5-[(3aS,6aS)-octahydrocyclopenta[c]pyrrol-3a-yl]-3-phenyl-1,2,4-oxadiazole hydrochloride CAS 1820580-85-5
| CAS No. | 1820580-85-5 |
| Molecular Formula | C15H17N3O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-[(3aS,6aS)-octahydrocyclopenta[c]pyrrol-3a-yl]-3-phenyl-1,2,4-oxadiazole hydrochloride (CAS 1820580-85-5), molecular formula C15H17N3OHCl and molecular weight 291.78 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C15H17N3OHCl, 5-[(3aS,6aS)-octahydrocyclopenta[c]pyrrol-3a-yl]-3-phenyl-1,2,4-oxadiazole hydrochloride contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 291.78 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 | C15H17N3O HCl |
| Molecular Weight | 291.78 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
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- Isobutyl vinyl ether (CAS 109-53-5)
- Galanin-Like Peptide (human) trifluoroacetate salt (CAS 245114-99-2)
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