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5(6)-Carboxyfluorescein
5(6)-Carboxyfluorescein

Item number: Cay17172-1

5(6)-Carboxyfluorescein is a mixture of 5-carboxy and 6-carboxy derivatives of fluorescein. It is commonly used to label biomolecules through a reaction involving the carboxyl group. Unlike its succinimidyl ester derivative CFSE (Cay-14456), 5(6)-carboxyfluorescein is membrane impermeant. As a result, it can be used...
Keywords: 5(6)-FAM, 3',6'-dihydroxy-3-oxo-spiro[isobenzofuran-1(3H),9'-[9H]xanthene]-ar-carboxylic acid
Application: Biomolecule labeling
CAS 72088-94-9
MW: 376.3 D
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