| 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 |
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| Catalog No | Scale | Price | | 26-6567-05 | 50 nmol | $210.00 | | 26-6567-02 | 200 nmol | $210.00 | | 26-6567-01 | 1 umol | $273.00 | | 26-6567-03 | 2 umol | $409.50 | | 26-6567-10 | 10 umol | $2,184.00 | | 26-6567-15 | 15 umol | $2,730.00 |
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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.
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Quencher Spectral Data
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Quencher
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Absorption Max, nm
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Quenching Range, nm
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| Dabcyl |
453 |
380-530 |
| BHQ1 |
534 |
480-580 |
| BHQ2 |
579 |
550-650 |
| BHQ3 |
672 |
620-730 |
| BBQ-650 |
650 |
550-750 |
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Click here for complete list of quenchers
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**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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