Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 95-45-4, Whether you call it Dimethylglyoxime, 2 -3-Butanedione Dioxime , Chugaevs Reagent or Diacetyl Dioxime you can be assured the Dimethylglyoxime products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.