5(6)-Carboxyfluorescein N-hydroxysuccinimide ester (5/6-FAM SE) ≥98% (durch TLC)

Lieferant: Biotium

Synonyme: NHS-Fluorescein, FLUOS, 5(6)-FAM SE

90024
90024.EA 183 EUR
90024.
5(6)-Carboxyfluorescein N-hydroxysuccinimide ester (5/6-FAM SE) ≥98% (durch TLC)
5(6)-Carboxyfluorescein N-hydroxysuccinimide ester (5/6-FAM SE)

5(6)-FAM SE (full name: 5-(and-6)-Carboxyfluorescein, succinimidyl ester mixed isomers) is an amine-reactive green fluorescent dye widely used for labeling proteins or other molecules that contain a primary or secondary aliphatic amine. The coupling reaction is usually carried out at pH 8-9.5. The amide linkage from the coupling reaction is much more stable than the thiourea linkage formed from the coupling of an amine and an isothiocyanate.


  • λEx/λEm = 495/519 nm
  • Yellow solid soluble in DMSO or DMF
  • Store at -20°C and protect from light

Formel: C₂₅H₁₅NO₉
Molecular Weight: 473,39 g/mol
Lagertemperatur: Gefrierschrank
MDL: MFCD04119713
CAS-Nummer: 117548-22-8
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