tert-Butyl 4,5-dihydro-3H-spiro[benzo[b][1,4]oxazepine-2,4'-piperidine]-1'-carboxylate CAS 693789-34-3
| CAS No. | 693789-34-3 |
| Molecular Formula | C18H26N2O3 |
| Molecular Weight | 318.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures tert-Butyl 4,5-dihydro-3H-spiro[benzo[b][1,4]oxazepine-2,4'-piperidine]-1'-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.
tert-Butyl 4,5-dihydro-3H-spiro[benzo[b][1,4]oxazepine-2,4'-piperidine]-1'-carboxylate (CAS 693789-34-3), molecular formula C18H26N2O3 and molecular weight 318.41 g/mol, is a CATO reference standard with documented purity and traceability.
tert-Butyl 4,5-dihydro-3H-spiro[benzo[b][1,4]oxazepine-2,4'-piperidine]-1'-carboxylate (C18H26N2O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
Physical & Chemical Properties
| Molecular Formula | C18H26N2O3 |
| Molecular Weight | 318.41 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 2 |
Recommended Standards
- tert-Butyl 4-(2-oxo-3-(pyridin-4-yl)propyl)piperidine-1-carboxylate (CAS 271577-10-7)
- tert-Butyl 4,5-dihydro-3H-spiro[benzo[f][1,4]oxazepine-2,4'-piperidine]-1'-carboxylate (CAS 2138428-38-1)
- tert-Butyl 3H-spiro[benzo[f][1,4]oxazepine-2,4'-piperidine]-4(5H)-carboxylate (CAS 2126177-04-4)
- Tert-butyl 4-methoxyspiro[indoline-3,4'-piperidine]-1'-carboxylate (CAS 2251053-64-0)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com