Useful phosphoramidite tool for introducing a branch point at defined locations within an oligonucleotide.

Phosphoramidite used to incorporate an iodo-modified deoxyuridine internally or at the 5' end of an oligonucleotide.

Allows the introduction of a 5-aminoallyl-deoxyuridine residue into oligonucleotides for the purpose of post-synthetic labeling by acylation.

Nucleoside phosphoramidite useful in Click Chemistry reactions.

Phosphoramidite used to incorporate a di-hydroxy-modified deoxyuridine into an oligonucleotide.