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5-Carboxy-2′,7′-dichlorofluorescein (single isomer)

This dye can be used as a low pH indicator similar to 51015, and is also useful as a general green fluorescent label.

Product Attributes

Applications

pH indicators

Cell permeability

Membrane impermeant

Cellular localization

Fluid phase tracer

pKa

pKa 4.8

Indicator type

Ratiometric

Colors

Green

Excitation/Emission

504/529 nm

Size
Catalog #
price
Qty
100 mg
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Protocols
SDS

Product Description

This dye can be used as a low pH indicator similar to 51015, and is also useful as a general green fluorescent label. Carboxy-2′,7′-dichlorofluorescein is significantly more photo-stable than carboxyfluorescein.

  • λExEm = 504/529 nm (pH 8)
  • ε = 90,000
  • Yellow solid soluble in DMSO, DMF or basic water (pH >7)
  • Store at  4°C and protect from light
  • C21H10Cl2O7
  • MW: 445

References

n/a

 

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