Reverse Phosphoramidites
Reverse Abasic Phosphoramidite
Quick view. A reverse-orientation dSpacer phosphoramidite with 3'-O-DMTr and a 5'-CE phosphoramidite group for introducing an inverted non-nucleobasic spacer in research-use oligonucleotides. CAS 401813-16-9. Catalog target purity: ≥98%. Availability: Inquiry only — contact BX Lab to confirm current availability.

Product profile
Reverse Abasic Phosphoramidite is classified as reverse phosphoramidites (Formula C35H45N2O6P; molecular weight 620.70).
Reverse Abasic Phosphoramidite — Introduction of an inverted non-nucleobasic dSpacer residue during standard 3'-to-5' research-use oligonucleotide synthesis.
For Reverse Abasic Phosphoramidite, confirm the current specification, storage conditions and downstream-method compatibility before routine use.
Names and search terms
Confirmed or normalized name variants
- Reverse abasic amidite
- dSpacer-5'-CE Phosphoramidite
- dSpacer Reverse CE Phosphoramidite
Useful catalog search terms
- 401813-16-9
- PubChem CID 10189291
- PA055
Physicochemical data
| PubChem CID | 10189291 |
|---|---|
| InChIKey | WPNQXLQBMSUHFX-JUWSMZLESA-N |
| Sugar motif | 1',2'-dideoxyribose |
| 3'-O group | DMTr |
| 5'-O group | 2-cyanoethyl N,N-diisopropyl phosphoramidite |
| Orientation | Reverse 3'-O-DMTr / 5'-CE phosphoramidite |
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.
Related products
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BX-RP-00023'-O-DMTr-2'-O-MOE-5-Me-rC(Bz)-5'-CE-Phosphoramidite
Reverse Phosphoramidites · CAS: N/A
BX-RP-00033'-O-DMTr-2'-O-MOE-rA(Bz)-5'-CE-Phosphoramidite
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BX-RP-00043'-O-DMTr-2'-O-MOE-rG(iBu)-5'-CE-Phosphoramidite
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BX-RP-00063'-O-DMTr-2'-O-Me-rU-5'-CE-Phosphoramidite
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BX-RP-00073'-O-DMTr-2'-dG(dmf)-5'-CE-Phosphoramidite
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Frequently asked questions
Can the package size for Reverse Abasic 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-RP-0010 and CAS 401813-16-9, 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 Reverse 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.
