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PromoFluor 633P

PromoFluor 633P (Ex-Max 637 nm/Em-Max 657 nm)

PromoFluor 633P is a fluorophore with an excitation peak at 635 nm and an emission peak at 658 nm. It is equivalent to Alexa Fluor™ 633 and Cy5 in size, brightness and application. It can be used with the following analysis platforms: Flow Cytometry and Fluorescence Microscopy.

Excitation & emission spectra

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Key facts

Excitation maximum
637 nm
Emission maximum
657 nm
Optimal laser line
638
Optimal filter
670/30
Relative brightness
3 of 5
Quantum yield
0.127

PromoFluor 633P has an excitation maximum at 637 nm and an emission maximum at 657 nm, a Stokes shift of 20 nm. It is optimally excited by the 638 laser line.

Frequently asked questions

What is PromoFluor 633P?
PromoFluor 633P is a fluorophore with an excitation peak at 635 nm and an emission peak at 658 nm. It is equivalent to Alexa Fluor™ 633 and Cy5 in size, brightness and application. It can be used with the following analysis platforms: Flow Cytometry and Fluorescence Microscopy.
What laser excites PromoFluor 633P?
PromoFluor 633P is optimally excited by the 638 laser line. Its excitation maximum is 637 nm.
What filter should I use to detect PromoFluor 633P?
A 670/30 filter captures the peak of the PromoFluor 633P emission near 657 nm with minimal spillover.
How bright is PromoFluor 633P?
PromoFluor 633P has a relative brightness of 3 out of 5 (quantum yield 0.127).