Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 66-84-2, Whether you call it D-Glucosamine Hydrochloride, 2-Amino-D-glucose Hydrochloride , 2-Amino-2-deoxy-D-glucose Hydrochloride or Chitosamine Hydrochloride you can be assured the D-Glucosamine Hydrochloride products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.