α,ω-Dimaleimidyl poly(ethylene glycol) (MAL-PEG-MAL) from Advanced BioChemicals (ABC) are high quality PEG crosslinking reagents with two reactive maleimide groups at both end sites, which can selectively react with thiol groups at pH 5.0-6.5. MAL-PEG-MAL is a good crosslinker for PEGylation of proteins and peptides, nanoparticle and surface modifications.
Advanced BioChemicals (ABC) offer MAL-PEG-MAL with MW 2kDa, 3.5 kDa, 5kDa, 10kDa, 20kDa and 40kDa, in 1g, 5g and 10g packing sizes. Different MW of MAL-PEG-MAL products may be available by custom synthesis, please contact us at sales@advancedbiochemicals.com for a free quote.