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N-(azide-PEG3)-N'-(PEG4-Acid)-Cy5


N-(azide-PEG3)-N'-(PEG4-Acid)-Cy5

Catalog:CDPB-04771

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INQUIRY Datasheet

Common UseN-(azide-PEG3)-N'-(PEG4-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-(azide-PEG3)-N'-(PEG4-Acid)-Cy5
PEG Molecular Weight840.5 g/mol
Functional GroupAzide/Acid
Purity98%
Storage-20°C in the dark
FluorophoresCy5
Molecular FormulaC44H62ClN5O9
CAS No.2107273-42-5

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