Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 70-34-8, Whether you call it 2,4-Dinitrofluorobenzene, 1-Fluoro-2 -4-dinitrobenzene or Sangers Reagent you can be assured the 2,4-Dinitrofluorobenzene products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.