15,15-Diethoxy-2,2-dimethyl-3,16-dioxa-2,15-disilaoctadecane CAS 75389-03-6
| CAS No. | 75389-03-6 |
| Molecular Formula | C20H46O4Si2 |
| Molecular Weight | 406.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The molecular framework of 15,15-Diethoxy-2,2-dimethyl-3,16-dioxa-2,15-disilaoctadecane (C20H46O4Si2) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
15,15-Diethoxy-2,2-dimethyl-3,16-dioxa-2,15-disilaoctadecane (CAS 75389-03-6), molecular formula C20H46O4Si2 and molecular weight 406.75 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C20H46O4Si2 |
| Molecular Weight | 406.75 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) | -2.0 |
| CAS Registry Year (est.) | 1978 |
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- 4-Methylpyridine-2-sulfonyl chloride hydrochloride (CAS 1220039-42-8)
- 2-(5-Methyl-pyridin-2-yl)-morpholinedihydrochloride (CAS 1361118-65-1)
- (R)-1-(Pyrrolidin-3-yl)-1H-pyrazole (CAS 917560-79-3)
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- Methyl 4-methyl-3-(1H-pyrrol-1-yl)-1H-indole-2-carboxylate (CAS 890094-13-0)
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- Dapagliflozin Impurity 186 (CAS CATO-C4X-1138186)
- 4-Nitro-N-propyl-benzenesulfonamide (CAS 23530-47-4)
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