MB 488 Picolyl Azide is a green fluorescent, very hydrophilic dye molecule with a picolyl moiety and a terminal azide group. The picolyl moiety assists with a copper-chelating system within its structure, lowering the amount of copper catalyst required in the CuAAC reaction. The fluroescent compound has a max absorption at 501 nm and emission at 524 nm. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.