7-Bromo-3-(((tert-butyldimethylsilyl)oxy)methyl)-2,3-dihydropyrazolo[5,1-b]oxazole CAS 2894830-86-3
| CAS No. | 2894830-86-3 |
| Molecular Formula | C12H21BrN2O2Si |
| Molecular Weight | 333.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 7-Bromo-3-(((tert-butyldimethylsilyl)oxy)methyl)-2,3-dihydropyrazolo[5,1-b]oxazole is closely related to an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
7-Bromo-3-(((tert-butyldimethylsilyl)oxy)methyl)-2,3-dihydropyrazolo[5,1-b]oxazole (CAS 2894830-86-3) is a high-purity analytical reference standard with the molecular formula C12H21BrN2O2Si and a molecular weight of 333.30 g/mol.
7-Bromo-3-(((tert-butyldimethylsilyl)oxy)methyl)-2,3-dihydropyrazolo[5,1-b]oxazole (C12H21BrN2O2Si) contains an amide group, a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution. It is notably hygroscopic, 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
As a certified reference material (CRM), 7-Bromo-3-(((tert-butyldimethylsilyl)oxy)methyl)-2,3-dihydropyrazolo[5,1-b]oxazole 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 | C12H21BrN2O2Si |
| Molecular Weight | 333.30 g/mol |
| Appearance | White to pale 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) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2004 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 2-bromo-1-(3,5-ditert-butyl-4-hydroxy-phenyl)ethanone (CAS 14386-64-2)
- (S)-3-Bromo-6-((tert-butyldimethylsilyl)oxy)-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine (CAS 2676864-89-2)
- 4-Bromo-1-(2-((tert-butyldimethylsilyl)oxy)ethyl)-1H-pyrazole-5-carbaldehyde (CAS 2379241-71-9)
- 7-Bromo-2-(((tert-butyldimethylsilyl)oxy)methyl)-2,3-dihydropyrazolo[5,1-b]oxazole (CAS 2894830-83-0)
- (R)-(2-Bromo-1-(2-fluorophenyl)ethoxy)(tert-butyl)dimethylsilane (CAS 1263284-18-9)
- (4-Bromo-3-fluorophenethoxy)(tert-butyl)dimethylsilane (CAS 2758531-12-1)
- [2-(4-Bromo-2-fluorophenyl)ethoxy](tert-butyl)dimethylsilane (CAS 924312-10-7)
- 1346604-31-6 2,2'-(4-Bromo-1-butenylidene)bis-3-methyl-d6-thiophene (CAS 1346604-31-6)
Recommended Standards
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- 2-Fluoroacetimidamide hydrochloride (CAS 2805-16-5)
- N-(3,4-Dimethoxyphenyl)-5-methyl-12-oxo-5H,5aH,6H,7H,8H,9H,10H,12H-azepino[2,1-b]quinazoline-3-carboxamide (CAS 1775408-74-6)
- Endo-[Glu]31-Liraglutide (CAS CATO-C4X-199234)
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