The amine-reactive quencher, QSY® 21 succinimidyl ester has a broad and intense absorption (~661 nm maxima) but no fluorescence making it useful as an acceptor in fluorescence resonance energy transfer (FRET) applications.
For Research Use Only. Not for use in diagnostic procedures.
Label or Dye:
Active Ester, Succinimidyl Ester
Contents & storage
Store in freezer (-5 to -30°C) and protect from light.