H2N-PEG-SH (MW 5000) is a linear heterobifunctional PEGylated product containing thiol and amine. H2N-PEG-SH (MW 5000) is an important cross-linking or bioconjugation reagent with PEG chains. Thiol or SH, sulfhydryl or thiol selectively reacts with maleimide, OPSS, vinyl sulfone and transition metal surfaces (including gold, silver, etc.) [1].
