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QBD10198

Sigma-Aldrich

NHS-dPEG®12-biotin

Synonym(s):

NHS-PEG Linker, Polyethylene glycol

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50 MG
$202.44
1000 MG
$1,890.00

About This Item

Empirical Formula (Hill Notation):
C41H72N4O18S
Molecular Weight:
941.09
UNSPSC Code:
12161502
PubChem Substance ID:
NACRES:
NA.22

$202.44

List Price$254.00Save 20%
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assay

>90%

form

solid or viscous liquid

reaction suitability

reagent type: cross-linking reagent
reaction type: Biotinylations
reactivity: amine reactive

polymer architecture

shape: linear
functionality: monofunctional

shipped in

ambient

storage temp.

−20°C

SMILES string

O=C(CCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCOCCNC(CCCCC1C2NC(NC2CS1)=O)=O)ON3C(CCC3=O)=O

InChI

1S/C41H72N4O18S/c46-36(4-2-1-3-35-40-34(33-64-35)43-41(50)44-40)42-8-10-52-12-14-54-16-18-56-20-22-58-24-26-60-28-30-62-32-31-61-29-27-59-25-23-57-21-19-55-17-15-53-13-11-51-9-7-39(49)63-45-37(47)5-6-38(45)48/h34-35,40H,1-33H2,(H,42,46)(H2,43,44,50)

InChI key

WOLXSUFTTIRQOU-UHFFFAOYSA-N

Features and Benefits

NHS-dPEG®12-biotin is used extensively to label molecules that contain a free amine with biotin. The single molecular weight NHS-dPEG®12-biotin has a long spacer of precise length (47.6 Å) between the biotin moiety and the labeled molecule. This dPEG® spacer imparts a high degree of water solubility to the biotin label. For biotinylated peptides and proteins, the dPEG® spacer dramatically reduces aggregation and precipitation of the modified molecule and reduces non-specific binding of the molecule, both of which are common problems with molecules that have been biotinylated with the widely used NHS-LC-biotin.

Legal Information

Products Protected under U.S. Patents # 7,888,536 B2
dPEG is a registered trademark of Quanta BioDesign

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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Artem Babaian et al.
Cell reports, 31(5), 107611-107611 (2020-05-07)
The ribosome is an RNA-protein complex that is essential for translation in all domains of life. The structural and catalytic core of the ribosome is its ribosomal RNA (rRNA). While mutations in ribosomal protein (RP) genes are known drivers of

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