Ara Nucleosides
Ara-rA
Quick view. Ara-rA (arabinosyladenine/vidarabine-related nucleoside) is an arabino purine analog for antiviral and nucleoside chemistry research. CAS 5536-17-4. Catalog target purity: ≥98%.
Product profile
Ara-rA is classified as nucleoside or protected nucleoside intermediate (Formula C10H13N5O4; molecular weight 267.24).
Ara-rA can serve as a starting material, protected intermediate or analytical comparator in nucleoside and nucleotide route development.
For Ara-rA, reported solubility: DMSO (Slightly, Heated). Storage: −20°C.
Names and search terms
Confirmed or normalized name variants
- 2'-ARAADENOSINE
- 6-AMINO-9-BETA-D-ARABINOFURANOSYLPURINE
- 9-BETA-D-ARABINOFURANOSYLADENINE
- 9-BETA-D-ARABINOSYLADENINE
- ADENINE-9-BETA-D-ARABINOFURANOSIDE
- ADENINE-BETA-D-ARABINOFURANOSIDE
- ARA-A
- ARABINOSYL-ADENINE
Useful catalog search terms
- CAS 5536-17-4
- Nucleoside or protected nucleoside intermediate
- Ara Nucleosides
Physicochemical data
| Melting point | 260-265 °C (dec.) |
|---|---|
| Boiling point | 410.43°C (rough estimate) |
| Density | 1.3382 (rough estimate) |
| pKa | pKa 3.55(H₂O t=20 I=0.1 (KCl)) (Uncertain);11.4 (Uncertain) |
| Form | Powder |
| Color | White to Off-white |
| SMILES | Nc1ncnc2n(cnc12)[C@@H]3O[C@H](CO)[C@@H](O)[C@@H]3O |
| InChI | 1S/C10H13N5O4/c11-8-5-9(13-2-12-8)15(3-14-5)10-7(18)6(17)4(1-16)19-10/h2-4,6-7,10,16-18H,1H2,(H2,11,12,13)/t4-,6-,7+,10-/m1/s |
| InChIKey | OIRDTQYFTABQOQ-UHTZMRCNSA-N |
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.
Additional application examples
- Typical work includes protection/deprotection studies, phosphorylation or phosphitylation route scouting and impurity identification.
- The material can support medicinal-chemistry analog preparation and process-development feasibility studies.
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Frequently asked questions
Can the package size for Ara-rA 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-NDO-0016 and CAS 5536-17-4, the intended research workflow, required quantity and any additional HPLC, MS or NMR documentation needed.
Product-family literature
The publications below provide peer-reviewed context for the Ara Nucleosides product family and its named chemistry.