MB 543 Picolyl Azide is a fluroescent agent with a picolyl moiety and a terminal azide group. MB 543 Picolyl Azide is very hydrophilic, water-soluble orange fluorescent dye that has a maximal absorption of 543 nm and emission at 566 nm. The compound is also pH insensitivity from pH 3 to pH 10. The picolyl moiety assists with a copper-chelating system within its structure, lowering the amount of copper catalyst required in the CuAAC reaction. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.