tert-Butyl 7-(6-aminopyridin-3-yl)-2,3-dihydrobenzo[f][1,4]oxazepine-4(5H)-carboxylate CAS 1251162-64-7
| CAS No. | 1251162-64-7 |
| Molecular Formula | C19H23N3O3 |
| Molecular Weight | 341.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, tert-Butyl 7-(6-aminopyridin-3-yl)-2,3-dihydrobenzo[f][1,4]oxazepine-4(5H)-carboxylate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 341.40 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).
tert-Butyl 7-(6-aminopyridin-3-yl)-2,3-dihydrobenzo[f][1,4]oxazepine-4(5H)-carboxylate (CAS 1251162-64-7), molecular formula C19H23N3O3 and molecular weight 341.40 g/mol, is a CATO reference standard with documented purity and traceability.
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), tert-Butyl 7-(6-aminopyridin-3-yl)-2,3-dihydrobenzo[f][1,4]oxazepine-4(5H)-carboxylate 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 | C19H23N3O3 |
| Molecular Weight | 341.40 g/mol |
| Appearance | Pale yellow to 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 3 |
Recommended Standards
- (6S,7aS)-5-tert-Butyl 6-ethyl 2,2-dimethyltetrahydro-4,7-methano[1,3]dioxolo[4,5-c]pyridine-5,6(6H)-dicarboxylate (CAS 1250883-57-8)
- Diethyl 2-(1-(tert-butoxycarbonyl)piperidin-4-ylidene)malonate (CAS 1251760-53-8)
- (R)-3-([1,1'-Biphenyl]-2-yl)-3-((tert-butoxycarbonyl)amino)propanoic acid (CAS 1228570-41-9)
- 4-(2-((4-Methoxybenzyl)(methyl)amino)propanamido)benzamide (CAS 1252052-74-6)
- 1-(2-Methyloxazolidin-2-yl)ethanone (CAS 130028-27-2)
- 3-(Isopropylthio)-1,2,4-triazin-5-amine (CAS 187099-36-1)
- 5-(Benzo[d][1,3]dioxol-5-yl)-2-methylfuran-3-carboxylic acid (CAS 696627-46-0)
- Tert-butyl 3-(benzyloxycarbonylamino)azepane-1-carboxylate (CAS 1044561-17-2)
- 1-(4,6-Dichloro-5-pyrimidinyl)-2-propanone (CAS 26035-69-8)
- 7-Chloro-5-fluoroindoline-2,3-dione (CAS 259860-03-2)
- (3aS,8aR)-2-(5-(Trifluoromethyl)pyridin-2-yl)-8,8a-dihydro-3aH-indeno[1,2-d]oxazole (CAS 2757082-23-6)
- N,N-Dimethyl-1-(piperidin-3-yl)-1H-1,2,3-triazole-4-carboxamide (CAS 1334494-69-7)
- Ketorolac EP Impurity D sodium salt (CAS 1391053-45-4 (free base))
- Tirzepatide Impurity 59 (CAS CATO-C4X-324059)
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