Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 15826-37-6, Whether you call it Cromolyn Sodium, Disodium 4 -4-Dioxo-5 -5-(2-hydroxytrimethylenedioxy)di(4H-chromene-2-carboxylate) or Sodium Cromoglycate you can be assured the Cromolyn Sodium products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.