| Description | 5(6)-Carboxyfluorescein (5-(and-6)-Carboxyfluorescein mixed isomers) contains a carboxylic acid that can be used to react with primary amines via carbodiimide activation of the carboxylic acid. |
| Synonyms | 5(6)-羧基荧光素, 5-(and-6)-Carboxyfluorescein mixed isomers, 5(6)-FAM |
| molecular weight | 376.32 |
| Molecular formula | C21H12O7 |
| CAS | 72088-94-9 |
| Storage | keep away from direct sunlight | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. |
| Solubility | DMSO: 41 mg/mL (108.95 mM) |
| References | 1. Babcock DF. Examination of the intracellular ionic environment and of ionophore action by null point measurements employing the fluorescein chromophore. J Biol Chem. 1983 May 25;258(10):6380-9. 2. Bonizzoni M, et al. PAMAM dendrimer-induced aggregation of 5(6)-carboxyfluorescein. J Org Chem. 2012 Feb 3;77(3):1258-66. |