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PEG Maleimide allows efficient PEGylation of sulfhydryl groups at pH 6.5-7.5; the reaction of the maleimide group results in the formation of a thioether bond.

Maleimide PEG
Catalog# Name Structure M.W. Purity Pricing
Azido-PEG-Maleimide
AP11561Azido-PEG3-Maleimide369.38≥95% Pricing
BCN-endo-PEG-Maleimide
AP10739BCN-endo-PEG3-Maleimide519.6≥95% Pricing
AP10738BCN-exo-PEG7-Maleimide739.86≥95% Pricing
Biotin Mal PEG
AP10540Biotin-PEG2-NH-Mal525.62≥95% Pricing
AP10541Biotin-PEG3-NH-Mal569.67≥95% Pricing
AP10542Biotin-PEG6-NH-Mal701.83≥95% Pricing
AP11041Biotin-PEG11-Mal922.1≥95% Pricing
AP10543Biotin-PEG12-NH-Mal966.14≥95% Pricing
Bis-Mal-Lysine-PEG
AP11496Bis-Mal-Lysine-PEG4-acid695.72≥95% Pricing
AP11497Bis-Mal-Lysine-PEG4-TFP ester843.78≥95% Pricing
Bis-Mal-PEG
AP11492Bis-Mal-PEG3494.5≥95% Pricing
AP11493Bis-Mal-PEG6626.66≥95% Pricing
AP11494Bis-Mal-PEG11846.93≥95% Pricing
AP11495Bis-Mal-PEG191199.35≥95% Pricing
Boc-HyNic-PEG-Mal
AP10595Boc-HyNic-PEG1-Mal419.44≥95% Pricing
Branched PEG Maleimide
AP11754N-Mal-N-bis(PEG2-amine) TFA salt430.5≥95% Pricing
AP11743N-Mal-N-bis(PEG2-acid)488.49≥95% Pricing
AP11760N-Mal-N-bis(PEG2-t-butyl ester)600.71≥95% Pricing
AP11755N-Mal-N-bis(PEG4-amine) TFA salt606.71≥95% Pricing
AP11758N-Mal-N-bis(PEG2-NH-Boc)630.74≥95% Pricing
AP11744N-Mal-N-bis(PEG4-acid)664.7≥95% Pricing
AP11747N-Mal-N-bis(PEG2-NHS ester)682.64≥95% Pricing
AP11759N-Mal-N-bis(PEG4-NH-Boc)806.95≥95% Pricing
AP12209N-(Mal-PEG6)-N-bis(PEG3-amine) TFA salt854.01≥95% Pricing
AP11748N-Mal-N-bis(PEG4-NHS ester)858.85≥95% Pricing