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Tos-PEG3-t-butyl ester


Tos-PEG3-t-butyl ester

Catalog:CDPB-041412

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INQUIRY Datasheet

Common UseTos-PEG3-t-butyl ester is a PEG derivative containing a t-butyl ester and a tosyl group. The hydrophilic PEG spacer increases solubility in aqueous media. The t-butyl protected carboxyl group can be deprotected under acidic conditions. The tosyl group is a very good leaving group for nucleophilic substitution reactions.
Structure Tos-PEG3-t-butyl ester
PEG Molecular Weight388.5 g/mol
Functional GroupTosyl/t-butyl ester
Purity98%
Storage-20°C
Molecular FormulaC18H28O7S
CAS No.850090-13-0
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