Tris(isopropylthio)silane CAS 17891-55-3
| CAS No. | 17891-55-3 |
| Molecular Formula | C9H22S3Si |
| Molecular Weight | 254.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
Tris(isopropylthio)silane (CAS 17891-55-3), molecular formula C9H22S3Si and molecular weight 254.55 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of Tris(isopropylthio)silane (C9H22S3Si) is characterized by sulfur-containing functionality. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development.
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 | C9H22S3Si |
| Molecular Weight | 254.55 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | -1.0 |
| CAS Registry Year (est.) | 1962 |
| Sulfur Atoms | 3 |
Related Tris Standards
- 6-(Isopropylthio)-9-propyl-9H-purin-2-amine (CAS 56964-86-4)
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- 2-(2-(Isopropylthio)pyridin-3-yl)pyrrolidine-1-carbaldehyde (CAS 1352489-21-4)
- 2-(6-(Isopropylthio)pyridin-3-yl)pyrrolidine-1-carbaldehyde (CAS 1352502-36-3)
- 2-(2-(Isopropylthio)-1H-benzo[d]imidazol-1-yl)acetic acid (CAS 313241-15-5)
- 5-(4-(Isopropylthio)benzyl)-1,3,4-oxadiazol-2-amine (CAS 1251683-05-2)
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