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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
From 46.00€ *
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5(6)-FAM
5(6)-FAM

Item number: CDX-C0045-G001

Dark orange to brown solid. Soluble in DMSO. Carboxyfluorescein is commonly employed as a polar tracer and used for intracellular pH measurements. It has also been used for studying viability of various types of bacteria.
Keywords: 5(6)-Carboxyfluorescein
Application: Intracellular pH indicator, Polar tracer
CAS 72088-94-9
MW: 376,32 D
From 54.00€ *
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5(6)-FAM [5-(and-6)-Carboxyfluorescein] (Validated for labeling peptides and oligos)
5(6)-FAM [5-(and-6)-Carboxyfluorescein] (Validated for...

Item number: ABD-100

Carboxyfluorescein (commonly called FAM) and its amine-reactive succinimidyl esters are favored over FITC in bioconjugations. FAM reagents give carboxamides that are more resistant to hydrolysis. In addition, FAM reagents require less stringent conjugation conditions and give better conjugation yields, and the...
Application: Labeling
CAS 72088-94-9
From 139.00€ *
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