(3S,5S)-3,5-Bis(tert-butyldimethylsilyloxy)-2-methylene-cyclohexanone (3S-trans)-3,5-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylene-cyclohexanone 190062-19-2 CAS 190062-19-2
| CAS No. | 190062-19-2 |
| Molecular Formula | C19H38O3Si2 |
| Molecular Weight | 370.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (3S,5S)-3,5-Bis(tert-butyldimethylsilyloxy)-2-methylene-cyclohexanone (3S-trans)-3,5-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylene-cyclohexanone 190062-19-2 is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
(3S,5S)-3,5-Bis(tert-butyldimethylsilyloxy)-2-methylene-cyclohexanone (3S-trans)-3,5-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylene-cyclohexanone 190062-19-2 (CAS 190062-19-2), molecular formula C19H38O3Si2 and molecular weight 370.67 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H38O3Si2, (3S,5S)-3,5-Bis(tert-butyldimethylsilyloxy)-2-methylene-cyclohexanone (3S-trans)-3,5-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylene-cyclohexanone 190062-19-2 contains a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 370.67 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (3S,5S)-3,5-Bis(tert-butyldimethylsilyloxy)-2-methylene-cyclohexanone (3S-trans)-3,5-Bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylene-cyclohexanone 190062-19-2 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 | C19H38O3Si2 |
| Molecular Weight | 370.67 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 2011 |
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