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


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

Catalog:CDPB-04771

Unit Size:1 mg, 5 mg

INQUIRY Datasheet

Specifications
Common Use N-(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 Weight 840.5 g/mol
Functional Group Azide/Acid
Fluorophores Cy5
Purity 98%
Molecular Formula C44H62ClN5O9
CAS No. 2107273-42-5
Storage -20°C in the dark
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