Poly(dimethylsiloxane), monoglycidyl ether endcapped CAS 157723-26-7
| CAS No. | 157723-26-7 |
| Molecular Formula | C8H18O3Si |
| Molecular Weight | N/A |
| 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.
CATO supplies Poly(dimethylsiloxane), monoglycidyl ether endcapped (CAS 157723-26-7), a certified reference material (molecular formula C8H18O3SiC2H8O2Si, MW 282.48 g/mol) for analytical method development and quality control.
The molecular framework of Poly(dimethylsiloxane), monoglycidyl ether endcapped (C8H18O3SiC2H8O2Si) 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.
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.
Physical & Chemical Properties
| Molecular Formula | C8H18O3Si C2H8O2Si |
| Molecular Weight | 282.48 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | -2.0 |
| CAS Registry Year (est.) | 2002 |
Related Poly Standards
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