eFluor 660 excitation shown as dotted line and emission shown as solid red histogram
4633660/20651668(in buffer) 1flow cytometry

Invitrogen eFluor 660 dye is a red-fluorescent dye configured as an alternative to Alexa Fluor 647 or APC. The spectral properties make it an ideal fluorophore that can be used in any flow cytometry panel incorporating the red laser.

We offer eFluor 660 dye conjugated to primary antibodies for use in flow cytometry.

Search eFluor 660 primary antibodies

  • Direct alternative for APC and Alexa Fluor 647 fluorochromes
  • Stable performance when treated with formaldehyde fixation
Flow histogram comparing eFluor 660 dye before and after aldehyde fixation
Stability of eFluor 660 dye. Mouse splenocytes were stained with CD4 Monoclonal Antibody (GK1.5), eFluor 660 and analyzed immediately (red line). The sample was then fixed in 2% formaldehyde overnight at 4°C and analyzed again (blue line).