Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 9005-00-9, Whether you call it Brij* 72, Brij 72 , Polyoxyethylene (2) Stearyl Ether or Steareth-2 you can be assured the Brij* 72 products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.