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QSY-21

CAT: 0013-GTR19298702-01Size: 50 mgDry Ice: NoHazardous: No
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CAT#:0013-GTR19298702-01Size:50 mg
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24/48H Stock Items & 2 to 6 Weeks non Stock Items.
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Description
QSY-21 is a fluorescence quencher with broad absorption in the far-red and near-infrared regions, effectively quenching the fluorescence of dyes that emit in these areas. It is a carboxylic acid derivative with a strong maximum absorption at 661 nm, making it a suitable acceptor for fluorescence resonance energy transfer (FRET) applications. QSY-21 is commonly used as a quencher for Cyanine5, Cyanine5.5, AF 647, or other spectrally similar fluorescent dyes.
CAS Number
1200894-41-2
Molecular Weight
718.26
Storage Conditions
-20°C
Notes
For research use only.

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Alternative Products

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T206610-01QSY-21
T89618-01QSY 21 NHS
2031-AATQXY21 [equivalent to QSY-21]
5260-AATFMOC-Lys (QSY-21) -OH
2033-AATQXY21 NHS ester [equivalent to QSY-21 NHS ester]
HY-D2735QSY-9-succinimidyl ester
5261-AATFMOC-Lys (QSY-7) -OH
2037-AATQXY7 acid [equivalent to QSY-7 acid]
2038-AATQXY7 NHS ester [equivalent to QSY-7 NHS ester]
228232Interleukin-21 (IL-21)

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