| CAS No. | 187527-25-9 |
| Molecular Formula | C21H46O3Si2 |
| Molecular Weight | 402.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 402.76 g/mol gives (-)-(S)-5,7-Bis[(tert-butyldimethylsilyl)oxy]-4,4-dimethylheptan-3-one (5S)-5,7-Bis-{[tert-butyldimethylsilyl)oxy]}-4,4-dimethylheptan-3-one 187527-25-9 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(-)-(S)-5,7-Bis[(tert-butyldimethylsilyl)oxy]-4,4-dimethylheptan-3-one (5S)-5,7-Bis-{[tert-butyldimethylsilyl)oxy]}-4,4-dimethylheptan-3-one 187527-25-9 (CAS 187527-25-9) is a high-purity analytical reference standard with the molecular formula C21H46O3Si2 and a molecular weight of 402.76 g/mol.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, (-)-(S)-5,7-Bis[(tert-butyldimethylsilyl)oxy]-4,4-dimethylheptan-3-one (5S)-5,7-Bis-{[tert-butyldimethylsilyl)oxy]}-4,4-dimethylheptan-3-one 187527-25-9 is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 402.76 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
CATO manufactures (-)-(S)-5,7-Bis[(tert-butyldimethylsilyl)oxy]-4,4-dimethylheptan-3-one (5S)-5,7-Bis-{[tert-butyldimethylsilyl)oxy]}-4,4-dimethylheptan-3-one 187527-25-9 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C21H46O3Si2 |
| Molecular Weight | 402.76 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.) | 2010 |