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Axispharm offers high purity PEG Maleimide(Mal-PEG) linkers, which is a sulfhydryl (thiol/SH) group reactive PEG derivative used to selectively modify protein, peptide or any other surfaces with available sulfhydryl groups.
Maleimide PEG(Mal-PEG) 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-Maleimide
Quick viewAzido-PEG3-Maleimide
369.38≥95% Pricing
BCN-endo-PEG-Maleimide
AP10739BCN-endo-PEG3-Maleimide
Quick viewBCN-endo-PEG3-Maleimide
519.6≥95% Pricing
AP10738BCN-exo-PEG7-Maleimide
Quick viewBCN-exo-PEG7-Maleimide
739.86≥95% Pricing
Biotin Mal PEG
AP10540Biotin-PEG2-NH-Mal
Quick viewBiotin-PEG2-NH-Mal
525.62≥95% Pricing
AP10541Biotin-PEG3-NH-Mal
Quick viewBiotin-PEG3-NH-Mal
569.67≥95% Pricing
AP10542Biotin-PEG6-NH-Mal
Quick viewBiotin-PEG6-NH-Mal
701.83≥95% Pricing
AP11041Biotin-PEG11-Mal
Quick viewBiotin-PEG11-Mal
922.1≥95% Pricing
AP10543Biotin-PEG12-NH-Mal
Quick viewBiotin-PEG12-NH-Mal
966.14≥95% Pricing
Bis-Mal-Lysine-PEG
AP11496Bis-Mal-Lysine-PEG4-acid
Quick viewBis-Mal-Lysine-PEG4-acid
695.72≥95% Pricing
AP11497Bis-Mal-Lysine-PEG4-TFP ester
Quick viewBis-Mal-Lysine-PEG4-TFP ester
843.78≥95% Pricing
Bis-Mal-PEG
AP11492Bis-Mal-PEG3
Quick viewBis-Mal-PEG3
494.5≥95% Pricing
AP11493Bis-Mal-PEG6
Quick viewBis-Mal-PEG6
626.66≥95% Pricing
AP11494Bis-Mal-PEG11
Quick viewBis-Mal-PEG11
846.93≥95% Pricing
AP11495Bis-Mal-PEG19
Quick viewBis-Mal-PEG19
1199.35≥95% Pricing
Boc-HyNic-PEG-Mal
AP10595Boc-HyNic-PEG1-Mal
Quick viewBoc-HyNic-PEG1-Mal
419.44≥95% Pricing
Branched PEG Maleimide
AP11754N-Mal-N-bis(PEG2-amine) TFA salt
Quick viewN-Mal-N-bis(PEG2-amine) TFA salt
430.5≥95% Pricing
AP11743N-Mal-N-bis(PEG2-acid)
Quick viewN-Mal-N-bis(PEG2-acid)
488.49≥95% Pricing
AP11760N-Mal-N-bis(PEG2-t-butyl ester)
Quick viewN-Mal-N-bis(PEG2-t-butyl ester)
600.71≥95% Pricing
AP11755N-Mal-N-bis(PEG4-amine) TFA salt
Quick viewN-Mal-N-bis(PEG4-amine) TFA salt
606.71≥95% Pricing
AP11758N-Mal-N-bis(PEG2-NH-Boc)
Quick viewN-Mal-N-bis(PEG2-NH-Boc)
630.74≥95% Pricing
AP11744N-Mal-N-bis(PEG4-acid)
Quick viewN-Mal-N-bis(PEG4-acid)
664.7≥95% Pricing
AP11747N-Mal-N-bis(PEG2-NHS ester)
Quick viewN-Mal-N-bis(PEG2-NHS ester)
682.64≥95% Pricing
AP11759N-Mal-N-bis(PEG4-NH-Boc)
Quick viewN-Mal-N-bis(PEG4-NH-Boc)
806.95≥95% Pricing
AP12209N-(Mal-PEG6)-N-bis(PEG3-amine) TFA salt
Quick viewN-(Mal-PEG6)-N-bis(PEG3-amine) TFA salt
854.01≥95% Pricing
AP11748N-Mal-N-bis(PEG4-NHS ester)
Quick viewN-Mal-N-bis(PEG4-NHS ester)
858.85≥95% Pricing