CAS Registry Number

CAS 72088-94-9 — 5(6)-Carboxyfluorescein

5(6)-Carboxyfluorescein is a fluorescent dye used in biochemical assays, including flow cytometry, fluorescence microscopy, and molecular biology applications. It is commonly employed as a label for proteins, nucleic acids, and cellular tracers due to its high quantum yield and photostability. Available in powder form with a molecular formula of C21H12O7, a molecular weight of 376.32 g/mol, and stored at ambient temperature. CAS number: 72088-94-9. Signal word: Warning. Molekula supplies 5(6)-Carboxyfluorescein from research to bulk quantities with full documentation and ISO 9001:2015 traceability.