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Fluorescein-PEG6-Bis-NHS ester


Fluorescein-PEG6-Bis-NHS ester

Catalog:CDPB-04818

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INQUIRY Datasheet

Common UseFluorescein-PEG6-Bis-NHS ester is a fluorescein labeled PEG derivative containing two NHS groups, which enables labeling for antibodies and other purified proteins at primary amines (lysine side chains). The hydrophilic PEG spacer arm increases solubility in aqueous media.
Structure Fluorescein-PEG6-Bis-NHS ester
PEG Molecular Weight939.0 g/mol
Functional GroupCarboxylic Acid
Purity95%
Storage-20°C in the dark
FluorophoresFluorescein
Molecular FormulaC44H50N4O17S
CAS No.2055105-59-2
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