8-arm Poly(ethylene glycol) amine hydrochloride salt (8-Arm PEG-NH2) from Advanced BioChemicals (ABC) are high quality multi-arm PEG derivatives with eight primary amine groups at each terminal of the four arms that can quickly react with activated carboxyl group such as NHS ester to form stable amide bond. The total molecular weight of 8-Arm PEGs is the sum of the molecular weights of all four arms.
Advanced BioChemicals (ABC) offer 8-Arm PEG-NH2 with MW 5kDa, 10kDa, 20kDa and 40kDa, in 1g, 5g and 10g packing sizes. Different MW of 8-Arm PEG-NH2 product may be available by custom synthesis, please email us at tech@advancedbiochemicals.com for details. Advanced BioChemicals (ABC) also provide repackaging services, please contact us at sales@advancedbiochemicals.com for a free quote.