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Oligonucleotide Synthesis, RNA Raw Materials & Modification

2'-O-MOE-Uridine CE Phosphoramidite

Oligonucleotide Synthesis, RNA Raw Materials & Modification

N.º de productoCH65038N.º CAS163759-97-5Pureza>=98%
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Resumen del producto

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Familia de productos
Oligonucleotide Synthesis, RNA Raw Materials & Modification
FM
C42H53N4O10P
PM
804.9
Pureza
>=98%

2'-O-MOE-Uridine CE Phosphoramidite is the 2'-O-methoxyethyl uridine building block for modified-RNA synthesis: 5'-O-(4,4'-dimethoxytrityl)-2'-O-(2-methoxyethyl)-uridine bearing a 3'-O-(2-cyanoethyl N,N-diisopropyl)phosphoramidite group. CH65038 is identified by CAS 163759-97-5, molecular formula C42H53N4O10P, molecular weight 804.9, PubChem CID 129896826, and InChIKey ZLOKLUONKGURQI-UAQIPLLRSA-N.

Nucleoside phosphoramidites are the coupling monomers used in automated solid-phase oligonucleotide synthesis: the 3'-phosphoramidite couples to the growing chain and the acid-labile 5'-DMT is removed each cycle. Because uracil has no exocyclic amine, no base protecting group is required. In the cited structure and stability literature, 2'-O-MOE ribonucleosides/residues are discussed in RNA-affinity and nuclease-resistance studies and as flanking residues in gapmer antisense oligonucleotides.

Sinónimos

DMT-2'-O-MOE-rU phosphoramidite; 5'-O-DMT-2'-O-MOE-uridine 3'-CE phosphoramidite

Identidad y especificaciones

Catalog No.CH65038
CAS No.163759-97-5
Molecular FormulaC42H53N4O10P
Molecular Weight804.9
PubChem CID129896826
InChIKeyZLOKLUONKGURQI-UAQIPLLRSA-N
Purity>=98%

Condiciones de almacenamiento

-20 C

Atributos técnicos

Monomer class
2'-O-MOE RNA CE phosphoramidite
Nucleobase
Uracil
Sugar modification
2'-O-(2-Methoxyethyl) (MOE)
Base protection
Unprotected
Grade
N (Normal)
Packaging
250 mg; 500 mg; 1 g; Custom packaging on request
Water content
<=0.5%
Physical form
white to off-white powder
Stability
>=4 years

Contexto de aplicación

  • 2'-MOE RNA coupling monomer: the 3'-O-(2-cyanoethyl N,N-diisopropyl)phosphoramidite is the reactive group that couples to the growing oligonucleotide chain in automated solid-phase synthesis.
  • 2'-MOE sugar modification: cited structure and stability literature discusses 2'-O-MOE residues in RNA-affinity and nuclease-resistance studies and as gapmer flank residues.
  • No base protection needed: uracil has no exocyclic amine, so this monomer requires no base protecting group (only the acid-labile 5'-DMT, removed each cycle).

Recursos técnicos relacionados

Fuentes públicas

Preguntas frecuentes

Why does the 2'-MOE-uridine phosphoramidite have no base protecting group?

Uracil has no reactive exocyclic amine, so it needs no base protection. The monomer carries the acid-labile 5'-O-DMT group, removed each cycle, and the 3'-phosphoramidite coupling group.

How does it relate to 5'-O-DMT-2'-O-MOE-uridine?

It is the phosphoramidite of that nucleoside: the 3'-hydroxyl has been converted to a 2-cyanoethyl N,N-diisopropyl phosphoramidite. The precursor is cataloged separately.

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