Lightcycler® 640 (NHS Ester) is only available as an NHS Ester and must be attached to an amino-modified oligonucleotide. It is a red dye which spectrally lies between Texas Red® (NHS Ester) and Cy5™. It is commonly used as a FRET reporter along with a 6-FAM™ donor in assays run on the Roche Lightcycler® real-time PCR platform.

Scientific Details

MW:	902.9
Mod Code:	/5LtC640N/
Extinction Coefficient:	67363
Absorbance Max:	620 nm
Emission Max:	635
Extinction Coefficient (At Absorbance max):	181070

Pricing Details

Product	Pricing	Order
100 nmole DNA Oligo	$480.00 USD	Add To Order
250 nmole DNA Oligo	$480.00 USD	Add To Order
1 umole DNA Oligo	$721.00 USD	Add To Order
2 µmole DNA Oligo	$937.00 USD	Add To Order
100 nmole RNA Oligo	$480.00 USD	Add To Order
250 nmole RNA Oligo	$480.00 USD	Add To Order
1 umole RNA Oligo	$721.00 USD	Add To Order
* Requires HPLC Purification

Purification Compatibility

Requires HPLC	Yes
Requires IE-HPLC	No
Allows PAGE	No
Requires RNase-Free HPLC	No