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Bis-(N,N'-carboxyl-PEG4)-Cy5


Bis-(N,N'-carboxyl-PEG4)-Cy5

Catalog:CDPB-04772

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INQUIRY Datasheet

Common UseBis-(N,N'-carboxyl-PEG4)-Cy5 is a PEG derivative containing a cyanine dye with excitation/emmission maximum 649/667 nm and a 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.
Structure Bis-(N,N'-carboxyl-PEG4)-Cy5
PEG Molecular Weight887.5 g/mol
Functional GroupCarboxylic Acid
Purity98%
Storage-20°C in the dark
FluorophoresCy5
Molecular FormulaC47H67ClN2O12
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