Quasar 670-3'

Code : [Qsr-670]

Modification : Quasar 670-3'

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

26-6709
Fluorescent Dyes
[Qsr-670]
N
Y
N
645.78
2800
PS26-6709.pdf
644
670
187000

Catalog No	Scale	Price
26-6709-05	50 nmol	$97.00
26-6709-02	200 nmol	$97.00
26-6709-01	1 umol	$126.00
26-6709-03	2 umol	$189.00
26-6709-06	5 umol	$567.00
26-6709-10	10 umol	$1,011.00
26-6709-15	15 umol	$1,264.00

Discounts are available for Quasar 670-3'!
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
CAL Fluor Red 590	5'-Cy3	Quasar 670-3'
3'-Cy5	3'-Cy3	CAL Fluor Red 635
Cy5 Internal	CAL Fluor Red 610	CAL Fluor Orange 560
5'-Cy5	Cal Fluor Gold 540	Cy3 Internal
Quasar 570-3'

Quasar 570 is identical to Cy3 and Quasar 670 is identical to Cy5. Cy3 and Cy5 named fluorophores are available for 5', 3', Internal and NHS forms for post synthesis conjugation. Please see related fluorophores listed above. Click here for list of fluorophores.

Quasar 670 is an indocarbocyanine which fluoresces in the red region of the visible spectrum. The absorption Max is 644 nm and emission max is at 670 nm.This fluorophore is a direct replacement for Cy5. Quasar 670 can be used for the 5' labeling of fluorogenic probes used in 5' nuclease assays, Molecular Beacons, and other detection assays. Appropriate quencher for Quaser 670 is BBQ 650 with an absorption max at 650nm, BHQ-2 has an absorption range 550-650 nm with the max at 579 nm; it will also quench the fluorescence of Quasar 670.

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.

- Quasar 670-3'