RB-PEG-COOH (MW 3400)

RB-PEG-COOH (MW 3400) (Rhodamine B-PEG-COOH (MW 3400) ) is a fluorescent dye comprising Rhodamine B, PEG, and COOH. It is suitable for fluorescence labeling and imaging, with excitation and emission wavelengths of 546 nm and 610 nm, respectively.