Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 39236-46-9, Whether you call it Imidurea, N -N-Methylenebis{N-[3-(hydroxymethyl)-2 -5-dioxo-4-imidazolidinyl]urea} or Imidazolidinyl Urea you can be assured the Imidurea products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.