Spectrum Chemical manufactures and distributes fine chemicals with quality you can count on including those with CAS number 499-83-2, Whether you call it 2,6-Dipicolinic Acid, Pyridine-2 -6-dicarboxylic Acid or 2 -6-Dicarboxypyridine you can be assured the 2,6-Dipicolinic Acid products offered by Spectrum, meet or exceed the grade requirements or specifications for each individual product.