| CAS No. | 1438-79-5 |
| Molecular Formula | C7H18OSi2 |
| Molecular Weight | 174.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
CATO manufactures 1,1,1,3,3-Pentamethyl-3-vinyldisiloxane under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
CATO supplies 1,1,1,3,3-Pentamethyl-3-vinyldisiloxane (CAS 1438-79-5), a certified reference material (molecular formula C7H18OSi2, MW 174.39 g/mol) for analytical method development and quality control.
1,1,1,3,3-Pentamethyl-3-vinyldisiloxane (C7H18OSi2) contains a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions.
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 | C7H18OSi2 |
| Molecular Weight | 174.39 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | -1.0 |
| CAS Registry Year (est.) | 1957 |