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Synapto Red

Synapto Red (Ex-Max 505 nm/Em-Max 725 nm)

Synapto Red C2 (FM4-64) from Biotium is a lipophilic dye that intercalates into the cellular membrane and is often used to monitor endocytictic vesicles and membrane recyling. It has an excitation peak at 505 nm and an emission peak at 750 nm.

Excitation & emission spectra

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Key facts

Excitation maximum
505 nm
Emission maximum
750 nm
Optimal laser line
488
Optimal filter
710/50
Molecular weight
612
Commercial antibodies
1 from 1 supplier

Synapto Red has an excitation maximum at 505 nm and an emission maximum at 750 nm, a Stokes shift of 245 nm. It is optimally excited by the 488 laser line.

Frequently asked questions

What is Synapto Red?
Synapto Red C2 (FM4-64) from Biotium is a lipophilic dye that intercalates into the cellular membrane and is often used to monitor endocytictic vesicles and membrane recyling. It has an excitation peak at 505 nm and an emission peak at 750 nm.
What laser excites Synapto Red?
Synapto Red is optimally excited by the 488 laser line. Its excitation maximum is 505 nm.
What filter should I use to detect Synapto Red?
A 710/50 filter captures the peak of the Synapto Red emission near 750 nm with minimal spillover.
How many antibodies are available conjugated to Synapto Red?
FluoroFinder tracks 1 commercially available Synapto Red conjugates, searchable by target, clone, host and application.