3,6-Dimethoxy-3,6-dimethyl-2,7-dioxa-3,6-disilaoctane CAS 98789-40-3
| CAS No. | 98789-40-3 |
| Molecular Formula | C8H22O4Si2 |
| Molecular Weight | 238.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a carboxylic acid group, a hydroxyl group, an ether linkage, 3,6-Dimethoxy-3,6-dimethyl-2,7-dioxa-3,6-disilaoctane is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 238.43 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
3,6-Dimethoxy-3,6-dimethyl-2,7-dioxa-3,6-disilaoctane (CAS 98789-40-3), molecular formula C8H22O4Si2 and molecular weight 238.43 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 3,6-Dimethoxy-3,6-dimethyl-2,7-dioxa-3,6-disilaoctane 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 | C8H22O4Si2 |
| Molecular Weight | 238.43 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | -2.0 |
| CAS Registry Year (est.) | 1985 |
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- 2-[(2,2,2-Trifluoroethyl)sulfanyl]ethan-1-amine (CAS 1016738-80-9)
- Tert-butyl (2-oxo-2-((3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)amino)ethyl)carbamate (CAS 1257651-17-4)
- tert-Butyl (2-(2-oxa-6-azaspiro[3.3]heptan-6-yl)ethyl)carbamate (CAS 1415562-38-7)
- 2-((2,6-Dimethylphenyl)amino)-2-oxoethyl 5-methylthiophene-2-carboxylate (CAS 380166-60-9)
- Insulin Degludec Impurity 3 (CAS CATO-C4X-21573)
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