Loading the Dye Directory…

SuperBright 645

SuperBright 645 (Ex-Max 414 nm/Em-Max 645 nm)

SuperBright 645 (SB645) is a fluorescent polymer with an excitation peak at 414 nm and an emission peak at 645 nm. SB645 is spectrally similar to StarBright Violet 670 and BV650. This dye is a member of the SuperBright dye family, sold by ThermoFisher Scientific under license from BD Bioscience.

Excitation & emission spectra

400450500550600650700750800

Key facts

Excitation maximum
414 nm
Emission maximum
645 nm
Optimal laser line
405
Optimal filter
660/20
Relative brightness
2 of 5
Commercial antibodies
134 from 1 supplier

SuperBright 645 has an excitation maximum at 414 nm and an emission maximum at 645 nm, a Stokes shift of 231 nm. It is optimally excited by the 405 laser line.

Frequently asked questions

What is SuperBright 645?
SuperBright 645 (SB645) is a fluorescent polymer with an excitation peak at 414 nm and an emission peak at 645 nm. SB645 is spectrally similar to StarBright Violet 670 and BV650. This dye is a member of the SuperBright dye family, sold by ThermoFisher Scientific under license from BD Bioscience.
What laser excites SuperBright 645?
SuperBright 645 is optimally excited by the 405 laser line. Its excitation maximum is 414 nm.
What filter should I use to detect SuperBright 645?
A 660/20 filter captures the peak of the SuperBright 645 emission near 645 nm with minimal spillover.
How bright is SuperBright 645?
SuperBright 645 has a relative brightness of 2 out of 5.
How many antibodies are available conjugated to SuperBright 645?
FluoroFinder tracks 134 commercially available SuperBright 645 conjugates, searchable by target, clone, host and application.