Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 5988-51-2, Whether you call it Dimethylaminoethanol Bitartrate, Atrol , Deanol Bitartrate or DMAE Bitartrate you can be assured the Dimethylaminoethanol Bitartrate products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.