| CAS No. | 199192-10-4 |
| Molecular Formula | C9H11NO |
| Molecular Weight | 149.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
1-(2,3-Dihydro-1H-pyrrolizin-7-yl)ethanone (CAS 199192-10-4), molecular formula C9H11NO and molecular weight 149.19 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-(2,3-Dihydro-1H-pyrrolizin-7-yl)ethanone (C9H11NO) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 149.19 g/mol, it falls into the low-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).
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.
As a certified reference material (CRM), 1-(2,3-Dihydro-1H-pyrrolizin-7-yl)ethanone meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
| Molecular Formula | C9H11NO |
| Molecular Weight | 149.19 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2013 |
| Nitrogen Atoms | 1 |