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Oligo Modifications List | Oligo Modifications Reference Category
Modification : Quasar 570
Reference Catalog Number 26-6567
Category Fluorescent Dyes
Modification Code Qsr570
5 Prime Y
3 Prime Y
Internal Y
Molecular Weight (mw) 1
Extinction Coeficient (ec) 1
Technical Info (pdf) PS26-6567.pdf
Abvsorbance MAX 1
Emission MAX 1
Absorbance EC 1
Catalog NoScalePrice
26-6567-0550 nmol$210.00
26-6567-02200 nmol$210.00
26-6567-011 umol$273.00
26-6567-032 umol$409.50
26-6567-1010 umol$2,184.00
26-6567-1515 umol$2,730.00
Quasar 570 is an indocarbocyanine which fluoresces in the yellow-orange region of the visible spectrum. This compound is a direct replacement for Cy3 dye. Quasar 570 amidite is used for the 5' labeling of fluorogenic probes used in 5' nuclease assays, Molecular Beacons, Scorpions primers, and other detection assays. BHQ®-2 dye will quench the Quasar 570 moiety.
For internal labeling we recommend the use of Cy3-NHS that is conjugated post synthesis using an amino group. BR>

Quencher Spectral Data

Quencher

Absorption Max, nm

Quenching Range, nm

Dabcyl 453 380-530
BHQ1 534 480-580
BHQ2 579 550-650
BHQ3 672 620-730
BBQ-650 650 550-750
Click here for complete list of quenchers
**Black Hole Quencher License Agreement
"Black Hole Quencher", "BHQ-1", "BHQ-2" and "BHQ-3" are registered trademarks of Biosearch Technologies, Inc., Novato, CA. The BHQ technology is licensed and sold under agreement with Biosearch and these products are sold exclusively for R&D use by the purchaser. They may not be used for clinical or diagnostic purposes and they may not be resold, distributed or re-packaged.



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