Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 34195-34-1, Whether you call it Hydrocodone Bitartrate, Hydrocodone Acid Tartrate , Dihydrocodeinone Acid Tartrate , Anexsia or 6-Deoxy-3-O-methyl-6-oxomorphine Hydrogen Tartrate you can be assured the Hydrocodone Bitartrate products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.