Biotin-PEG-COOH (MW 1000)

Biotin-PEG-COOH (MW 1000) is a linear heterobifunctional PEG compound characterized by biotin and carboxylic acid functional groups. The biotin moiety facilitates binding with avidin and streptavidin through high specificity and affinity. In the presence of coupling agents, Biotin-PEG-COOH (MW 1000) can be used for biotinylation of antibodies, proteins, and other macromolecules containing primary amines.