N¹-[4-(4,4'-Dimethoxytrityloxy)butyl]-N¹,N4,N9,N¹²-tetrakis(trifluoroacetyl)-spermine-N¹²-butyl-4-[(2-cyanoethyl)-(N,N-diisopropyl)]-phosphoramidite


N¹-[4-(4,4'-Dimethoxytrityloxy)butyl]-N¹,N4,N9,N¹²-tetrakis(trifluoroacetyl)-spermine-N¹²-butyl-4-[(2-cyanoethyl)-(N,N-diisopropyl)]-phosphoramidite

Spermine Phosphoramidite

Catalog:CDGLR09

Unit Size:50 µmol, 100 µmol, 0.25 g

INQUIRY Datasheet

Specifications
Common Use Spermine phosphoramidite is used to produce oligospermine-oligonucleotide conjugates - Zip Nucleic Acids Oligos. The conjugates are believed to use the oligospermine to seek out and move along (scan) oligonucleotide strands until the probe complementary sequence is located. The oligospermine then performs the function of stabilizing the formed duplex by reducing electrostatic repulsion, thereby leading to significantly increased binding affinities. Spermine phosphoramidite is simple to use in oligonucleotide synthesis and can be added multiple times at the 3' or 5' terminus. Deprotection and isolation are also straightforward. HPLC analysis of the conjugates requires high pH to suppress the ionization of the spermine residues.
Structure N¹-[4-(4,4'-Dimethoxytrityloxy)butyl]-N¹,N4,N9,N¹²-tetrakis(trifluoroacetyl)-spermine-N¹²-butyl-4-[(2-cyanoethyl)-(N,N-diisopropyl)]-phosphoramidite
Molecular Weight 1233.17
Molecular Formula C56H73F12N6O9P
Storage Freezer storage, -10 to -30°C, dry
Stability 1-2 days
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