5-Carboxy-2, 7-dichlorosulfonefluorescein (single isomer)

Biotium

5-Carboxy-2',7'-dichlorosulfonefluorescein

9

Research Use Only

The pKa of 5-carboxy-2,7-dichlorosulfonefluorescein is near 4 and thus the dye is potentially an excellent pH indicator for acidic organelles. lambdaEx/lambda Em= 509/532nm (pH 9) epsilon = 92,000 Yellow solid soluble in DMSO, DMF or a buffer (pH >6) Store at 4°C and protect from light C20H10Cl2O8S MW: 481.26

2°C to 8°C

41116134