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689440

Sigma-Aldrich

O-(2-Azidoethyl)heptaethylene glycol

≥95% (oligomer purity)

Synonym(s):

Azido-PEG (n=7)

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About This Item

Empirical Formula (Hill Notation):
C16H33N3O8
CAS Number:
Molecular Weight:
395.45
Beilstein:
8940056
MDL number:
UNSPSC Code:
12352200
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

≥95% (oligomer purity)

form

powder

mol wt

average Mn 400

reaction suitability

reaction type: click chemistry
reagent type: cross-linking reagent

Ω-end

hydroxyl

α-end

azide

functional group

azide
hydroxyl

storage temp.

2-8°C

SMILES string

OCCOCCOCCOCCOCCOCCOCCOCCN=[N+]=[N-]

InChI

1S/C16H33N3O8/c17-19-18-1-3-21-5-7-23-9-11-25-13-15-27-16-14-26-12-10-24-8-6-22-4-2-20/h20H,1-16H2

InChI key

BUMODEBRFGPXRM-UHFFFAOYSA-N

Application

O-(2-Azidoethyl)heptaethylene glycol is used to synthesize oligo and poly(ethylene glycol) derivatives that are used as structural units of dendrimers, hydrogels, surface modifiers, self-assembling systems and molecular crosslinkers. This precursor is compatible for acetylene-azide click reactions.

Some of the reported applications include:
  • Synthesis of strain-stiffening hydrogels through self-assembly of oligomers fibres derived from Azido-PEG (n=7).
  • Synthesis of biodegradable tetra-PEG hydrogels for drug delivery system.
  • Synthesis of heterobifunctional oligo(ethylene glycol) linkers for bioconjugation and targeted drug delivery.
  • Preparation of synthetic amphiphiles for programmed pH-dependent dispersions of carbon nanotubes (CNTs).
  • Selective glycoprotein detection through allosteric click-imprinting by using a self-assembled monolayer developed from the above oligomer.
  • Preparation of bioactivated quantum dot micelles containing fluorescent nanocrystals.

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Selective glycoprotein detection through covalent templating and allosteric click-imprinting.
Stephenson-Brown A, et al.
Chemical Science, 6(9), 5114-5119 (2015)
Small bioactivated magnetic quantum dot micelles.
Roullier V, et al.
Chemistry of Materials, 20(21), 6657-6665 (2008)
Efficient synthesis of diverse heterobifunctionalized clickable oligo (ethylene glycol) linkers: potential applications in bioconjugation and targeted drug delivery.
Goswami LN, et al.
Organic & Biomolecular Chemistry, 11(7), 1116-1126 (2013)
Programmed dispersions of MWNTs in aqueous media by coating with photopolymerizable synthetic amphiphiles.
Thauvin C, et al.
The Journal of Physical Chemistry C, 115(15), 7319-7322 (2011)
Strain stiffening hydrogels through self?assembly and covalent fixation of semi?flexible fibers.
Sijbesma RP, et al.
Angewandte Chemie (International Edition in English), 56, 8771-8771 (2017)

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