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N-(mPEG4)-N'-(PEG2-Acid)-Cy5


N-(mPEG4)-N'-(PEG2-Acid)-Cy5

Catalog:CDPB-04765

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INQUIRY Datasheet

Common UseN-(mPEG4)-N'-(PEG2-acid)-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 N-(mPEG4)-N'-(PEG2-Acid)-Cy5
PEG Molecular Weight741.4 g/mol
Functional GroupMethyl/Carboxylic Acid
Purity97%
Storage-20°C in the dark
FluorophoresCy5
Molecular FormulaC41H57ClN2O8
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