This product is similar to biotin-11-dUTP (40029) and biotin-16-dUTP (40022) except that it has a longer and water-soluble spacer group, which should facilitate interaction between the biotin group and avidin or streptavidin.
1 mM solution in pH 7.5 Tris-HCl buffer
Store at -20°C
Biotin-20-dUTP is also available as a lyophilized solid (catalog no. 40030-1).