6-FAM

3301-79-9

3',6'-dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-6-carboxylic acid

6-Carboxyfluorescein

0.9876

≥7.63 mg/mL in DMSO with ultrasonic; ≥4.87 mg/mL in EtOH with ultrasonic; insoluble in H2O

OC(C=C1)=CC2=C1C3(C(C=C(C(O)=O)C=C4)=C4C(O3)=O)C5=C(O2)C=C(O)C=C5

C21H12O7

376.32

Blue ice

Store at -20°C.