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t-butyl ester-PEG5-CH2COOH

CAS number:2304558-22-1    molecular formula:C17H32O9

overview

compound introduction

t-butyl ester-PEG5-CH2COOH is a PEG derivative containing a t-butyl protected carboxyl group with a terminal carboxylic acid. The terminal carboxylic acid can be reacted with primary amine groups in the presence of activators (e.g. EDC, or DCC) to form a stable amide bond. The hydrophilic PEG spacer increases solubility in aqueous media. The t-butyl protected carboxyl group can be deprotected under acidic conditions.

Specs

Chinese alias-
English aliasAcid-C1-PEG5-Boc | HOOCCH2O-PEG4-CH2CH2COOtBu | 20,20-Dimethyl-18-oxo-3,6,9,12,15,19-hexaoxahenicosan-1-oic acid
CAS number2304558-22-1molecular formulaC17H32O9
molecular weight380.40 g/molExact mass≥98%
PSA-logp-

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