GENERAL CATALOGUE
QSY-21
HY-173308 · 50 mg
MedChemExpress · Cat: HY-173308
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Manufacturer product page
medchemexpress.com/qsy-21.htmlCatalog No: HY-173308
CAS No: 1200894-41-2
Pack Size: 50 mg
Brand: MedChemExpress
Description
QSY-21 is a fluorescence quencher. QSY-21 possesses broad absorption in far red and NIR range, and can quench fluorescence of dyes that emit in this region. This is a carboxylic acid derivative. QSY-21 has intense absorption maximum at 661 nm, making it useful as an acceptor in fluorescence resonance energy transfer FRET applications. It is a common quencher for Cyanine5, Cyanine5.5, AF 647, or other spectrally similar fluorescent dyes.
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