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QBD10644

Sigma-Aldrich

Lipoamido-dPEG®36-TFP ester

>90% (HPLC)

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Synonym(s):
Lipoamido-PEG-TFP ester, Lipoamido-PEG36-TFP ester, TFP-PEG1500-Lipoamide
Empirical Formula (Hill Notation):
C89H163F4NO39S2
Molecular Weight:
2011.35
UNSPSC Code:
12352108
NACRES:
NA.22

Assay

>90% (HPLC)

form

solid or viscous liquid

reaction suitability

reaction type: Pegylations

polymer architecture

shape: linear
functionality: heterobifunctional

shipped in

ambient

storage temp.

−20°C

Features and Benefits

Lipoamido-dPEG36-TFP ester is a monodispersed, crosslinking PEGylation reagent that joins free amines to metal surfaces. The discrete PEG (dPEG) portion of this crosslinker is comparable to a PEG1500. The single molecular weight, discrete-chain-length polyethylene glycol (dPEG) product consists of alpha-lipoic acid and a 2,3,5,6-tetrafluorophenol (TFP) ester on opposite ends of a 120 atoms-long (136.1 Å) dPEG spacer. The lipoic acid group forms two (2) coordinate covalent bonds (dative bonds) with metal, especially gold and silver. The TFP ester reacts with free amines to form amide bonds. This product has been utilized for sensor development, peptide or protein immobilization on metal surfaces, and the formation of self-assembled monolayers (SAMs).

Legal Information

Products Protected under U.S. Patent #s 7,888,536 & 8,637,711 and European Patent #s 1,594,440 & 2,750,681
dPEG is a registered trademark of Quanta BioDesign

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Information

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