Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 77-91-8, Whether you call it Choline Dihydrogen Citrate, (2-Hydroxyethyl)trimethylammonium Citrate or CDHC you can be assured the Choline Dihydrogen Citrate products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.