Sulfo-Cyanine 3 NHS ester (A270279)

Sulfo-Cyanine 3 NHS ester

Water soluble, amino-reactive sulfo-Cyanine 3 NHS ester. Efficiently labels proteins and peptides in purely aqueous solution, without need for organic co-solvent. Ideal for proteins with low solubility, and proteins prone to denaturation. This is a sulfonated, hydrophilic and water-soluble dye. Non-sulfonated Cyanine 3 NHS ester is also available. This product is an analog of Cy3® NHS ester. Sulfo-Cyanine 3 NHS ester can replace Cy3® and DyLight 549 for all applications.

548 nm

162000 M^-1cm^-1

563 nm

0.1

1424150-38-8, 1424433-17-9, 1518643-34-9

0.06

95% (by ¹H NMR and HPLC-MS).

C₃₄H₃₈N₃KO₁₀S₂

751.91 kDa

Dark red crystals.

Soluble in water (0.62 M = 47 g/L) and in polar organic solvents (DMF, DMSO).

Shipped at room temperature. Upon delivery, store in the dark at -20°C. Avoid prolonged exposure to light. Desiccate.

This product is for research use only. It is not intended for diagnostic or therapeutic use.