Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 69739-34-0, Whether you call it tert-Butyldimethylsilyl Trifluoromethanesulfonate or Trifluoromethanesulfonic Acid tert-Butyldimethylsilyl Ester you can be assured the products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.