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8.51021

Sigma-Aldrich

N₃-(PEG)₇-COOH (33 atoms)

Novabiochem®

Synonym(s):

N₃-(PEG)₇-COOH (33 atoms), O-(2-Azidoethyl)-O′-(N-diglycolyl-2-aminoethyl)-heptaethyleneglycol

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About This Item

Empirical Formula (Hill Notation):
C22H42N4O12
CAS Number:
Molecular Weight:
554.59
MDL number:
UNSPSC Code:
12352106
NACRES:
NA.22

Quality Level

product line

Novabiochem®

Assay

≥97.0% (HPLC)

form

oil

reaction suitability

reaction type: click chemistry

manufacturer/tradename

Novabiochem®

application(s)

peptide synthesis

storage temp.

2-8°C

InChI

1S/C22H42N4O12/c23-26-25-2-4-31-6-8-33-10-12-35-14-16-37-18-17-36-15-13-34-11-9-32-7-5-30-3-1-24-21(27)19-38-20-22(28)29/h1-20H2,(H,24,27)(H,28,29)

InChI key

WWDNBBVPYDZICO-UHFFFAOYSA-N

General description

This building block is prepared from highly purified PEG to ensure homogeneous products free from contaminating PEG oligomers. In this derivative the azido group acts as an orthogonally masked amine; it is stable to both TFA and piperidine but is easily converted to an amine by treatment with phosphines or thiols. For a similar spacer, see reference [1]. This material is now only available as an oil.

Associated Protocols and Technical Articles
Guide to Selection of Orthogonally-Protected Building Blocks for Fmoc SPPS

Literature references
[1] J. Mack, et al. (1999) J. Peptide Sci., 6, 135.

Linkage

Replaces: 01-63-0103

Analysis Note

Color (visual): slight yellow to yellow
Appearance of substance (visual): oil
Assay (HPLC, area%): ≥ 97.0 % (a/a)

Legal Information

Novabiochem is a registered trademark of Merck KGaA, Darmstadt, Germany

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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


Certificates of Analysis (COA)

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