Triethylene glycol di(p-toluenesulfonate) CAS 19249-03-7
| CAS No. | 19249-03-7 |
| Molecular Formula | C20H38O8S2 |
| Molecular Weight | 470.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Triethylene glycol di(p-toluenesulfonate) (CAS 19249-03-7) is a high-purity analytical reference standard with the molecular formula C20H38O8S2 and a molecular weight of 470.64 g/mol.
The molecular framework of Triethylene glycol di(p-toluenesulfonate) (C20H38O8S2) is characterized by a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage. 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.
As a certified reference material (CRM), Triethylene glycol di(p-toluenesulfonate) 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 | C20H38O8S2 |
| Molecular Weight | 470.64 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1962 |
| Sulfur Atoms | 2 |
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