6-Carboxyfluorescein
Supplier: ADIPOGEN CORP MS
The amine-reactive fluorescein derivatives are probably the most common fluorescent derivatization reagents for covalently labeling proteins. Carboxyfluorescein is better retained in cells than is fluorescein, its pKa of ~6.5 is lower than the cytosolic pH of most cells (pH ~6.8-7.4). Carboxyfluorescein is commonly employed as a polar tracer.
Formula:
C₂₁H₁₂O₇ |
MDL Number:
MFCD00036873 CAS Number: 3301-79-9 |
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