N-(t-butyl ester-PEG3)-N-bis(PEG3-azide)

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MedKoo CAT#: 572839

CAS#: 2182602-15-7

Description: 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.

Price and Availability

Size Price Shipping out time Quantity
100mg USD 500 2 Weeks
250mg USD 870 2 Weeks
500mg USD 1430 2 Weeks
Inquire bulk and customized quantity

Pricing updated 2020-08-08. Prices are subject to change without notice.

N-(t-butyl ester-PEG3)-N-bis(PEG3-azide), purity > 98%, is in stock. Current shipping out time is about 2 weeks after order is received. CoA, QC data and MSDS documents are available in one week after order is received.

Chemical Structure


Theoretical Analysis

MedKoo Cat#: 572839
Name: N-(t-butyl ester-PEG3)-N-bis(PEG3-azide)
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

Synonym: N-(t-butyl ester-PEG3)-N-bis(PEG3-azide)

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 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


Technical Data

Solid powder

>98% (or refer to the Certificate of Analysis)

Shipping Condition:
Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition:
Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Soluble in DMSO

Shelf Life:
>3 years if stored properly

Drug Formulation:
This drug may be formulated in DMSO

Stock Solution Storage:
0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code:


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2: Harrison E, Coulter JA, Dixon D. Gold nanoparticle surface functionalization: mixed monolayer versus hetero bifunctional peg linker. Nanomedicine (Lond). 2016 Apr;11(7):851-65. Review. PubMed PMID: 27021417.

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