Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 80-05-7, Whether you call it Bisphenol A, 4 -4-Isopropylidenediphenol or 2 -2-Bis(4-hydroxyphenyl)propane you can be assured the Bisphenol A products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.