6, 8-Difluoro-7-hydroxy-4-methylcoumarin NHS ester

6,8-Difluoro-7-hydroxy-4-methylcoumarin NHS Ester is a molecule with an excitation at 365 nm and emission at 460 nm. The NHS ester can be applied to label the primary amines (-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules.