Trimethoxy((trimethylsilyl)ethynyl)silane CAS 50727-84-9
| CAS No. | 50727-84-9 |
| Molecular Formula | C8H18O3Si2 |
| Molecular Weight | 218.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C8H18O3Si2, Trimethoxy((trimethylsilyl)ethynyl)silane contains a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 218.40 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
Trimethoxy((trimethylsilyl)ethynyl)silane (CAS 50727-84-9), molecular formula C8H18O3Si2 and molecular weight 218.40 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 | C8H18O3Si2 |
| Molecular Weight | 218.40 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) | 0.0 |
| CAS Registry Year (est.) | 1971 |
Related Trimethoxy Standards
- 2,4,6-Trimethoxy-5-nitropyrimidine (CAS 83356-02-9)
- 4,5,6-Trimethoxy-2,3-dihydro-1H-inden-1-one (CAS 16718-42-6)
- 1,2,3-Trimethoxy-5-(prop-2-yn-1-yloxy)benzene (CAS 860787-50-4)
- 1,3,5-Trimethoxy-2-(2-methylallyl)benzene (CAS 81156-49-2)
- 1,2,4-Trimethoxy-3-nitrobenzene (CAS 102871-28-3)
- 1,2,3-Trimethoxy-4-nitrobenzene (CAS 102872-41-3)
- 1,2,4-Trimethoxy-5-nitrobenzene (CAS 14227-14-6)
- 1,2,3-Trimethoxy-5-nitrobenzene (CAS 6307-90-0)
Recommended Standards
- 2-(Decylthio)ethan-1-ol (CAS 41891-88-7)
- 3-((Tert-butyldimethylsilyl)oxy)-2,2-dimethylpropan-1-ol (CAS 117932-70-4)
- (2-Chloro-4,6-dimethoxypyrimidin-5-yl)boronic acid (CAS 654075-24-8)
- Dimethoxy(methyl)(octyl)silane (CAS 85712-15-8)
- 2-Bromo-4-chloro-1-cyclopropylbenzene (CAS 1353857-15-4)
- D-Glucopyranuronic Acid Methyl Ester (CAS 82228-14-6)
- (R)-1-(4-fluoro-3-methylphenyl)ethan-1-amine hydrochloride (CAS 1213096-70-8)
- 1-(Bromomethyl)-2-chloro-4-nitrobenzene (CAS 42533-63-1)
- 4,4,4-Trifluoro-3-(pyridin-3-yl)butanoic acid (CAS 1342493-30-4)
- 3-Chloro-2-(2-furylmethoxy)aniline (CAS 937605-81-7)
- 3-(4-Isopropoxybenzyl)azetidine (CAS 1183724-87-9)
- Ethyl 7-Oxo-4,5,6,7-tetrahydro-2H-pyrazolo[3,4-c]pyridine-3-carboxylate (CAS 1313532-55-6)
- N-CYano-4-methoxypyridinium tetrafluoroborate (CAS 1229618-90-9)
- Semaglutide238 (CAS CATO-C4X-2226238)
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