Chromeo 505
Chromeo 505 (Ex-Max 505 nm/Em-Max 526 nm)
Chromeo® 505 is a bright, green fluorescent label that is spectrally similar to Alexa Fluor™ 488, fluorescein and CF®488A. It has an excitation peak at 505 nm and an emission peak at 526 nm.
Excitation & emission spectra
Key facts
- Excitation maximum
- 505 nm
- Emission maximum
- 526 nm
- Optimal laser line
- 488
- Optimal filter
- 525/50
- Relative brightness
- 2 of 5
- Extinction coefficient
- 70000
Chromeo 505 has an excitation maximum at 505 nm and an emission maximum at 526 nm, a Stokes shift of 21 nm. Its extinction coefficient is 70000 M⁻¹cm⁻¹. It is optimally excited by the 488 laser line.
Frequently asked questions
- What is Chromeo 505?
- Chromeo® 505 is a bright, green fluorescent label that is spectrally similar to Alexa Fluor™ 488, fluorescein and CF®488A. It has an excitation peak at 505 nm and an emission peak at 526 nm.
- What laser excites Chromeo 505?
- Chromeo 505 is optimally excited by the 488 laser line. Its excitation maximum is 505 nm.
- What filter should I use to detect Chromeo 505?
- A 525/50 filter captures the peak of the Chromeo 505 emission near 526 nm with minimal spillover.
- How bright is Chromeo 505?
- Chromeo 505 has a relative brightness of 2 out of 5.