Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 25655-41-8, Whether you call it Povidone-Iodine, Polyvinylpyrrolidone Iodine , PVP-Iodine , Iodinated Povidone , Polyvidone-Iodine or Polyvinylpyrrolidone Iodine you can be assured the Povidone-Iodine products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.