2-Vinyl-Adenosine (2-VA) is a modified adenosine analog featuring a vinyl functional group that enables click chemistry conjugation and bioorthogonal labeling. This compound is ideal for RNA modification, nucleoside incorporation, and covalent capture of biomolecules using thiolene or azide–alkyne click reactions.

With >98% purity, 2-VA provides a reliable tool for chemical biology, nucleic acid chemistry, and molecular probe design. Supplied as 50 mg solid, it is ready for use in bioconjugation assays, enzyme labeling, and RNA capture studies.