1-(2-oxoazepane-1-carbonyl)azepan-2-one CAS 19494-73-6
| CAS No. | 19494-73-6 |
| Molecular Formula | C13H20N2O3 |
| Molecular Weight | 252.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 1-(2-oxoazepane-1-carbonyl)azepan-2-one (C13H20N2O3) 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 252.31 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
1-(2-oxoazepane-1-carbonyl)azepan-2-one (CAS 19494-73-6) is a high-purity analytical reference standard with the molecular formula C13H20N2O3 and a molecular weight of 252.31 g/mol.
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-oxoazepane-1-carbonyl)azepan-2-one 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.
Physical & Chemical Properties
| Molecular Formula | C13H20N2O3 |
| Molecular Weight | 252.31 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 2 |
Related oxoazepane Standards
- Benzyl 3-oxoazepane-1-carboxylate (CAS 1025828-21-0)
- Benzyl 7-oxoazepane-2-carboxylate (CAS 1803571-51-8)
- Benzyl 4-oxoazepane-1-carboxylate (CAS 83621-33-4)
- Phenyl 4-oxoazepane-1-carboxylate (CAS 1798716-06-9)
- 1-Benzyl-3-oxoazepane (CAS 146407-32-1)
- Ethyl 5-oxoazepane-4-carboxylate (CAS 19673-15-5)
- Ethyl 4-oxoazepane-1-carboxylate (CAS 56515-89-0)
- ethyl 7-oxoazepane-2-carboxylate (CAS 38167-88-3)
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