QSY™ 21 Carboxylic Acid, Succinimidyl Ester

Catalog number:  Q20132

Related applications:

Labeling Chemistry

| Protein Labeling & Crosslinking

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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.


Chemical Reactivity: Amine
Shipping Condition: Wet Ice
Label Type: Quencher Dyes
Label or Dye: QSY™ 21
Product Line: QSY™
Reactive Moiety: Active Ester, Succinimidyl Ester

Contents & storage

Store in freezer (-5 to -30°C) and protect from light.