2,2,2-Trichloro-1-(2-oxido-1,3,2-dioxaphosphinan-2-yl)ethyl benzenesulfonate CAS 473827-12-2
| CAS No. | 473827-12-2 |
| Molecular Formula | C11H12Cl3O6PS |
| Molecular Weight | 409.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 2,2,2-Trichloro-1-(2-oxido-1,3,2-dioxaphosphinan-2-yl)ethyl benzenesulfonate (CAS 473827-12-2), a certified reference material (molecular formula C11H12Cl3O6PS, MW 409.61 g/mol) for analytical method development and quality control.
The molecular framework of 2,2,2-Trichloro-1-(2-oxido-1,3,2-dioxaphosphinan-2-yl)ethyl benzenesulfonate (C11H12Cl3O6PS) is characterized by a sulfone group, a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. 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. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H12Cl3O6PS |
| Molecular Weight | 409.61 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Sulfur Atoms | 1 |
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- Semaglutide impurity 59 (CAS CATO-C4X-222659)
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