| CAS No. | 540-97-6 |
| Molecular Formula | C12H36O6Si6 |
| Molecular Weight | 444.92 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
As a certified reference material (CRM), Dodecamethylpentasiloxane 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.
CATO supplies Dodecamethylpentasiloxane (CAS 540-97-6), a certified reference material (molecular formula C12H36O6Si6, MW 444.92 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H36O6Si6, Dodecamethylpentasiloxane contains a carboxylic acid group, a hydroxyl group, an ether linkage; these features give the compound characteristic functional-group stretching vibrations in infrared spectroscopy. The molecular weight of 444.92 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
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.
| Molecular Formula | C12H36O6Si6 |
| Molecular Weight | 444.92 g/mol |
| Purity | >95% |
| 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) | -5.0 |
| CAS Registry Year (est.) | 1957 |