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biotin-dpeg(r)4-tfp ester (c15-1848-115)

BIOTIN-DPEG4-TFP ESTER (C005B-432288)

Catalog No.
C005B-432288
Manufacturer No.
QBD10009-100MG
Manufacturer Name
Sigma-Aldrich
Quantity
100
Unit of Measure
MG

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Application Biotin-dPEG ®: 4 -TFP ester is an amphiphilic and hydrolytically stable compound used as a cross-linking reagent in biotinylations reactions. Features and Benefits Biotin-dPEG ®: 4 -TFP ester has 2,3,5,6-tetrafluorophenyl

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Application

Biotin-dPEG®4-TFP ester is an amphiphilic and hydrolytically stable compound used as a cross-linking reagent in biotinylations reactions.

Features and Benefits

Biotin-dPEG®4-TFP ester has 2,3,5,6-tetrafluorophenyl (TFP) moiety which hydrolyzes more slowly than NHS ester in aqueous media and are more reactive towards amines than NHS esters. The single molecular weight Biotin-dPEG®4-TFP ester has a long spacer of precise length (19.2 Ã…) between the biotin moiety and the labeled molecule. This dPEG spacer imparts a high degree of water solubility to the biotin label. The PEG 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

UPC:
12162006
Condition:
New
HazmatClass:
No
MPN:
QBD10009-100MG

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