4,5-Dimethyl-2-(trimethylsilyl)phenyl trifluoromethanesulfonate CAS 458566-99-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 458566-99-9 |
| Molecular Formula | C12H17F3O3SSi |
| Molecular Weight | 326.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4,5-Dimethyl-2-(trimethylsilyl)phenyl trifluoromethanesulfonate (CAS 458566-99-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H17F3O3SSi. Molecular weight: 326.41 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H17F3O3SSi |
| Molecular Weight | 326.41 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 2025 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
- 4-(Hydrazinecarbonyl)-n-methyl-n-(1-methylpiperidin-4-yl)benzenesulfonamide (CAS 792953-81-2)
- 4-Carboethoxy-3-(2-thiomethylphenyl)propiophenone (CAS 898754-45-5)
- 4-(3-Fluorophenyl)-3-(thiophen-2-ylthio)-1H-pyrrolo[2,3-b]pyridine (CAS 858117-38-1)
- (R)-2-amino-1-(pyridin-3-yl)ethan-1-ol (CAS 391906-13-1)
- Cyclohexylmethylhydrazine, HCl (CAS 3637-58-9)
- (S)-1-(2-((tert-Butyldimethylsilyl)oxy)-1-(4-chloro-3-fluorophenyl)ethyl)-4-(2-(methylsulfonyl)pyrimidin-4-yl)pyridin-2(1H)-one (CAS 1453851-69-8)
- Methyl 6-(benzyl(methyl)amino)-5-methylnicotinate (CAS 1355224-48-4)
- 2-(Dimethylamino)-4-ethylpyrimidine-5-carboxylic acid (CAS 180283-72-1)
- 2-[2-[4-[2-methoxy-5-[2-(1-methylpyridin-1-ium-2-yl)ethyl]phenoxy]phenyl]ethyl]-1-methyl-pyridin-1-ium diiodide (CAS 365542-44-5)
- Semaglutide impurity 93 (CAS CATO-C4X-222693)
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