Product Name | 5-Carboxyfluorescein(5-FAM) |
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CAS | 76823-03-5 |
Formula | C21H12O7 |
MW | 376.32 |
Appearance | Yellow powder |
Storage condition | Dry, dark and at 0 - 4 ℃ for short term (days to weeks) or -20 ℃ for long term (months to years). |
5-Carboxyfluorescein is a highly soluble dye which is utilized as a pH indicator. 5-Carboxyfluorescein displays strong fluorescence and is concentration dependent. This compound labels proteins, nucleotides and peptides from carboxylic acid interacting with primary amines.5-Carboxyfluorescein is a single isomer derivative of 5(6)-carboxyfluorescein that can be used to fluorescently label biomolecules through the interaction of carboxylic acid with primary amines.1 It demonstrates excitation/emission maxima of 492 and 518 nm, respectively
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