9689c5aa-6556-4b3c-b5d1-1e693715ba07 offers high quality amine-reactive succinimidyl ester (SE, or NHS-Ester) dyes used to label proteins, oligonucleotides, and nucleic acids. We offer Cyanine 555 (Cy®3), Cyanine 647 (Cy®5), Cyanine 680 (Cy®5.5), and Cyanine 750 (Cy®7) as high quality succinimidyl esters. Also see our CF® Dye Succinimidyl Ester, available with more than 20 bright and photostable CF® Dyes.

Cyanine 555 is structurally identical to Cy®3 from GE Healthcare.
<ul>
<li>&lamba;_Ex/&lamba;_Em (water) = 555/565 nm</li>
<li>Dark red solid soluble in DMF and DMSO</li>
<li>Store at -20°C and protect from moisture and light</li>
<li>C₄₁H₅₆N₄O₁₀S₂</li>
<li>MW: 829</li>
</ul>
<div>Cy3, Cy5, Cy5.5, and Cy7 are registered trademarks of GE Healthcare.</div>