Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 16980-89-5, Whether you call it N6,O2'-Dibutyryladenosine 3',5'-cyclic Monophosphate Sodium Salt, Bucladesine , DBcAMP or Dibutyryl-cAMP.Na you can be assured the N6,O2'-Dibutyryladenosine 3',5'-cyclic Monophosphate Sodium Salt products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.