Dansyl chloride, is a reagent that reacts with primary amino groups in both aliphatic and aromatic amines to produce stable blue- or blue-green–fluorescent sulfonamide adducts. It can also be made to react with secondary amines.
D 1211 (OTTO) Dansyl chloride, GR 99% Cas 605-65-2 - used to modify amino acids; specifically, protein sequencing and amino acid analysis. D 1211 (OTTO) Dansyl chloride, GR 99% Cas 605-65-2 - used to label hydroxyl and carboxylic acid functional groups. Dansyl chloride is a fluorogenic reagent used for protein, N-terminal amino acid and peptide detection by reverse phase high performance liquid chromatography (HPLC).