2'-O-Me Phosphoramidites
DMTr-2'-O-Me-rI-3'-CE-Phosphoramidite
Quick view. A 5'-O-DMTr-protected 2'-O-methyl inosine CE phosphoramidite for oligonucleotide synthesis research. CAS 128219-85-2. Catalog target purity: ≥98%. Availability: Inquiry only — contact BX Lab to confirm current availability.

Product profile
DMTr-2'-O-Me-rI-3'-CE-Phosphoramidite is classified as 2'-o-me phosphoramidites (Formula C41H49N6O8P; molecular weight 784.84).
DMTr-2'-O-Me-rI-3'-CE-Phosphoramidite — Protected 2'-O-methyl inosine phosphoramidite building block for oligonucleotide synthesis research.
For DMTr-2'-O-Me-rI-3'-CE-Phosphoramidite, excessive or poorly positioned substitution can reduce desired enzyme interactions or activity in some assay formats.
Names and search terms
Confirmed or normalized name variants
- 5'-O-DMTr-2'-O-methylinosine-3'-CE phosphoramidite
- 2'-OMe-I Phosphoramidite
- 2'-O-Methyl-5'-O-DMT-inosine-3'-CE phosphoramidite
Useful catalog search terms
- CAS 128219-85-2
- PVFNTYBGWVZMCX-HLHZJIEZSA-N
Physicochemical data
| InChIKey | PVFNTYBGWVZMCX-HLHZJIEZSA-N |
|---|---|
| Nucleobase identity | Inosine |
| Ribose modification | 2'-O-methyl |
| 5' protection | 5'-O-DMTr |
| Coupling group | 3'-CE phosphoramidite |
| Phosphorus stereochemistry | Unspecified |
Release documentation
The current specification defines the analytical method and acceptance criteria; the released lot result is reported on the CoA.
Additional HPLC, MS or NMR documentation can be agreed during technical review where available.
Product-specific evaluation notes
Potential advantages
- 2′-O-methyl groups are widely used to increase nuclease resistance and modulate hybridization behavior.
Method limitations
- Excessive or poorly positioned substitution can reduce desired enzyme interactions or activity in some assay formats.
These points describe DMTr-2'-O-Me-rI-3'-CE-Phosphoramidite or its named chemical feature. Broader product-family guidance is maintained on the category page.
Related products
4'-O-[(Dimethoxyphosphoryl)methyl]-2'-O-methyluridine-3'-CE-Phosphoramidite
2'-O-Me Phosphoramidites · CAS: 2197181-94-3
BX-2OMP-00164'-O-[(Hydroxy(methoxy)phosphoryl)methyl]-2'-O-methyluridine-3'-(2-cyanoethyl N,N-diisopropylphosphoramidite)
2'-O-Me Phosphoramidites · CAS: N/A
BX-2OMP-00175'-Deoxy-5'-[(dimethoxyphosphoryl)methyl]-2'-O-methyluridine-3'-(2-cyanoethyl N,N-diisopropylphosphoramidite)
2'-O-Me Phosphoramidites · CAS: N/A
BX-2OMP-0019Bis(POM)-(E)-5'-vinylphosphonate-2'-O-Me-rA(Bz)-3'-CE-Phosphoramidite
2'-O-Me Phosphoramidites · CAS: 2419895-65-9
BX-2OMP-0020Bis(POM)-(E)-5'-vinylphosphonate-2'-O-Me-rC(Bz)-3'-CE-Phosphoramidite
2'-O-Me Phosphoramidites · CAS: N/A
BX-2OMP-0021Bis(POM)-(E)-5'-vinylphosphonate-2'-O-Me-rG(iBu)-3'-CE-Phosphoramidite
2'-O-Me Phosphoramidites · CAS: N/A
Frequently asked questions
Can the package size for DMTr-2'-O-Me-rI-3'-CE-Phosphoramidite be customized?
Yes. Share the initial quantity, expected future scale, delivery timeline and packaging preference for review.
What information should be included in a quote request?
Quote catalog number BX-2OMP-0039 and CAS 128219-85-2, the intended research workflow, required quantity and any additional HPLC, MS or NMR documentation needed.
Product-family literature
These publications provide peer-reviewed context for the 2'-O-Me Phosphoramidites product family and its named chemistry. They are background reading only, not evidence for the exact product, supplied form, lot specification, availability or performance.
Technology platforms
Catalog-derived platform membership for navigating related chemistry and verifiable product sets.
