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N-(mPEG4)-N'-(PEG4-Acid)-Cy5


N-(mPEG4)-N'-(PEG4-Acid)-Cy5

Catalog:CDPB-04766

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INQUIRY Datasheet

Common UseN-(mPEG4)-N'-(PEG4-acid)-Cy5 is a near infrared (NIR) fluorescent Cy 5 labeled PEG derivative containing free terminal carboxyl acid. Terminal carboxylic acid can react with primary amine groups in the presence of of activators (e.g. EDC, or DCC) to form a stable amide bond. The hydophilic PEG spacer increases solubility in aqueous media. Cy5 labeled PEG derivative can be easily traced from its blue color and strong fluorescence.
Structure N-(mPEG4)-N'-(PEG4-Acid)-Cy5
PEG Molecular Weight829.5 g/mol
Functional GroupMethyl/Carboxylic Acid
Purity98%
Storage-20°C in the dark
FluorophoresCy5
Molecular FormulaC45H65ClN2O10

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