Trimethyl-d9-sulfonium Iodide CAS 106776-17-4
| CAS No. | 106776-17-4 |
| Molecular Formula | I |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Trimethyl-d9-sulfonium Iodide (CAS 106776-17-4), molecular formula IC3D9S and molecular weight 213.12 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of Trimethyl-d9-sulfonium Iodide (IC3D9S) is characterized by deuterium isotope labeling, sulfur-containing functionality, iodine substitution. 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 presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
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 | I C3D9S |
| Molecular Weight | 213.12 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 3.5 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | I-containing |
| Sulfur Atoms | 1 |
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