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1807518-76-8

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1807518-76-8 Structure

1807518-76-8 Structure
IdentificationBack Directory
[Name]

Fluorescein-PEG4-Acid
[CAS]

1807518-76-8
[Synonyms]

5-FITC-PEG4-COOH
Flurescein-PEG4-COOH
Fluorescein-PEG4-Acid
[Molecular Formula]

C32H34N2O11S
[MDL Number]

MFCD23726637
[MOL File]

1807518-76-8.mol
[Molecular Weight]

654.68
Chemical PropertiesBack Directory
[solubility ]

Soluble in Water, DMSO, DMF, DCM
Hazard InformationBack Directory
[Description]

Fluorescein-PEG4-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 HATU) 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.
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