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MedKoo CAT#: 572799


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

Price and Availability

Size Price Shipping out time Quantity
100mg USD 470 2 Weeks
250mg USD 850 2 Weeks
500mg USD 1320 2 Weeks
Inquire bulk and customized quantity

Pricing updated 2020-10-31. Prices are subject to change without notice.

N-Fmoc-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#: 572799
Name: N-Fmoc-Azido-tris(ethylenoxy)-L-alanine
Chemical Formula: C24H28N4O7
Exact Mass: 484.1958
Molecular Weight: 484.51
Elemental Analysis: C, 59.50; H, 5.83; N, 11.56; O, 23.11

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

IUPAC/Chemical Name: N-(((9H-fluoren-9-yl)methoxy)carbonyl)-O-(2-(2-(2-azidoethoxy)ethoxy)ethyl)-D-serine


InChi Code: InChI=1S/C24H28N4O7/c25-28-26-9-10-32-11-12-33-13-14-34-16-22(23(29)30)27-24(31)35-15-21-19-7-3-1-5-17(19)18-6-2-4-8-20(18)21/h1-8,21-22H,9-16H2,(H,27,31)(H,29,30)/t22-/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.