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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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250 MG
$393.00

About This Item

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

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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

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This Item
716137631876172
assay

≥95% (oligomer purity)

assay

≥90% (oligomer purity)

assay

≥90% (oligomer purity)

assay

≥90% (oligomer purity)

reaction suitability

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

reaction suitability

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

reaction suitability

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

reaction suitability

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

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

form

powder

form

liquid

form

liquid

form

liquid

mol wt

average Mn 400

mol wt

-

mol wt

-

mol wt

-

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.[1][2][3][4][5][6] This precursor is compatible for acetylene-azide click reactions.[5]

Some of the reported applications include:
  • Synthesis of strain-stiffening hydrogels through self-assembly of oligomers fibres derived from Azido-PEG (n=7).[1]
  • Synthesis of biodegradable tetra-PEG hydrogels for drug delivery system.[2]
  • Synthesis of heterobifunctional oligo(ethylene glycol) linkers for bioconjugation and targeted drug delivery.[3]
  • Preparation of synthetic amphiphiles for programmed pH-dependent dispersions of carbon nanotubes (CNTs).[4]
  • Selective glycoprotein detection through allosteric click-imprinting by using a self-assembled monolayer developed from the above oligomer.[5]
  • Preparation of bioactivated quantum dot micelles containing fluorescent nanocrystals.[6]

Packaging

Bottomless glass bottle. Contents are inside inserted fused cone.

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

Storage Class

10 - Combustible liquids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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