4-O-benzyl-3,6-di-o-tert-butyldimethylsilyl-d-glucal CAS 111830-58-1
| CAS No. | 111830-58-1 |
| Molecular Formula | C25H44O4Si2 |
| Molecular Weight | 464.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
4-O-benzyl-3,6-di-o-tert-butyldimethylsilyl-d-glucal (CAS 111830-58-1), molecular formula C25H44O4Si2 and molecular weight 464.79 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, a hydroxyl group, an ether linkage, 4-O-benzyl-3,6-di-o-tert-butyldimethylsilyl-d-glucal is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 464.79 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.
Physical & Chemical Properties
| Molecular Formula | C25H44O4Si2 |
| Molecular Weight | 464.79 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
Recommended Standards
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