Name: Correction Factors and Critical Values for iFluor®, Alexa Fluor®, and Other Commonly Used Dyes
Creator: AAT Bioquest
License: https://www.aatbio.com/tou.html

Correction Factors and Critical Values for iFluor®, Alexa Fluor®, and Other Commonly Used Dyes

Fluorophore	Molecular Weight	Ex (nm)	Em (nm)	ε¹	CF280²	CF260³
iFluor® 350	749.85	345	450	20,000	0.23	0.83
iFluor® 405	755.58	403	427	37,000	0.77	0.48
iFluor® 430	688.79	433	498	40,000	0.3	0.68
iFluor® 440	692.83	434	480	40,000	0.229	0.352
iFluor® 450	603.69	451	502	40,000	0.27	0.45
Rows per page: 1–5 of 60

References

This online resource may be cited as follows

MLA	"Quest Database™ Correction Factors and Critical Values for iFluor®, Alexa Fluor®, and Other Commonly Used Dyes." AAT Bioquest, Inc., 10 Jun. 2026, https://www.aatbio.com/data-sets/correction-factors-and-critical-values-for-ifluor-alexa-fluor-and-other-commonly-used-dyes.
APA	AAT Bioquest, Inc. (2026, June 10). Quest Database™ Correction Factors and Critical Values for iFluor®, Alexa Fluor®, and Other Commonly Used Dyes. AAT Bioquest. https://www.aatbio.com/data-sets/correction-factors-and-critical-values-for-ifluor-alexa-fluor-and-other-commonly-used-dyes.
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