CHF 48.00
In stock
CDX-C0014-M02525 mgCHF 48.00
CDX-C0014-M100100 mgCHF 143.00
CDX-C0014-G0011 gCHF 1'142.00
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Product Details
Synonyms 5-Carboxyfluorescein
Product Type Chemical
Formula C21H12O7
MW 376.32
CAS 76823-03-5
Source/Host Chemicals Synthetic.
Purity Chemicals ≥99% (HPLC)
Appearance Yellow-orange solid.
Solubility Soluble in water, DMSO or DMF.
Identity Determined by 1H-NMR.
Declaration Manufactured by Chemodex.
Other Product Data

Click here for Original Manufacturer Product Datasheet
Our product description may differ slightly from the original manufacturers product datasheet.

Smiles OC(=O)C1=CC=C(C(=C1)C(O)=O)C1=C2C=CC(=O)C=C2OC2=CC(O)=CC=C12
Shipping and Handling
Shipping AMBIENT
Short Term Storage +4°C
Long Term Storage +4°C
Handling Advice Protect from light and moisture.
Use/Stability Stable for at least 2 years after receipt when stored at +4°C.
MSDS Download PDF
Product Specification Sheet
Datasheet Download PDF

The amine-reactive fluorescein derivatives are probably the most common fluorescent derivatization reagents for covalently labeling proteins. Carboxyfluorescein is better retained in cells than is fluorescein, its pKa of ~6.5 is lower than the cytosolic pH of most cells (pH ~6.8-7.4). Carboxyfluorescein is commonly employed as a polar tracer.

Product References

(1) R. Fischer et al., Bioconjugate Chem. 14, 653 (2003) | (2) E. Ralston et al., Biochim. Biophys. Acta, Biomembranes 649(1), 133 (1981)

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