tert-Butyl 6-bromo-2-oxo-1,2-dihydrospiro[indole-3,4'-piperidine]-1'-carboxylate CAS 1160247-29-9
| CAS No. | 1160247-29-9 |
| Molecular Formula | C17H21BrN2O3 |
| Molecular Weight | 381.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C17H21BrN2O3, tert-Butyl 6-bromo-2-oxo-1,2-dihydrospiro[indole-3,4'-piperidine]-1'-carboxylate contains a steroid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 381.26 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
tert-Butyl 6-bromo-2-oxo-1,2-dihydrospiro[indole-3,4'-piperidine]-1'-carboxylate (CAS 1160247-29-9), molecular formula C17H21BrN2O3 and molecular weight 381.26 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C17H21BrN2O3 |
| Molecular Weight | 381.26 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
- Diphenyl N-[(trifluoromethyl)sulfonyl]phosphoramidate (CAS 1009647-84-0)
- (6-Chloropyridin-3-yl)methyl 4-((6-chloropyridin-3-yl)methyl)piperazine-2-carboxylate (CAS 1289384-59-3)
- Piclamilast (CAS 144035-83-6)
- tert-Butyl 4-(4-bromo-2-cyanophenoxy)piperidine-1-carboxylate, 97% (CAS 1292317-56-6)
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- 2-(4-(Aminomethyl)-6-(difluoromethyl)-3-hydroxypyridin-2-yl)acetic acid (CAS 1807008-82-7)
- beta-Selinene (CAS 17066-67-0)
- D-Asp9-Tirzepatide (CAS CATO-CPTD788923)
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