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Tos-PEG4-t-butyl ester

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.

Catalog #:
BP-20636
Name:
Tos-PEG4-t-butyl ester
Formula:
C20H32O8S
MW:
432.5
CAS:
217817-01-1
Purity:
98%
Availability:
In Stock
Ships within:
24 hours
Storage condition:
-20 ° C
Shipping:
Ambient Temperature
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