XUN 02157

Name: XUN 02157
CAS#: 2182602-15-7
Chemical Formula: C29H57N7O11
Exact Mass: 679.4116
Molecular Weight: 679.81
Elemental Analysis: C, 51.24; H, 8.45; N, 14.42; O, 25.89

Description: XUN 02157, also known as N-(t-butyl ester-PEG3)-N-bis(PEG3-azide) is a branched PEG derivative with two terminal azide group and a t-butyl ester. The azide groups enable PEGylation via Click Chemistry. The t-butyl protected carboxyl group can be deprotected under mild acidic conditions. 

IUPAC/Chemical Name: tert-butyl 1-azido-12-(2-(2-(2-(2-azidoethoxy)ethoxy)ethoxy)ethyl)-3,6,9,15,18,21-hexaoxa-12-azatetracosan-24-oate

InChi Key: XBDDYUOODYDYTO-UHFFFAOYSA-N

InChi Code: InChI=1S/C29H57N7O11/c1-29(2,3)47-28(37)4-10-38-16-22-44-25-19-41-13-7-36(8-14-42-20-26-45-23-17-39-11-5-32-34-30)9-15-43-21-27-46-24-18-40-12-6-33-35-31/h4-27H2,1-3H3

SMILES Code: O=C(OC(C)(C)C)CCOCCOCCOCCN(CCOCCOCCOCCN=[N+]=[N-])CCOCCOCCOCCN=[N+]=[N-]

Appearance: Solid powder