二氟羧基荧光素NHS酯,5-异构体-100 mg-Diflu

二氟羧基荧光素NHS酯,5-异构体-100 mg，Difluorocarboxyfluorescein NHS Ester, 5-isomer-100 mg，二氟羧基荧光素NHS酯,5-异构体-100 mg,Difluorocarboxyfluorescein NHS Ester, 5-isomer-100 mg

二氟羧基荧光素NHS酯,5-异构体-100 mg-Difluorocarboxyfluorescein NHS Ester, 5-isomer-100 mg

产品货号：CCT-FP-1222-100

产品规格：100mg

俄勒冈州绿色488 NHS酯是一种明亮的绿色荧光发射染料，通常用作pH敏感性荧光素染料的上级替代品。

Difluorocarboxyfluorescein NHS Ester, 5-isomer Oregon Green™ 488 Carboxylic Acid, Succinimidyl Ester, 5-isomer equivalent) 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 dye structurally is identical to Oregon Green™ 488.

二氟羧基荧光素NHS酯,5-异构体-100 mg-Difluorocarboxyfluorescein NHS Ester, 5-isomer-100 mg-20°C.

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