Fluorescein-PEG6-Bis-NHS ester


Fluorescein-PEG6-Bis-NHS ester

Catalog:CDPB-04818

Unit Size:1 mg, 2 mg, 5 mg

INQUIRY Datasheet

Specifications
Common Use Fluorescein-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 Weight 939.0 g/mol
Functional Group Carboxylic Acid
Fluorophores Fluorescein
Purity 95%
Molecular Formula C44H50N4O17S
CAS No. 2055105-59-2
Storage -20°C in the dark
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