RB-PEG-NHS (MW 2000)

RB-PEG-NHS (MW 2000) (Rhodamine B-PEG-NHS (MW 2000) ) is a fluorescent dye composed of Rhodamine B, PEG, and N-hydroxysuccinimide (NHS) groups. The NHS moiety reacts with amine-containing groups. RB-PEG-NHS (MW 2000) is suitable for fluorescence labeling and imaging with excitation/emission wavelengths of 546/610 nm.