97-3, Whether you call it 2-(Acetoacetoxy)ethyl Methacrylate, AAEM, 2-(Methacryloyloxy)ethyl Acetoacetate or 3-Oxo-butanoic Acid 2-[(2-Methyl-1-oxo-2-propenyl)oxy]ethyl Ester you can be assured the 2-(Acetoacetoxy)ethyl Methacrylate products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.