Biotin-PEG12-Gly-Gly-Gly is a cleavable PEG linker with a biotin group that can be used in the synthesis of antibody-drug conjugates. Biotin has strong binding affinity with avidin and can be used in detection, immobilization, targeting, labeling as well as nonradioactive purification. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.