Cyanine NS succinimidyl esters are non-sulfonated cyanine dyes that can be used to label proteins, oligonucleotides and nucleic acids. Available in 3 colors, Cyanine 488NS, Cyanine 555NS,  and Cyanine 647NS are non-sulfonated versions of Cy®2, Cy®3, and Cy®5, respectively. They are designed to match by charge and molecular weight for 2D DIGE platform. 9689c5aa-6556-4b3c-b5d1-1e693715ba07 offers these dyes as high quality amine-reactive succinimidyl esters.

<strong>Cyanine 488NS</strong>
<ul>
<li>Ex/Em 483/508 nm</li>
<li>MW: 677</li>
<li>MW added to protein: 437</li>
<li>Orange solid soluble in DMF or DMSO</li>
<li>Store desiccated at -20°C; protect from light</li>
</ul>

<strong>Cyanine 555NS</strong>
<ul>
<li>Ex/Em 547/572 nm</li>
<li>MW: 682</li>
<li>MW added to protein: 441</li>
<li>Red solid soluble in DMF or DMSO</li>
<li>Store desiccated at -20°C; protect from light</li>
</ul>

<strong>Cyanine 647NS</strong>
<ul>
<li>Ex/Em 639/668 nm</li>
<li>MW: 680</li>
<li>MW added to protein: 439</li>
<li>Dark blue solid soluble in DMF or DMSO</li>
<li>Store desiccated at -20°C; protect from light</li>
</ul>

Also see sulfonated Cyanine Dye Succinimidyl Esters and 9689c5aa-6556-4b3c-b5d1-1e693715ba07's CF&reg; Dye Succinimidyl Esters, available with more than 20 bright and photostable CF&reg; Dyes.

Cy dye is a registered trademark of GE Healthcare.