Tert-butyl (1R,5S)-7-(((benzyloxy)carbonyl)amino)-9-oxo-3-azabicyclo[3.3.1]Nonane-3-carboxylate CAS 1638643-12-5
| CAS No. | 1638643-12-5 |
| Molecular Formula | C21H28N2O5 |
| Molecular Weight | 388.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Tert-butyl (1R,5S)-7-(((benzyloxy)carbonyl)amino)-9-oxo-3-azabicyclo[3.3.1]Nonane-3-carboxylate (CAS 1638643-12-5) is a high-purity analytical reference standard with the molecular formula C21H28N2O5 and a molecular weight of 388.46 g/mol.
Tert-butyl (1R,5S)-7-(((benzyloxy)carbonyl)amino)-9-oxo-3-azabicyclo[3.3.1]Nonane-3-carboxylate (C21H28N2O5) contains a flavonoid 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.
As a certified reference material (CRM), Tert-butyl (1R,5S)-7-(((benzyloxy)carbonyl)amino)-9-oxo-3-azabicyclo[3.3.1]Nonane-3-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 | C21H28N2O5 |
| Molecular Weight | 388.46 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 2 |
Recommended Standards
- 4,4'-(2,2-Diphenylethene-1,1-diyl)dibenzaldehyde (CAS 1601465-06-8)
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- Ethyl Acetate-d3 (CAS 90691-33-1)
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- (S)-1-(benzofuran-2-yl)ethan-1-amine (CAS 939792-89-9)
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- Semaglutide impurity 74 (CAS CATO-C4X-222674)
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