Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 87-99-0, Whether you call it Xylitol, 1 -2 -3 -4 -5-Pentahydroxypentane or meso-Xylitol you can be assured the Xylitol products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.