Description: Acid-PEG5-t-butyl ester 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.
Name: Acid-PEG5-t-butyl ester
CAS#: 1309460-29-4
Chemical Formula: C18H34O9
Exact Mass: 394.2203
Molecular Weight: 394.46
Elemental Analysis: C, 54.81; H, 8.69; O, 36.50
IUPAC/Chemical Name: 2,2-dimethyl-4-oxo-3,7,10,13,16,19-hexaoxadocosan-22-oic acid
InChi Key: ILIIUHKWCBCCNI-UHFFFAOYSA-N
InChi Code: InChI=1S/C18H34O9/c1-18(2,3)27-17(21)5-7-23-9-11-25-13-15-26-14-12-24-10-8-22-6-4-16(19)20/h4-15H2,1-3H3,(H,19,20)
SMILES Code: O=C(OC(C)(C)C)CCOCCOCCOCCOCCOCCC(O)=O
Appearance: Solid powder
关键字： PEG5;
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