RB-PEG-NHS (MW 5000)

RB-PEG-NHS (MW 5000) (Rhodamine B-PEG-NHS (MW 5000) ) is a fluorescent dye composed of Rhodamine B, PEG, and an N-hydroxysuccinimide (NHS) group. The NHS group can react with amine-containing groups. RB-PEG-NHS (MW 5000) is suitable for fluorescent labeling and imaging with excitation/emission at 546/610 nm.