4LSC3350 Spacer-CE Phosphoramidite C3

Catalog Number: 4LSC3350
CAS #: N/A
Name: Spacer Phosphoramidite C3; Spacer-CE Phosphoramidite C3; 3-(bis(4-methoxyphenyl)(phenyl)methoxy)propyl (2-cyanoethyl) diisopropylphosphoramidite

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5′- & 3′- Spacer Modifiers

Spacer modifiers are designed for internal and 5′-modifications. Spacer C-9 and spacer C-18 phosphoramidite are polyethyleneglycol-based that can be added sequentially when a longer arm is required. dSpacer allows the introduction of an abasic site into oligonucleotides. Spacer C-3 has an aliphatic linker.

  • Molecular Formula:  C33H43N2O5P

  • Molecular Weight: 578.7 g/mol
  • Specification:
    • HPLC – Identity is confirmed by comparison with a reference sample, Minimum purity
    • NMR – Purity is determined by 31P NMR and isomeric purity is veified by 1H NMR
    • Coupling Test – Coupling efficiency > 98%
    • Solution Test – 0.1M solution clear and free of particulate contamination
    • Loss on drying – volatile components are determined to be < 2%
    • Water content – determined to be < 0.4%
    • Certificate of Analysis are available for every batch, even for long past delivered products.
  • Packing size: 100µmoles, 250mg, Bulk
  • HS Code: 382200

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