(4-Bromophenyl)(methyl)(phenyl)silane CAS 18205-09-9
| CAS No. | 18205-09-9 |
| Molecular Formula | C13H12BrSi |
| Molecular Weight | 276.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(4-Bromophenyl)(methyl)(phenyl)silane (C13H12BrSi) contains bromine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
(4-Bromophenyl)(methyl)(phenyl)silane (CAS 18205-09-9) is a high-purity analytical reference standard with the molecular formula C13H12BrSi and a molecular weight of 276.22 g/mol.
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 | C13H12BrSi |
| Molecular Weight | 276.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Halogen Content | Br-containing |
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Recommended Standards
- 6-bromo-2-ethyl-N,8-dimethylimidazo[1,2-a]pyridin-3-amine (CAS 1628264-07-2)
- (R)-2-(2,6-Dioxopiperidin-3-yl)-4-fluoroisoindoline-1,3-dione (CAS 2243823-26-7)
- 1-((2R,3R,4S,5S)-5-fluoro-3,4-dihydroxy-5-(hydroxymethyl)-3-methyltetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione (CAS 1613589-04-0)
- 2-(2,6-Dioxopiperidin-3-yl)-5-fluoroisoindoline-1,3-dione (CAS 835616-61-0)
- (2S,6S)-2,6-diaminoheptanedioic acid (CAS 14289-34-0)
- 4-(Difluoromethyl)-3-fluoro-5-nitropyridine (CAS 1805118-16-4)
- (2-Amino-5-ethylthiophen-3-yl)(2-methoxyphenyl)methanone (CAS CATO-C4X-35093)
- 5-Nitroisothiazole-3-carbaldehyde (CAS 36778-11-7)
- 2,2-Bis(4-(trifluoromethoxy)phenyl)cyclopropanecarbohydrazide (CAS 2563858-43-3)
- Tert-butyl 3-bromo-5,6-dihydro-4H-imidazo[1,2-c][1,2,3]triazole-4-carboxylate (CAS 2169174-40-5)
- N-(3-Bromo-4-fluorobenzyl)-2,2-dimethoxyethan-1-amine (CAS 1036712-61-4)
- Octacosanedioic acid (CAS 5632-97-3)
- 4-Hydroxy-6-methyl-3-nitropyridin-2(1H)-one (CAS 4966-90-9)
- Semaglutide impurity 29 (CAS CATO-C4X-222629)
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