5(6)-Carboxyfluorescein 是一种胺反应性 pH 敏感的绿色荧光标记物，能够标记蛋白质、多肽和氨基酸，可用于体内实验检测肿瘤位置。

5(6)-Carboxyfluorescein contains a carboxylic acid that can be used to react with primary amines via carbodiimide activation of the carboxylic acid.

72088-94-9

C42H24O14

752.64

5-(and-6)-Carboxyfluorescein mixed isomers;5(6)-羧基荧光素;5(6)-FAM;5(6)-Carboxyfluorescein

DMSO:41 mg/mL (108.95 mM)
Powder: -20°C for 3 years
In solvent: -80°C for 2 years