or
Cytiva Cy3B NHS Ester MonoReactive CyDye, Quantity: 25 mg, Red, Dye Type: Cy3, Emission Wavelength Range: 570nm, Excitation Wavelength Range: 559nm, Format: Solid, Formulation: 100% Cy3B (NHS ester), Molecular Weight: 771, Purity: >99%, Solubility: Solubl