63148-57-2 Poly(methylhydrosiloxane) Siloxanes and Silicones, Me hydrogen Polymethylhydrogensiloxane, trimethylsiloxy end blocked Siloxanes and silicones, methyl hydrogen CAS 63148-57-2
| CAS No. | 63148-57-2 |
| Molecular Formula | C3H10OSi |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
63148-57-2 Poly(methylhydrosiloxane) Siloxanes and Silicones, Me hydrogen Polymethylhydrogensiloxane, trimethylsiloxy end blocked Siloxanes and silicones, methyl hydrogen (CAS 63148-57-2) is a high-purity analytical reference standard with the molecular formula C3H10OSiC4H12SiC2H8OSi and a molecular weight of 254.59 g/mol.
Based on its molecular formula C3H10OSiC4H12SiC2H8OSi, 63148-57-2 Poly(methylhydrosiloxane) Siloxanes and Silicones, Me hydrogen Polymethylhydrogensiloxane, trimethylsiloxy end blocked Siloxanes and silicones, methyl hydrogen 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 254.59 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C3H10OSi C4H12Si C2H8OSi |
| Molecular Weight | 254.59 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | -5.0 |
| CAS Registry Year (est.) | 1975 |
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