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Biotium Biotin-4-Fluorescein
Supplier: Biotium 90062
Biotin-4-fluorescein (N-(5-aminopentyl)biotinamide, trifluoroacetic acid salt) has been reported to be a superior fluorescent biotin derivative for accurate measurement of avidin and streptavidin in crude biological samples. Binding of biotin to avidin and streptavidin is high affinity, fast and noncooperative. Properties: Ex/ Em = 494/523 nm; Yellow solid soluble in DMSO, or pH >7 buffers; Store at 4°C and protect from light; C33H32N4O8S; MW: 644.7
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