(2S)-3-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-2-methyl-1-propanol 4-Methylbenzenesulfonate (2S)-3-{[tert-Butyl(dimethyl)silyl]oxy}-2-methylpropan-1-yl Tosylate 222539-29-9 CAS 222539-29-9
| CAS No. | 222539-29-9 |
| Molecular Formula | C17H30O4SSi |
| Molecular Weight | 358.57 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.
(2S)-3-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-2-methyl-1-propanol 4-Methylbenzenesulfonate (2S)-3-{[tert-Butyl(dimethyl)silyl]oxy}-2-methylpropan-1-yl Tosylate 222539-29-9 (CAS 222539-29-9), molecular formula C17H30O4SSi and molecular weight 358.57 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C17H30O4SSi, (2S)-3-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-2-methyl-1-propanol 4-Methylbenzenesulfonate (2S)-3-{[tert-Butyl(dimethyl)silyl]oxy}-2-methylpropan-1-yl Tosylate 222539-29-9 contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 358.57 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
As a certified reference material (CRM), (2S)-3-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-2-methyl-1-propanol 4-Methylbenzenesulfonate (2S)-3-{[tert-Butyl(dimethyl)silyl]oxy}-2-methylpropan-1-yl Tosylate 222539-29-9 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 | C17H30O4SSi |
| Molecular Weight | 358.57 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2020 |
| Sulfur Atoms | 1 |
Related S Standards
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