6,6-dimethylazepane-2,4-dione CAS 21455-90-3
| CAS No. | 21455-90-3 |
| Molecular Formula | C8H13NO2 |
| Molecular Weight | 155.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
6,6-dimethylazepane-2,4-dione (CAS 21455-90-3), molecular formula C8H13NO2 and molecular weight 155.19 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H13NO2, 6,6-dimethylazepane-2,4-dione contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 155.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
CATO manufactures 6,6-dimethylazepane-2,4-dione under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C8H13NO2 |
| Molecular Weight | 155.19 g/mol |
| Appearance | White to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 1 |
Related dimethylazepane Standards
- 1,4-Dimethylazepane-4-carbonitrile (CAS 1782683-74-2)
- 2,2-dimethylazepane-4-carboxylic acid (CAS 2167168-05-8)
- 2,6-dimethylazepane (CAS 1314920-15-4)
- 3,5-dimethylazepane (CAS 1384428-41-4)
- 3,3-dimethylazepane (CAS 54152-50-0)
- 4,4-dimethylazepane (CAS 54152-51-1)
- 4,4-Dimethylazepane-1-sulfonyl chloride (CAS 1494928-34-5)
- 1-(4,4-Dimethylazepane-1-carbonyl)cyclopropane-1-carboxylic acid (CAS 1483426-77-2)
Recommended Standards
- 6-(Propan-2-yl)piperidine-2,4-dione (CAS 845267-76-7)
- 6-amino-1,3-dihydro-2-benzofuran-1-one (CAS 57319-65-0)
- 5-Methoxy-2-methyl-4-propyloxazole (CAS 607365-90-2)
- 6-Aminobicyclo[2.2.1]heptane-2-carboxylic acid (CAS 300848-46-8)
- 2-Bromo-3-hydroxypyridine 1-oxide hydrobromide (CAS 1188265-57-7)
- 2-(1-(Cyclopropylmethyl)-1h-1,2,3-triazol-4-yl)propan-2-amine (CAS 1465189-16-5)
- N-(3-Ethoxypropyl)-1-methyl-4-nitro-1H-pyrazol-3-amine (CAS 1429418-91-6)
- Tadalafil Impurity 118 (CAS CATO-C4X-1087118)
- Potassium (2,3-dimethylphenyl)trifluoroborate (CAS 1412414-17-5)
- 3-Methyltetrahydro-1H-pyrrolo[2,1-c][1,4]oxazine-1,4(3H)-dione (CAS 178757-90-9)
- 2-(tert-Butyl)-6-chloro-N-methoxy-N-methylbenzo[d]oxazole-7-sulfonamide (CAS 1206896-20-9)
- Methyl 2-chloro-4-(4-fluoro-3-methoxyphenyl)benzoate (CAS 1820641-60-8)
- Tryptophan EP Impurity I (CAS 5470-37-1)
- Peptide Impurity (CAS CATO-CPTD788810)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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