Sodium 2-(trimethylÂsilylÂ)-ethansulfoÂnate CAS 18143-40-3
| CAS No. | 18143-40-3 |
| Molecular Formula | C5H13O3SSi |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 204.29 g/mol gives Sodium 2-(trimethylÂsilylÂ)-ethansulfoÂnate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Sodium 2-(trimethylÂsilylÂ)-ethansulfoÂnate (CAS 18143-40-3), molecular formula C5H13O3SSiNa and molecular weight 204.29 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, Sodium 2-(trimethylÂsilylÂ)-ethansulfoÂnate is typically white to off-white crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 204.29 g/mol — guide the selection of appropriate sample preparation and analytical techniques.
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), Sodium 2-(trimethylÂsilylÂ)-ethansulfoÂnate 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 | C5H13O3SSi Na |
| Molecular Weight | 204.29 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | -0.5 |
| CAS Registry Year (est.) | 1962 |
| Sulfur Atoms | 1 |
Related Sodium Standards
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Recommended Standards
- 2-[5-(4-Fluorobenzoyl)thiophen-2-yl]acetonitrile (CAS 338966-59-9)
- Ethyl 8-chloro-7-fluoro-4-hydroxyquinoline-3-carboxylate (CAS 1065094-14-5)
- N-Isobutyl-N-[(1,3,5-trimethyl-1H-pyrazol-4-yl)-methyl]amine (CAS 1152873-23-8)
- 1-{[1-(2-fluorophenyl)-1h-pyrazol-4-yl]sulfanyl}-N,N-dimethylformamide (CAS 1354959-67-3)
- 2-(4-((Tert-butoxycarbonyl)amino)piperidin-1-yl)-2-(1H-indol-2-yl)acetic acid (CAS 885275-43-4)
- 2-(Chloromethyl)-6-(difluoromethoxy)benzo[d]oxazole (CAS 1804106-53-3)
- Linoleic Acid-1- (CAS 98353-71-0)
- 1,6-Dimethyl-4-phenyl-1,2-dihydropyridin-2-one (CAS 72248-86-3)
- 2-Formyl-1-benzofuran-3-carboxylic acid (CAS 38281-55-9)
- Pancreatic Polypeptide (human) trifluoroacetate salt (CAS 75976-10-2)
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