5-Carboxyfluorescein ≥99% (by HPLC)

Supplier: ADIPOGEN CORP MS

Synonyms: Spiro(isobenzofuran-1(3H),9'-(9H)xanthene)-5-carboxylic acid, 3',6'-dihydroxy-3-oxo-, 5-FAM, 3',6'-Dihydroxy-3-oxo-3H-spiro[isobenzofuran-1,9'-xanthene]-5-carboxylic acid, 5-Carboxyfluorescein hydrate

CDX-C0014-M025 CDX-C0014-M100 CDX-C0014-G001
102987-550EA 62.31 USD
102987-550 102987-552 102987-554
5-Carboxyfluorescein ≥99% (by HPLC)
5-Carboxyfluorescein

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.

Formula: C₂₁H₁₂O₇.xH₂O
MW: 376.32 g/mol (anhy)
MDL Number: MFCD00036874
CAS Number: 76823-03-5

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