tert-Butyl 6-bromo-4-oxo-3,4-dihydrospiro[1-benzopyran-2,3'-pyrrolidine]-1'-carboxylate CAS 1291076-20-4
| CAS No. | 1291076-20-4 |
| Molecular Formula | C17H20BrNO4 |
| Molecular Weight | 382.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
tert-Butyl 6-bromo-4-oxo-3,4-dihydrospiro[1-benzopyran-2,3'-pyrrolidine]-1'-carboxylate (C17H20BrNO4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, bromine substitution. Halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies tert-Butyl 6-bromo-4-oxo-3,4-dihydrospiro[1-benzopyran-2,3'-pyrrolidine]-1'-carboxylate (CAS 1291076-20-4), a certified reference material (molecular formula C17H20BrNO4, MW 382.25 g/mol) for analytical method development and quality control.
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.
CATO manufactures tert-Butyl 6-bromo-4-oxo-3,4-dihydrospiro[1-benzopyran-2,3'-pyrrolidine]-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.
Physical & Chemical Properties
| Molecular Formula | C17H20BrNO4 |
| Molecular Weight | 382.25 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.) | 1990 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Recommended Standards
- 1-(Tert-butyl) 2-ethyl 5-(bromomethyl)-1H-indole-1,2-dicarboxylate (CAS 1233086-45-7)
- Tert-butyl 6-bromo-3-oxo-3H-spiro[benzofuran-2,4'-piperidine]-1'-carboxylate (CAS 1315362-51-6)
- Ethyl (4aS,9bR)-5-(2-amino-2-oxoethyl)-6-bromo-1,3,4,4a,5,9b-hexahydro-2H-pyrido[4,3-b]indole-2-carboxylate (CAS 1059630-09-9)
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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
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com