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Fluorescein-PEG6-Acid


Fluorescein-PEG6-Acid

Catalog:CDPB-04812

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INQUIRY Datasheet

Common UseFluorescein-PEG6-Acid is a xanthene dye with excitation/emmission maximum 494/517 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. It be used as quantum yield standard. Hydophilic PEG spacer increases solubility in aqueous media and reduces steric hindrance during binding.
Structure Fluorescein-PEG6-Acid
PEG Molecular Weight742.8 g/mol
Functional GroupCarboxylic Acid
Purity96%
Storage-20°C in the dark
FluorophoresFluorescein
Molecular FormulaC36H42N2O13S
CAS No.2055014-69-0
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