For research use only. Not for therapeutic Use.
5-Carboxyfluorescein is a single isomer derivative of 5(6)-carboxyfluorescein (Item No. <span class=/itemid/>17172</span>) that can be used to fluorescently label biomolecules through the interaction of carboxylic acid with primary amines. It demonstrates excitation/emission maxima of 492 and 518 nm, respectively.
| Catalog Number | R000789 |
| CAS Number | 76823-03-5 |
| Synonyms | 3’,6’-Dihydroxy-3-oxo-spiro[isobenzofuran-1(3H),9’-[9H]xanthene]-5-carboxylic Acid;?5-FAM; |
| Molecular Formula | C21H12O7 |
| Purity | ≥95% |
| Storage | -20°C |
| InChIKey | NJYVEMPWNAYQQN-UHFFFAOYSA-N |
