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Product introduction

Extinction Coefficient Excitation Maximum: 170000; N-(m-PEG9)-N'-(PEG5-acid)-Cy5 is a near infrared (NIR) fluorescent Cy 5 labeled PEG derivative containing 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. Cy5 labeled PEG derivative can be easily traced from its blue color and strong fluorescence.

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Chinese name

N-(m-PEG9)-N'-(PEG5-酸)-Cy5

English name

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

Chinese alias

English alias

CAS number

2107273-26-5

molecular formula

C57H89ClN2O16

molecular weight

1093.8 g/mol

Exact mass

≥97%

PSA

Logp

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