RB-PEG-NHS (MW 1000)

RB-PEG-NHS (MW 1000) (Rhodamine B-PEG-NHS (MW 1000) ) is a fluorescent dye composed of Rhodamine B, PEG, and N-hydroxysuccinimide (NHS) groups, with the NHS group reactive towards amine-containing groups. It is suitable for fluorescence labeling and imaging, with excitation/emission at 546/610 nm.