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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.

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100 mg
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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
 

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