6-(2-Ethoxyethyl)-9-(tetrahydro-2H-pyran-2-yl)-9H-purine CAS 920503-53-3
| CAS No. | 920503-53-3 |
| Molecular Formula | C14H20N4O2 |
| Molecular Weight | 276.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 6-(2-Ethoxyethyl)-9-(tetrahydro-2H-pyran-2-yl)-9H-purine.
6-(2-Ethoxyethyl)-9-(tetrahydro-2H-pyran-2-yl)-9H-purine (CAS 920503-53-3) is a high-purity analytical reference standard with the molecular formula C14H20N4O2 and a molecular weight of 276.33 g/mol.
Structurally, 6-(2-Ethoxyethyl)-9-(tetrahydro-2H-pyran-2-yl)-9H-purine (C14H20N4O2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 276.33 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C14H20N4O2 |
| Molecular Weight | 276.33 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°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 |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 4 |
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Recommended Standards
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- 5-Fluoro-1-((4-(piperazin-1-yl)phenyl)sulfonyl)-1H-indole (CAS 683203-76-1)
- 3-[5-(7-hydroxyhept-1-ynyl)-1-oxo-isoindolin-2-yl]piperidine-2,6-dione (CAS 2619512-20-6)
- Ethyl 4-piperidone-N-carboxylate (CAS 933674-35-2)
- 4-(5-Trifluoromethyl-pyridin-2-yl)-benzoic acid ethyl ester (CAS 1089330-74-4)
- 3-Chloro-6-((1-(methylsulfonyl)piperidin-4-yl)methyl)pyridazine (CAS 1316221-72-3)
- tert-Butyl 4-(4-(4-fluoro-3-(trifluoromethyl)phenyl)-1H-imidazol-2-yl)piperidine-1-carboxylate (CAS 1082950-48-8)
- Benzyl (2-(methylamino)ethyl)carbamate hydrochloride (CAS 277328-34-4)
- 4-Bromo-2,6-diisopropylbenzoic acid (CAS 1349718-11-1)
- Exenatide (CAS 141758-74-9（free base）)
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