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


Catalog #: 51017.

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 room temperature and protect from light
  • C21H10Cl2O7
  • MW: 445

Shipment Method: Shipping and handling methods will be assessed and calculated at time of shipment based upon item(s) storage temperature conditions.

Expedited shipment may be requested at time of checkout.

Please note that products with recommended storage at 4°C or -20°C may ship at ambient temperature. This will not affect product performance. When you receive the product, place it under the recommended storage conditions.

More information about product handling and shelf life