exo-BCN CE-phosphoramidite

Cat. # Quantity Price Lead time
4396-100mg 100 mg –   12 days
4396-250mg 250 mg $790 12 days
4396-1g 1 g $2340 12 days
4396-5g 5 g please inquire 12 days
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BCN-containing phosphoramidite is added at the 5’-terminus of an oligonucleotide. BCN is reactive both to azides (strain-promoted azyde-alkyne cycloaddition, SPAAC) and tetrazines (inverse electron demand Diels-Alder reaction, IEDDA) .

Coupling time is standard, like for amidites of natural nucleosides. Exclude the dimethoxytrityl (DMT) removal step and use the Dmt-ON protocol after amidite coupling and oxidation.

Use standard conditions for deprotection and ammonia solution, or AMA mixture (ammonium hydroxide / 40% methylamine, 1:1) for 2 hours at room temperature.

General properties

Appearance: yellowish oil
Mass spec M+ increment: 343.11
Molecular weight: 481.57
Molecular formula: C24H40N3O5P
Solubility: good in acetonitrile
Quality control: NMR 1H, NMR 31P (95 %)
Storage conditions: 12 months after receival at -20°C in the dark. Transportation: at room temperature for up to 3 weeks. Desiccate.
MSDS: Download
Product specifications
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