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Alexa Fluor 430

Alexa Fluor™ 430 (Ex-Max 434 nm/Em-Max 539 nm)

Alexa Fluor™ 430 (AF430, Alexa 430) has an excitation peak at 433 nm and an emission peak at 541 nm.

Excitation & emission spectra

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Key facts

Excitation maximum
433 nm
Emission maximum
541 nm
Optimal laser line
405
Optimal filter
530/43
Relative brightness
2 of 5
Extinction coefficient
16000
Commercial antibodies
2 from 2 suppliers

Alexa Fluor 430 has an excitation maximum at 433 nm and an emission maximum at 541 nm, a Stokes shift of 108 nm. Its extinction coefficient is 16000 M⁻¹cm⁻¹. It is optimally excited by the 405 laser line.

Frequently asked questions

What is Alexa Fluor 430?
Alexa Fluor™ 430 (AF430, Alexa 430) has an excitation peak at 433 nm and an emission peak at 541 nm.
What laser excites Alexa Fluor 430?
Alexa Fluor 430 is optimally excited by the 405 laser line. Its excitation maximum is 433 nm.
What filter should I use to detect Alexa Fluor 430?
A 530/43 filter captures the peak of the Alexa Fluor 430 emission near 541 nm with minimal spillover.
How bright is Alexa Fluor 430?
Alexa Fluor 430 has a relative brightness of 2 out of 5.
How many antibodies are available conjugated to Alexa Fluor 430?
FluoroFinder tracks 2 commercially available Alexa Fluor 430 conjugates, searchable by target, clone, host and application.