5-(and-6)-carboxy-2′,7′- dichlorofluorescein



Product Description

5-(and-6)-carboxy-2′,7′-dichlorofluorescein is similar to carboxyfluorescein (51013), but has lower pKa. It is useful for detecting pH in more acidic environment. Also see the membrane-permeant compound dichlorofluorescein diacetate (51016).

  • pKa = 4.8
  • λExEm = 504/529 nm
  • λµ= 90,000
  • Orange solid soluble in DMSO and pH>6 buffers
  • Store at 4°C and protect from light, especially in solution
  • C21H10Cl2O7
  • MW: 445
  • [111843-78-8]

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 will be shipped at ambient temperature. This will not affect performance if the products are kept at the indicated temperature for long term storage. Please refer to the package insert for correct storage conditions.

More information about product handling and shelf life