Cy5.5 is a fluorescent CY dye, characterized by its long wavelength, adjustable absorption and emission properties, high extinction coefficient, good water solubility, and relatively straightforward synthesis. It is widely utilized for labeling various biomolecules such as proteins, antibodies, and small molecular compounds, with protein antibodies capable of combination through simple mixing reactions. The compound is suitable for in vivo imaging and histological imaging/staining applications.
- Fluorescent dye
- Near-infrared fluorescent dye
- Can be used to label peptides, proteins, and oligonucleotides
- Can be used to explore biodistribution
- Long wavelength
- Adjustable absorption and emission
- High extinction coefficient
- Good water solubility
- Relatively simple synthesis