CAS number：850090-13-0 molecular formula：C18H28O7S
Tos-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.
| Chinese alias | 3-(2-(2-(对甲苯磺酰氧基)乙氧基)乙氧基)丙酸叔丁酯 | 对甲苯磺酸酯-二聚乙二醇-丙酸叔丁酯 | ||
| English alias | tert-Butyl 3-(2-(2-(tosyloxy)ethoxy)ethoxy)propanoate | Tos-PEG2-C2-Boc | ||
| CAS number | 850090-13-0 | molecular formula | C18H28O7S |
| molecular weight | 388.48 g/mol | Exact mass | ≥98% |
| PSA | 96.500 Ų | logp | 2.100 |
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