Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 616-06-8, Whether you call it DL-Norleucine, DL-alpha-Amino-n-caproic Acid or DL-2-Amino-n-hexanoic Acid you can be assured the DL-Norleucine products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.