3-Bromo-2-((tert-butyldimethylsilyl)oxy)cyclopent-2-en-1-one CAS 1621056-23-2
| CAS No. | 1621056-23-2 |
| Molecular Formula | C11H19BrO2Si |
| Molecular Weight | 291.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-Bromo-2-((tert-butyldimethylsilyl)oxy)cyclopent-2-en-1-one (CAS 1621056-23-2), a certified reference material (molecular formula C11H19BrO2Si, MW 291.26 g/mol) for analytical method development and quality control.
3-Bromo-2-((tert-butyldimethylsilyl)oxy)cyclopent-2-en-1-one (C11H19BrO2Si) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C11H19BrO2Si |
| Molecular Weight | 291.26 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1993 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 4-Bromo-2-methyl-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-imidazole (CAS 1262152-90-8)
- 5-Bromo-4-((tert-butyldimethylsilyl)oxy)-1-methyl-1H-pyrazole (CAS 2810048-58-7)
- 1-Bromo-2-(octyloxy)cyclohexane (CAS 1340244-47-4)
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- 1-Bromo-2-(octan-2-yloxy)cyclohexane (CAS 1343516-01-7)
- 3-Bromo-2-(oct-1-en-3-yloxy)tetrahydro-2H-pyran (CAS 349543-87-9)
- (3-Bromo-2,2-dimethylpropanesulfonyl)benzene (CAS 16462-88-7)
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Recommended Standards
- 3-Ethoxy-4-((1-methyl-4-nitro-1H-pyrazol-3-yl)oxy)benzaldehyde (CAS 1429417-51-5)
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- {1-[3-(Acetylamino)phenyl]-2,5-dioxoimidazolidin-4-yl}acetic acid (CAS 1910769-55-9)
- (E)-2-Furaldehyde, (2,4-Dinitrophenyl)hydrazone (CAS 16416-22-1)
- 7-Isopropylbicyclo[4.2.0]Octa-1,3,5-trien-7-amine (CAS 1128112-28-6)
- 1-Bromo-2-(bromomethyl)naphthalene, 97% (CAS 37763-43-2)
- 4-Aminomethyl-2-methylpyridine (CAS 94413-70-4)
- 5-(4-methoxyphenoxy)pyridine-2-carboxylic acid (CAS 72133-36-9)
- N-(6-Vinylpyridin-3-yl)acetamide (CAS 1259929-70-8)
- 2-(6-Methoxy-3-oxo-2,3-dihydro-1H-inden-1-yl)acetic acid (CAS 24467-92-3)
- 2-((2-Bromo-N-methylphenyl)sulfonamido)-N,N-dimethylacetamide (CAS 1178728-56-7)
- 4-(3,6-Dichloropyridazin-4-yl)morpholine (CAS 36096-74-9)
- Semaglutide impurity 289 (CAS CATO-C4X-2226289)
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