(2R,3R,4R)-4-((tert-Butyldimethylsilyl)oxy)-2-(((tert-butyldimethylsilyl)oxy)methyl)-3,4-dihydro-2H-pyran-3-yl acetate CAS 132891-79-3
| CAS No. | 132891-79-3 |
| Molecular Formula | C20H42O7Si2 |
| Molecular Weight | 450.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of (2R,3R,4R)-4-((tert-Butyldimethylsilyl)oxy)-2-(((tert-butyldimethylsilyl)oxy)methyl)-3,4-dihydro-2H-pyran-3-yl acetate 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.
(2R,3R,4R)-4-((tert-Butyldimethylsilyl)oxy)-2-(((tert-butyldimethylsilyl)oxy)methyl)-3,4-dihydro-2H-pyran-3-yl acetate (CAS 132891-79-3), molecular formula C20H42O7Si2 and molecular weight 450.71 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, (2R,3R,4R)-4-((tert-Butyldimethylsilyl)oxy)-2-(((tert-butyldimethylsilyl)oxy)methyl)-3,4-dihydro-2H-pyran-3-yl acetate is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 450.71 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
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), (2R,3R,4R)-4-((tert-Butyldimethylsilyl)oxy)-2-(((tert-butyldimethylsilyl)oxy)methyl)-3,4-dihydro-2H-pyran-3-yl acetate 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 | C20H42O7Si2 |
| Molecular Weight | 450.71 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1994 |
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