Alexa Fluor 647 Labeled Peptides

Services & Products




Get published in Nature

LifeTein Referral Rewards Program

Alexa Fluor 647 Peptide Labeling

Alexa Fluor 647 is a far-red fluorescent dye widely used for peptide conjugation, imaging, and flow cytometry. Its strong far-red signal and high photostability make it useful for sensitive detection and multicolor fluorescence assays.

Key Properties

Excitation / Emission650 / 668 nm
ColorFar-red
Laser Compatibility633 nm / 640 nm
Typical UseMicroscopy, flow cytometry, multicolor staining
NotesCommon far-red choice for high-sensitivity imaging
Request Alexa Fluor 647 Peptide Ask About Alexa Fluor 647

Alexa Fluor 647 Spectrum

Alexa Fluor 647 excitation emission spectrum

Why Use Alexa Fluor 647?

  • Strong far-red fluorescence for low-background imaging
  • Useful for multicolor fluorescence panel design
  • Compatible with 633 nm and 640 nm laser systems
  • Widely used in imaging and flow cytometry workflows
Tip: Alexa Fluor 647 is often selected when a bright, far-red peptide label is needed for microscopy or flow experiments.

Related Dyes