D 0622 (OTTO) N,N-Dimethyl formamide, for HPLC & UV Spectroscopy Cas 68-12-2 - used in the production of acrylic fibers and plastics. D 0622 (OTTO) N,N-Dimethyl formamide, for HPLC & UV Spectroscopy Cas 68-12-2 used as a solvent in peptide coupling for pharmaceuticals, in the development and production of pesticides, and in the manufacture of adhesives, synthetic leathers, fibers, films, and surface coatings.