Cy5-PEG4-Acid


Cy5-PEG4-Acid

Catalog:CDPB-04763

Unit Size:10 mg, 25 mg

INQUIRY Datasheet

Specifications
Common Use Cy5-PEG4-acid 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 Cy5-PEG4-Acid
PEG Molecular Weight 766.4 g/mol
Functional Group Acid
Fluorophores Cy5
Purity 96%
Molecular Formula C43H60ClN3O7
Storage -20°C in the dark
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