Support

Quick links
Frequently asked questions - categories
Ask a question
Contact Us
+1

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

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.

Product Attributes

CAS number

111843-78-8

Applications

pH indicators

Cell permeability

Membrane impermeant

Cellular localization

Fluid phase tracer

pKa

pKa 4.8

Indicator type

Ratiometric

Colors

Green

Size
Catalog #
price
Qty
200 mg
Clear selection
Add to wishlist
ADD TO CART
(Please select quantity above )

Wishlist updated! View wishlist

Shipping, Handling & Tax (CA only) not included in price. Learn more

Tax is assessed in the state of California. All fees will be calculated during checkout based on your shipping information and are subject to change.

SPECIAL - Order 5 or more and receive 10% off.

Request a Bulk Quote

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
  • λExλEm = 504/529 nm

  • ε= 90,000
  • Orange solid soluble in DMSO and pH>6 buffers
  • Store at room temperature and protect from light, especially in solution
  • C21H10Cl2O7
  • MW: 445
  • [111843-78-8]

 

References

1. Biochemistry 26, 6330 (1987).

2. Biochim Biophys Acta 985, 75 (1989).

3. Anal Biochem 187, 109 (1990).

 

You may also like…