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Oyster 650

Oyster 650 (Ex-Max 651 nm/Em-Max 671 nm)

Oyster® 650 is a fluorophore with an excitation peak at 651 nm and an emission peak at 671 nm. Oyster 650 is similar to Alexa Fluor™ 647 and Cy5 in size, brightness and application.

Excitation & emission spectra

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Key facts

Excitation maximum
651 nm
Emission maximum
671 nm
Optimal laser line
628-640
Optimal filter
670/30
Relative brightness
4 of 5
Extinction coefficient
240000
Molecular weight
750
Commercial antibodies
21 from 1 supplier

Oyster 650 has an excitation maximum at 651 nm and an emission maximum at 671 nm, a Stokes shift of 20 nm. Its extinction coefficient is 240000 M⁻¹cm⁻¹. It is optimally excited by the 628-640 laser line.

Frequently asked questions

What is Oyster 650?
Oyster® 650 is a fluorophore with an excitation peak at 651 nm and an emission peak at 671 nm. Oyster 650 is similar to Alexa Fluor™ 647 and Cy5 in size, brightness and application.
What laser excites Oyster 650?
Oyster 650 is optimally excited by the 628-640 laser line. Its excitation maximum is 651 nm.
What filter should I use to detect Oyster 650?
A 670/30 filter captures the peak of the Oyster 650 emission near 671 nm with minimal spillover.
How bright is Oyster 650?
Oyster 650 has a relative brightness of 4 out of 5.
How many antibodies are available conjugated to Oyster 650?
FluoroFinder tracks 21 commercially available Oyster 650 conjugates, searchable by target, clone, host and application.