Tos-PEG4-t-butyl ester


Tos-PEG4-t-butyl ester

Catalog:CDPB-041413

Unit Size:250 mg, 1 g, 5 g

INQUIRY Datasheet

Specifications
Common Use Tos-PEG4-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-PEG4-t-butyl ester
PEG Molecular Weight 432.5 g/mol
Functional Group Tosyl/t-butyl ester
Purity 98%
Molecular Formula C20H32O8S
CAS No. 217817-01-1
Storage -20°C
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