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N-(m-PEG9)-N'-(PEG5-acid)-Cy5

Catalog Number DYE-FLU-0012
CAS Number 2107273-26-5
Description N-(m-PEG9)-N'-(PEG5-acid)-Cy5 is a near infrared (NIR) fluorescent Cy 5 labeled PEG linker containing free terminal carboxyl acid. Terminal carboxylic acid can react with primary amine groups in the presence of of activators (e.g. EDC, or HATU) to form a stable amide bond. The hydophilic PEG spacer increases solubility in aqueous media. Cy5 labeled PEG linker can be easily traced from its blue color and strong fluorescence.
Molecular Weight 1093.8 g/mol
Molecular Formula C57H89ClN2O16
Purity 97%
Solubility Water, DMSO, DMF, DCM
Application For Industrial and laboratory use
Storage -20°C
Emission Maximum 667 nm
Excitation Maximum 649 nm
Extinction Coefficients 170000
Shipping Ambient temperature

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