二氟羧基荧光素NHS酯,6-异构体-5 mg-Difluor

二氟羧基荧光素NHS酯,6-异构体-5 mg，Difluorocarboxyfluorescein NHS Ester, 6-isomer-5 mg，二氟羧基荧光素NHS酯,6-异构体-5 mg,Difluorocarboxyfluorescein NHS Ester, 6-isomer-5 mg

二氟羧基荧光素NHS酯,6-异构体-5 mg-Difluorocarboxyfluorescein NHS Ester, 6-isomer-5 mg

产品货号：CCT-FP-1223-5

产品规格：5mg

二氟羧基荧光素NHS酯，6-异构体(俄勒冈州绿色488 NHS酯当量)是一种明亮的绿色荧光发射染料。

Difluorocarboxyfluorescein NHS Ester, 6-isomer (also known as Oregon Green™ 488 Carboxylic Acid, Succinimidyl Ester, 6-isomer) is an amine-reactive fluorinated analog of fluorescein that overcomes some of the key limitations of fluorescein, including greater photostability and a lower pKa (pKa ~ 4.7 versus 6.4 for fluorescein), making its fluorescence essentially pH insensitive in the physiological pH range. Although the mixed isomers of Difluorocarboxyfluorescein NHS Ester, is a preferred, routinely used fluorescent dye for labeling proteins, peptides and nucleotides, purification of peptide and nucleotides labeled with 5(6) isomers might be troublesome due to significant signal broadening in HPLC purification. Peptides and nucleotides labeled with a single isomer usually give better resolution in HPLC purification that is often required in the conjugation processes. Difluorocarboxyfluorescein NHS Ester dye is structurally identical toOregon Green™ 488 Carboxylic Acid, Succinimidyl Ester, 6-isomer sold by ThermoFisher Scientific.

二氟羧基荧光素NHS酯,6-异构体-5 mg-Difluorocarboxyfluorescein NHS Ester, 6-isomer-5 mg-20°C.

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