1’-Boc-6-bromospiro[chroman-2,4’-piperidin]-4-one CAS 690632-38-3
| CAS No. | 690632-38-3 |
| Molecular Formula | C18H22BrNO4 |
| Molecular Weight | 396.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 1’-Boc-6-bromospiro[chroman-2,4’-piperidin]-4-one (C18H22BrNO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 396.28 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
1’-Boc-6-bromospiro[chroman-2,4’-piperidin]-4-one (CAS 690632-38-3), molecular formula C18H22BrNO4 and molecular weight 396.28 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 | C18H22BrNO4 |
| Molecular Weight | 396.28 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; 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.) | 1985 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Boc Standards
- Benzyl 5-bromospiro[indole-3,4'-piperidine]-1'-carboxylate (CAS 1375076-92-8)
- 1'-Benzyl-6-bromospiro[chroman-2,4'-piperidin]-4-one (CAS 81109-72-0)
- 2'-Bromospiro[fluorene-9,9'-xanthene] (CAS 1477458-14-2)
- 4'-Bromospiro[fluorene-9,9'-xanthene] (CAS 1609484-29-8)
- 4-Bromospiro[fluorene-9,9’-xanthene] (CAS 1609484-45-8)
- 3'-Bromospiro[fluorene-9,9'-xanthene] (CAS 1621397-55-4)
- 2-Bromospiro[9H-fluorene-9,9'-[9H]xanthene] (CAS 899422-06-1)
- 1'-Benzyl-6-bromospiro[indoline-3,4'-piperidin]-2-one (CAS 1258638-01-5)
Recommended Standards
- 1-(4-Bromophenyl)-3-((4-phenoxyphenyl)amino)propan-1-one (CAS 477334-11-5)
- 4-[Bromo(1-Boc-piperidin-4-ylidene)methyl]benzoic Acid (CAS 209808-17-3)
- (4aS,9bR)-Ethyl 6-bromo-5-(2-(methylamino)-2-oxoethyl)-3,4,4a,5-tetrahydro-1H-pyrido[4,3-b]indole-2(9bH)-carboxylate (CAS 2098497-32-4)
- 5-Bromo-N-(5-(2-(methylthio)phenyl)-1,3,4-oxadiazol-2-yl)thiophene-2-carboxamide (CAS 898449-43-9)
- tert-Butyl 3-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)azetidine-1-carboxylate (CAS 1613259-77-0)
- (E)-2-(2-Benzylidenehydrazinyl)benzoicacid (CAS 686267-65-2)
- 3-(2-Chloro-6-fluorophenyl)isoxazole-5-carboxylic acid (CAS 1038715-02-4)
- N-(3-(Benzo[d]thiazol-2-yl)phenyl)-7H-pyrrolo[2,3-d]pyrimidin-4-amine (CAS 920519-68-2)
- 3-(1,1-Difluoroallyl)-6-methoxyquinoxalin-2-ol (CAS 1535210-92-4)
- Ethyl 4,5-dimethyl-2-(2-((3-(m-tolyl)-1H-1,2,4-triazol-5-yl)thio)acetamido)thiophene-3-carboxylate (CAS 332158-87-9)
- 7-Bromo-3,4-dihydro-2H-benzo[b][1,4]oxazine Hydrochloride (CAS 1350738-87-2)
- 1-(4-Butoxy-3-methylphenyl)ethanol (CAS 1225918-63-7)
- 2-Chloro-5-hydroxy-6-oxo-1,6-dihydropyrimidine-4-carboxylic acid (CAS 1824642-99-0)
- Semaglutide impurity 261 (CAS CATO-C4X-2226261)
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