Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 13422-51-0, Whether you call it Hydroxocobalamin or Coalpha-[alpha-(5 -6-Dimethylbenzimidazolyl)]-CoBeta-hydroxocobamide you can be assured the products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.