Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 9011-14-7, Whether you call it Polymethyl Methacrylate, PMMA or Poly(methacrylic Acid Methyl Ester) you can be assured the Polymethyl Methacrylate products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.