CAS number：406213-75-0 molecular formula：C26H44O11S
Tos-PEG7-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 | 1-(甲苯磺酰氧基)-3,6,9,12,15,18-六氧二十二烷-21-酸叔丁基酯 | ||
| English alias | Tos-PEG6-C2-Boc | 3,6,9,12,15,18-Hexaoxaheneicosan-21-oic acid,1-[[(4-methylphenyl)sulfonyl]oxy]-, 1,1-dimethylethyl ester | tert-butyl 1-(tosyloxy)-3,6,9,12,15,18-hexaoxahenicosan-21-oate | ||
| CAS number | 406213-75-0 | molecular formula | C26H44O11S |
| molecular weight | 564.70 g/mol | Exact mass | ≥98% |
| PSA | 133.000 Ų | logp | 1.500 |
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