4LSC3250 Cyanine 5 Phosphoramidite CAS# 351186-76-0

Catalog Number: 4LSC3250
CAS #: 351186-76-0
Name: Cyanine 5 phosphoramidite; Cy5 phosphoramidite; 1-[3-(4-monomethoxytrityloxy)propyl]-1′-[3-[(2-cyanoethyl)-(N,N-diisopropyl phosphoramidityl]propyl]-3,3,3′,3′-tetramethylindodicarbocyanine chloride

Cyanine Phosphoramidites

Cy3 and Cy5 available as phosphoramidites have been widely used in many detection and analysis methods. With a fluorescence in the yellow orange and red region of the visible spectrum, cyanines are probably the most important dyes for labeling of fluorescent probes.

Not available in all countries.

  • Molecular Formula:  C60H72ClN4O4P

  • Molecular Weight: 979.68 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.