| CAS No. | 75009-88-0 |
| Molecular Formula | C14H34O6Si2 |
| Molecular Weight | 354.59 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
As a certified reference material (CRM), Bis[3-(methyldimethoxysilyl)propyl]-terminated polypropylene glycol 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.
Bis[3-(methyldimethoxysilyl)propyl]-terminated polypropylene glycol (CAS 75009-88-0), molecular formula C14H34O6Si2 and molecular weight 354.59 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of Bis[3-(methyldimethoxysilyl)propyl]-terminated polypropylene glycol (C14H34O6Si2) is characterized by 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
| Molecular Formula | C14H34O6Si2 |
| Molecular Weight | 354.59 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | -2.0 |
| CAS Registry Year (est.) | 1978 |