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Sulfo-Cy3(Me)COOH sodium and Trisulfo-Cy3-acid disodium are sulfonated derivatives of the Cyanine3 (Cy3) dye; the introduction of sulfonate ions enhances their water solubility.

Sulfo-Cy3(Me)COOH TEA is a derivative of sulfo-Cyanine3. Cyanine3 serves as an orange fluorescent labeling dye for proteins and nucleic acids, with an excitation wavelength (Ex) of 554 nm and an emission wavelength (Em) of 568 nm.

Sulfo-Cy3(Me)COOH, a sulfo-Cyanine3 derivative, serves as an orange-fluorescent dye for labeling proteins and nucleic acids (Ex=554 nm, Em=568 nm) [1].

Sulfo-Cyanine 3 free acid potassium is a sulfonated derivative of Cyanine3. Cyanine3 serves as an orange fluorescent labeling dye for proteins and nucleic acids, with an excitation wavelength (Ex) of 554 nm and an emission wavelength (Em) of 568 nm.