Benzene, 1,1-[(4-bromobutoxy)(1,1-dimethylethyl)silylene]bis- CAS 125010-58-4
| CAS No. | 125010-58-4 |
| Molecular Formula | C20H27BrOSi |
| Molecular Weight | 391.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Benzene, 1,1-[(4-bromobutoxy)(1,1-dimethylethyl)silylene]bis- (CAS 125010-58-4) is a high-purity analytical reference standard with the molecular formula C20H27BrOSi and a molecular weight of 391.42 g/mol.
Based on its molecular formula C20H27BrOSi, Benzene, 1,1-[(4-bromobutoxy)(1,1-dimethylethyl)silylene]bis- contains a steroid core, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 391.42 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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 | C20H27BrOSi |
| Molecular Weight | 391.42 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1992 |
| Halogen Content | Br-containing |
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