WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 572796

CAS#: 1817735-35-5

Description: 1,1,1-Trifluoroethyl-PEG4-azide is a crosslinker containing an azide group and a trifluoroethyl group. The azide group enables Click Chemistry. The hydrophilic PEG spacer increases solubility in aqueous media. The trifluoroethyl group is used to react with lysine and other primary amine groups in proteins, antibody and other molecules and surfaces.

Price and Availability


USD 440
Ask price

USD 740

USD 1100

1,1,1-Trifluoroethyl-PEG4-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#: 572796
Name: 1,1,1-Trifluoroethyl-PEG4-azide
CAS#: 1817735-35-5
Chemical Formula: C10H18F3N3O4
Exact Mass: 301.1249
Molecular Weight: 301.27
Elemental Analysis: C, 39.87; H, 6.02; F, 18.92; N, 13.95; O, 21.24

Synonym: 1,1,1-Trifluoroethyl-PEG4-azide

IUPAC/Chemical Name: 14-azido-1,1,1-trifluoro-3,6,9,12-tetraoxatetradecane


InChi Code: InChI=1S/C10H18F3N3O4/c11-10(12,13)9-20-8-7-19-6-5-18-4-3-17-2-1-15-16-14/h1-9H2


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).

Harmonized System 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.