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MedKoo CAT#: 572800

CAS#: 2054345-68-3

Description: N-Boc-Azido-tris(ethylenoxy)-L-alanine is a PEG Linker.

Price and Availability

Size Price Shipping out time Quantity
100mg USD 500 2 Weeks
250mg USD 830 2 Weeks
500mg USD 1240 2 Weeks
Inquire bulk and customized quantity

Pricing updated 2020-08-12. Prices are subject to change without notice.

N-Boc-Azido-tris(ethylenoxy)-L-alanine, purity > 95%, 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#: 572800
Name: N-Boc-Azido-tris(ethylenoxy)-L-alanine
CAS#: 2054345-68-3
Chemical Formula: C14H26N4O7
Exact Mass: 362.1801
Molecular Weight: 362.38
Elemental Analysis: C, 46.40; H, 7.23; N, 15.46; O, 30.90

Synonym: N-Boc-Azido-tris(ethylenoxy)-L-alanine

IUPAC/Chemical Name: O-(2-(2-(2-azidoethoxy)ethoxy)ethyl)-N-(tert-butoxycarbonyl)-D-serine


InChi Code: InChI=1S/C14H26N4O7/c1-14(2,3)25-13(21)17-11(12(19)20)10-24-9-8-23-7-6-22-5-4-16-18-15/h11H,4-10H2,1-3H3,(H,17,21)(H,19,20)/t11-/m1/s1


Technical Data

Solid powder

>95% (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:


1: Sano K, Nakajima T, Miyazaki K, Ohuchi Y, Ikegami T, Choyke PL, Kobayashi H. Short PEG-linkers improve the performance of targeted, activatable monoclonal antibody-indocyanine green optical imaging probes. Bioconjug Chem. 2013 May 15;24(5):811-6. doi: 10.1021/bc400050k. Epub 2013 May 3. PubMed PMID: 23600922; PubMed Central PMCID: PMC3674550.

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.

3: Augusto MT, Hollmann A, Porotto M, Moscona A, Santos NC. Antiviral Lipopeptide-Cell Membrane Interaction Is Influenced by PEG Linker Length. Molecules. 2017 Jul 15;22(7). pii: E1190. doi: 10.3390/molecules22071190. PubMed PMID: 28714870; PubMed Central PMCID: PMC5776016.

4: Tuma R, Russell M, Rosendahl M, Thomas GJ Jr. Solution conformation of the extracellular domain of the human tumor necrosis factor receptor probed by Raman and UV-resonance Raman spectroscopy: structural effects of an engineered PEG linker. Biochemistry. 1995 Nov 21;34(46):15150-6. PubMed PMID: 7578129.

5: Kanazaki K, Sano K, Makino A, Yamauchi F, Takahashi A, Homma T, Ono M, Saji H. Feasibility of poly(ethylene glycol) derivatives as diagnostic drug carriers for tumor imaging. J Control Release. 2016 Mar 28;226:115-23. doi:10.1016/j.jconrel.2016.02.017. Epub 2016 Feb 8. PubMed PMID: 26869546.