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Product introduction

N-(Tos-PEG4)-N-bis(PEG4-t-butyl ester) is a branched PEG linker with a Tos-PEG4 branch and two PEG4-t-butyl ester groups attached to a central nitrogen. The tosyl group is a very good leaving group for nucleophilic substitution reactions. The t-butyl ester can be removed under acidic conditions. The hydrophilic PEG linker increases the water solubility of the compound. Branched PEG linkers can have more conjugations.

Specs ⸢ View details ⸥

Chinese name

N-(Tos-PEG4)-N-双(PEG4-叔丁酯)

English name

N-(Tos-PEG4)-N-bis(PEG4-t-butyl ester)

Chinese alias

English alias

CAS number

2112737-74-1

molecular formula

C45H81NO18S

molecular weight

956.2 g/mol

Exact mass

≥98%

PSA

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