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Biotin-PEG12-NHS ester

Biotin-PEG12-NHS ester is PEG derivative containing a biotin group and an NHS ester group. The hydrophilic PEG spacer increases solubility in aqueous media. The NHS group reacts specifically and efficiently with lysine and N-terminal amino groups at pH 7-9 to form stable amide bonds. The long PEG spacer arm also gives this reagent a long and flexible connection to minimize steric hindrance for binding to avidin molecules.

Catalog #:
BP-21619
Name:
Biotin-PEG12-NHS ester
Formula:
C41H72N4O18S
MW:
941.1
CAS:
365441-71-0
Purity:
98%
Availability:
In Stock
Ships within:
24 hours
Storage condition:
-20 ° C
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