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ChemicalBook--->CAS DataBase List--->2183440-40-4

2183440-40-4

2183440-40-4 Structure

2183440-40-4 Structure
IdentificationBack Directory
[Name]

Fluorescein-PEG5-Acid
[CAS]

2183440-40-4
[Synonyms]

5-FITC-?PEG5-?COOH
Flurescein-PEG5-COOH
Fluorescein-PEG5-Acid
[Molecular Formula]

C34H38N2O12S
[MDL Number]

MFCD31580134
[MOL File]

2183440-40-4.mol
[Molecular Weight]

698.74
Chemical PropertiesBack Directory
[solubility ]

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

Fluorescein-PEG5-Acid is a xanthene dye with excitation/emission maximum of 494/517 nm and a free terminal carboxyl acid. The terminal carboxylic acid can react with primary amine groups in the presence of activators (e.g. EDC, or HATU) to form a stable amide bond. It be used as quantum yield standard. Hydrophilic PEG spacer increases solubility in aqueous media and reduces steric hindrance during binding.
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