This product is similar to biotin-11-dUTP and biotin-16-dUTP except that it has a longer and water-soluble spacer group, which should facilitate interaction between the biotin group and avidin or streptavidin.
<ul>
<li>1 mM solution in pH 7.5 Tris-HCl buffer</li>
<li>Store at -20°C</li>
<li>C₃₃H₅₁N₆O₂₁P₃SLi₄</li>
<li>MW: 1020.54</li>
</ul>
Biotin-20-dUTP is also available as a lyophilized solid.