rel-tert-Butyl (4aR,9aR)-octahydro-[1,4]oxazino[3,2-c]azepine-4(4aH)-carboxylate CAS 1639944-38-9
| CAS No. | 1639944-38-9 |
| Molecular Formula | C13H24N2O3 |
| Molecular Weight | 256.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 256.34 g/mol gives rel-tert-Butyl (4aR,9aR)-octahydro-[1,4]oxazino[3,2-c]azepine-4(4aH)-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
rel-tert-Butyl (4aR,9aR)-octahydro-[1,4]oxazino[3,2-c]azepine-4(4aH)-carboxylate (CAS 1639944-38-9), molecular formula C13H24N2O3 and molecular weight 256.34 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of rel-tert-Butyl (4aR,9aR)-octahydro-[1,4]oxazino[3,2-c]azepine-4(4aH)-carboxylate (C13H24N2O3) is characterized by an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures rel-tert-Butyl (4aR,9aR)-octahydro-[1,4]oxazino[3,2-c]azepine-4(4aH)-carboxylate 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 | C13H24N2O3 |
| Molecular Weight | 256.34 g/mol |
| Appearance | 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 2 |
Recommended Standards
- Tert-butyl ((1R,5S)-9-amino-3-oxabicyclo[3.3.1]Nonan-7-yl)carbamate (CAS 1638972-45-8)
- Ethyl 2-[(1R,4R)-4-[(dimethylcarbamoyl)amino]cyclohexyl]acetate (CAS 1642586-63-7)
- Tert-butyl (4aS,5R,8aS)-5-hydroxyoctahydroquinoxaline-1(2H)-carboxylate (CAS 1638419-82-5)
- Tert-butyl 4-acetamido-4-methylpiperidine-1-carboxylate (CAS 1673527-45-1)
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- N-(3-Cyanophenyl)-5-methylisoxazole-4-carboxamide (CAS 61643-45-6)
- Insulin Degludec Impurity 6 (CAS CATO-C4X-21576)
Why CATO?
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