Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 62147-49-3, Whether you call it Dihydroxyacetone, 1 -3-Dihydroxy-2-propanone , 1 -3-Dihydroxydimethylketone , DHA or Ketotriose you can be assured the Dihydroxyacetone products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.