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 | |
PEG Molecular Weight | 432.5 g/mol |
Functional Group | Tosyl/t-butyl ester |
Purity | 98% |
Storage | -20°C |
Molecular Formula | C20H32O8S |
CAS No. | 217817-01-1 |
Catalog: CDPB-04209
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