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Quasar 570

Quasar 570

Code : [Qsr570]

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picture of Quasar 570

Modification : Quasar 570

Catalog Reference Number
Modification Code
5 Prime
3 Prime
Molecular Weight (mw)
Extinction Coeficient (ec)
Technical Info (pdf)
Absorbance MAX
Emission MAX
Absorbance EC

Fluorescent Dyes

Catalog NoScalePrice
26-6567-0550 nmol$227.00
26-6567-02200 nmol$227.00
26-6567-011 umol$295.00
26-6567-032 umol$442.00
26-6567-1010 umol$2,359.00
26-6567-1515 umol$2,948.00
Discounts are available for Quasar 570!
Modification* Discount Price Structure
1 site/order List price
2 sites/order 10% discount
3 sites/order 20% discount
4 sites/order 30% discount
5-9 sites/order 50% discount
10+ sites/order 60% discount
*Exceptions apply
Related Modifications
5'-Cy3 3'-Cy3 3'-Cy5

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


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.

- Quasar 570

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