5(6)-Carboxyfluorescein diacetate NHS ester [CFSE (5(6)-CFDA SE)] ≥98% (durch TLC) fluoreszierender pH-Indikator

Lieferant: Biotium

Synonyme: CFDA-SE, CFSE, Carboxyfluorescein diacetate succinimidyl ester, 5(6)-CFDA N-succinmidyl ester, 5(6)-Carboxyfluorescein diacetate succinimidyl ester, 5(6)-CFDA SE

90041
90041.EA 278 EUR
90041.
5(6)-Carboxyfluorescein diacetate NHS ester [CFSE (5(6)-CFDA SE)] ≥98% (durch TLC) fluoreszierender pH-Indikator
5(6)-Carboxyfluorescein diacetate NHS ester [CFSE (5(6)-CFDA SE)]

5(6)-CFDA, SE (full name: 5-(and-6)-Carboxyfluorescein diacetate, succinimidyl ester, also known as CFSE) is a useful fluorescent tracer that can passively diffuse into cells and covalently label intracellular proteins, resulting in long-term cell labeling.


  • λEx/λEm (of hydrolysis product at pH 7) = 495/519 nm
  • pKa 6.5
  • Cell permeability: Membrane permeant
  • Colors: Green
  • White solid soluble in DMSO or DMF
  • Store at -20°C and protect from light


The reagent itself is colorless and non-fluorescent but becomes brightly green fluorescent once it is hydrolyzed by intracellular esterases. The labeling has been shown to be stable to formaldehyde or gluteraldehyde fixation. Also see our CFDA SE Cell Proliferation Assay Kit (catalog no. 30050).

Formel: C₂₉H₁₉NO₁₁
Molecular Weight: 557,467 g/mol
Lagertemperatur: Gefrierschrank
MDL: MFCD00037466
CAS-Nummer: 150347-59-4
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