8-Methyl-4,5-dihydro-1H-benzo[b]azepin-2(3H)-one CAS 86499-66-3
| CAS No. | 86499-66-3 |
| Molecular Formula | C11H13NO |
| Molecular Weight | 175.23 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
8-Methyl-4,5-dihydro-1H-benzo[b]azepin-2(3H)-one (CAS 86499-66-3), molecular formula C11H13NO and molecular weight 175.23 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H13NO, 8-Methyl-4,5-dihydro-1H-benzo[b]azepin-2(3H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 175.23 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 8-Methyl-4,5-dihydro-1H-benzo[b]azepin-2(3H)-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 | C11H13NO |
| Molecular Weight | 175.23 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1981 |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- 6-Amino-2-(difluoromethyl)-5-fluoronicotinonitrile (CAS 1805209-06-6)
- 5-Cyclopropyl-2-phenylpyridine (CAS 1245645-30-0)
- 4-Nitro-1-(trifluoromethoxy)-2-(trifluoromethyl)benzene (CAS 104678-88-8)
- 5-Phenyl-3-(5-phenyldecyl)-2-thioxoimidazolidin-4-one (CAS 875014-22-5)
- 5-Hydrazinyl-2-methoxypyridine hydrochloride (CAS 179543-88-5)
- 3-(Ethoxycarbonyl)-1-(2-methylphenyl)-4,5-dihydro-1h-pyrazole-5-carboxylic acid (CAS 1264041-11-3)
- N-(3-Amino-4-chlorophenyl)-4-(2-ethoxyethoxy)-benzamide (CAS 1020054-56-1)
- Semaglutide Impurity 140 (CAS CATO-C4X-2226140)
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