Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 523-87-5, Whether you call it Dimenhydrinate or 8-Chlorotheophylline - compound with 2-(Diphenylmethoxy)-N -N-dimethylethylamine (1:1) you can be assured the products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.