(2R,3R,4S,5R)-2-(6-Amino-2-(4-fluorophenethoxy)-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol CAS 131865-85-5
| CAS No. | 131865-85-5 |
| Molecular Formula | C18H20FN5O5 |
| Molecular Weight | 405.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, (2R,3R,4S,5R)-2-(6-Amino-2-(4-fluorophenethoxy)-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (C18H20FN5O5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 405.38 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies (2R,3R,4S,5R)-2-(6-Amino-2-(4-fluorophenethoxy)-9H-purin-9-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol (CAS 131865-85-5), a certified reference material (molecular formula C18H20FN5O5, MW 405.38 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C18H20FN5O5 |
| Molecular Weight | 405.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 5 |
Recommended Standards
- Lansoprazole-d4 Sulfone N-Oxide (CAS 1190009-70-1)
- 2-(4-(3-Fluorobenzyl)-3-oxo-3,4-dihydro-2H-benzo[b][1,4]oxazine-6-carbonyl)benzoic acid (CAS 439107-43-4)
- Regadenoson Impurity 6 (CAS 313348-16-2)
- 2,2-Dimethoxyethyl[(dimethoxyphosphinyl)(3-methoxyphenyl)methyl]carbamic Acid Ethyl Ester (CAS 344578-06-9)
- 3-Chlorobenzylisocyanide (CAS 106106-81-4)
- 5-cyclobutyl-3-[4-(trifluoromethoxy)phenyl]-1,2,4-oxadiazole (CAS 680216-02-8)
- Ethyl ((3-nitrophenyl)sulfonyl)carbamate (CAS 22819-24-5)
- Diethyl 2-(bicyclo[1.1.1]Pentan-1-yl)malonate (CAS 131515-32-7)
- 2-((1-(2,4-Dimethylphenyl)ethyl)amino)propan-1-ol (CAS 1153890-36-8)
- (5R,9R,E)-5-((5-Chloro-2-hydroxy-3-methoxybenzylidene)amino)-11-ethylidene-7-methyl-5,6,9,10-tetrahydro-5,9-methanocycloocta[b]pyridin-2(1H)-one (CAS 180694-97-7)
- 2-(1,1-difluoroethyl)morpholine (CAS 1784677-56-0)
- (2R,2'R)-3,3'-(ethane-1,2-diylbis(sulfanediyl))bis(2-aminopropanoic acid) (CAS 14344-49-1)
- 5-Chloro-6-methyl-1H-pyrrolo[2,3-b]pyridine-3-carboxylic acid (CAS 1000340-12-4)
- Autoinducing Peptide I trifluoroacetate salt (CAS 200010-29-3)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com