Linear Thiol Reactive PEGs from JenKem Technology are high quality activated PEG products for reaction with thiol or sulfhydryl groups. Methoxy PEG Maleimide is selective for thiol groups on cystein side chains. Methoxy PEG Thiol is a thiol reactive PEG towards HS groups on cysteine side chains under mild reaction conditions. Methoxy PEG Vinylsulfone is a sulfhydryl reactive PEG that reacts at high pH.
Thiol Reactive PEGs with molecular weights, branching, and functional groups not listed in our online catalog may be available by custom synthesis. Please inquire at firstname.lastname@example.org about pricing and availability of custom PEGs for thiol PEGylation. Bulk PEGs and GMP PEGs are also available upon request. Please contact us for special bulk pricing.