Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 87-67-2, Whether you call it Choline Bitartrate, (2-Hydroxyethyl)trimethylammonium Bitartrate , Choline Acid Tartrate , Choline Hydrogen Tartrate or CBT you can be assured the Choline Bitartrate products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.