(7S,8S,9R,10R)-4-Amino-8,9-dihydroxy-7,8,9,10-tetrahydro-6H-7,10-epoxyazepino[1,2-e]purin-6-one CAS 869355-06-6
| CAS No. | 869355-06-6 |
| Molecular Formula | C10H9N5O4 |
| Molecular Weight | 263.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(7S,8S,9R,10R)-4-Amino-8,9-dihydroxy-7,8,9,10-tetrahydro-6H-7,10-epoxyazepino[1,2-e]purin-6-one (CAS 869355-06-6) is a high-purity analytical reference standard with the molecular formula C10H9N5O4 and a molecular weight of 263.21 g/mol.
Structurally, (7S,8S,9R,10R)-4-Amino-8,9-dihydroxy-7,8,9,10-tetrahydro-6H-7,10-epoxyazepino[1,2-e]purin-6-one (C10H9N5O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 263.21 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
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 | C10H9N5O4 |
| Molecular Weight | 263.21 g/mol |
| Appearance | Pale yellow to 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 5 |
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