Reporters Quenchers

Spectral properties of fluorophores

The table below details the most commonly used dyes for the fluorescent probes, together with their excitation and emission data. Please enquire for any other labels.

Quenchers	Maximum absorbance (nm)	Maximum emission (nm)
BHQ-1 Dark Quencher	535	None
BHQ-2 Dark Quencher	579	None
DABCYL Dark Quencher	453	None
DABCYL-dT Dark Quencher	453	None
TAMRA	550	576
Labels	Maximum absorbance (nm)	Maximum emission (nm)
6-FAM	495	517
Cy3	550	570
Cy5	650	667
Cy5.5	675	694
Fluorescein	495	520
HEX	537	553
JOE	520	548
LightCycler Red 610	590	610
LightCycler Red 640	625	640
LightCycler Red 670	650	670
LightCycler Red 705	680	705
Oregon Green 488	495	521
Oregon Green 500	499	519
Oregon Green 514	506	526
Rhodamine	564	603
6-CarboxyRhodamine 6G	524	557
Rhodamine Green	504	532
Rhodamine Red	570	590
ROX	581	607
TAMRA	550	576
TET	521	538
Texas Red	589	610

your favorite gene search

Service & Support

Ordering

Corporate

©2011 Sigma-Aldrich Co. LLC. All rights reserved. SIGMA, SAFC, SIGMA-ALDRICH, ALDRICH, and SUPELCO are trademarks of Sigma-Aldrich Co. LLC, registered in the US and other countries. FLUKA is a trademark of Sigma-Aldrich GmbH, registered in the US and other countries. Sigma brand products are sold through Sigma-Aldrich, Inc. Purchaser must determine the suitability of the product(s) for their particular use. Additional terms and conditions may apply. Site Use Terms | Privacy