(2R,3S,4R,5R)-2-(hydroxymethyl)-5-(triazolo[4,5-d]pyrimidin-3-yl)tetrahydrofuran-3,4-diol CAS 38874-46-3
| CAS No. | 38874-46-3 |
| Molecular Formula | C9H19N5O4 |
| Molecular Weight | 261.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(2R,3S,4R,5R)-2-(hydroxymethyl)-5-(triazolo[4,5-d]pyrimidin-3-yl)tetrahydrofuran-3,4-diol (CAS 38874-46-3) is a high-purity analytical reference standard with the molecular formula C9H19N5O4 and a molecular weight of 261.28 g/mol.
Structurally, (2R,3S,4R,5R)-2-(hydroxymethyl)-5-(triazolo[4,5-d]pyrimidin-3-yl)tetrahydrofuran-3,4-diol (C9H19N5O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 261.28 g/mol, it falls into the medium-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H19N5O4 |
| Molecular Weight | 261.28 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 5 |
Recommended Standards
- (1-(4-Methyl-6,7-dihydro-5H-cyclopenta[d]pyrimidin-2-yl)-1H-1,2,3-triazole-4,5-diyl)dimethanol (CAS 860785-19-9)
- (3-Formyl-1H-indazol-6-yl)-carbamic acid tert-butyl ester (CAS 944904-72-7)
- Ethyl 3-amino-1-(3-methoxyphenyl)-1H-pyrazole-4-carboxylate (CAS 1956369-24-6)
- (3Z)-3-[(Dimethylamino)methylidene]-1-(4-nitrophenyl)pyrrolidin-2-one (CAS 343375-74-6)
- 4-sulfanylidene-1H,4H,7H-pyrazolo[3,4-d]pyrimidine-6-sulfonic acid (CAS 753436-77-0)
- (R)-3-Amino-3-(2,4-difluorophenyl)propanoic acid (CAS 1228571-85-4)
- 4,4-Difluoro-2-methylpiperidine (CAS 1234616-37-5)
- 2-(3-Ethoxy-5-nitrophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 1350558-36-9)
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- (S)-5-Benzyl-2,2,3-trimethylimidazolidin-4-one 2,2,2-trifluoroacetate (CAS 309918-53-4)
- Rosuvastatin Impurity 114 (CAS CATO-C4X-1169114)
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