Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 29883-15-6, Whether you call it D-Amygdalin, D-Mandelonitrile-ß, -gentiobioside , 6-O-ß, -D-Glucosido-ß or -D-glucoside you can be assured the D-Amygdalin products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.