| CAS No. | 218615-21-5 |
| Molecular Formula | C11H24O3Si |
| Molecular Weight | 232.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including (-)-(3S)-3-{[tert-Butyl(dimethyl)silyl]oxy}-5-hydroxypentan-2-one (3S)-3-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-5-hydroxy-2-pentanone 218615-21-5.
(-)-(3S)-3-{[tert-Butyl(dimethyl)silyl]oxy}-5-hydroxypentan-2-one (3S)-3-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-5-hydroxy-2-pentanone 218615-21-5 (CAS 218615-21-5), molecular formula C11H24O3Si and molecular weight 232.39 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of (-)-(3S)-3-{[tert-Butyl(dimethyl)silyl]oxy}-5-hydroxypentan-2-one (3S)-3-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-5-hydroxy-2-pentanone 218615-21-5 (C11H24O3Si) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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.
CATO manufactures (-)-(3S)-3-{[tert-Butyl(dimethyl)silyl]oxy}-5-hydroxypentan-2-one (3S)-3-[[(1,1-Dimethylethyl)dimethylsilyl]oxy]-5-hydroxy-2-pentanone 218615-21-5 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.
| Molecular Formula | C11H24O3Si |
| Molecular Weight | 232.39 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) | 0.0 |
| CAS Registry Year (est.) | 2019 |