Methyl (R)-3-((tert-butyldimethylsilyl)oxy)-5-oxo-6-(triphenyl-l5-phosphanylidene)hexanoate CAS 147118-35-2
| CAS No. | 147118-35-2 |
| Molecular Formula | C31H39O4PSi |
| Molecular Weight | 534.70 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C31H39O4PSi, Methyl (R)-3-((tert-butyldimethylsilyl)oxy)-5-oxo-6-(triphenyl-l5-phosphanylidene)hexanoate contains a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 534.70 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Methyl (R)-3-((tert-butyldimethylsilyl)oxy)-5-oxo-6-(triphenyl-l5-phosphanylidene)hexanoate (CAS 147118-35-2), molecular formula C31H39O4PSi and molecular weight 534.70 g/mol, is a CATO reference standard with documented purity and traceability.
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.
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 | C31H39O4PSi |
| Molecular Weight | 534.70 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
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