ATTO 550 is an orange-red fluorescent dye used in microscopy, multicolor imaging, and other fluorescence workflows where a photostable Cy3- or TAMRA-like dye is desired.
| Excitation / Emission | 554 / 576 nm |
| Color | Orange-red |
| Laser Compatibility | 543 nm / 561 nm |
| Typical Use | Microscopy, cell labeling, multicolor work |
| Notes | Alternative to Cy3 or TAMRA-type dyes |
