TAMRA-PEG4-acid is a TAMRA red-fluorescent dye linker, with excitation/emission maximum 553/575 nm, containing an carboxylic acid group, which can react with primary amine groups in the presence of activators (e.g. EDC, or HATU) to form a stable amide bond. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.
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