Phenyl(4-((trimethylsilyl)ethynyl)phenyl)methanone CAS 220659-84-7
| CAS No. | 220659-84-7 |
| Molecular Formula | C18H18OSi |
| Molecular Weight | 278.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Phenyl(4-((trimethylsilyl)ethynyl)phenyl)methanone is closely related to a steroid core, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Phenyl(4-((trimethylsilyl)ethynyl)phenyl)methanone (CAS 220659-84-7) is a high-purity analytical reference standard with the molecular formula C18H18OSi and a molecular weight of 278.42 g/mol.
Phenyl(4-((trimethylsilyl)ethynyl)phenyl)methanone (C18H18OSi) contains a steroid core, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C18H18OSi |
| Molecular Weight | 278.42 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2020 |
Related Phenyl Standards
- Phenyl(2-((trimethylsilyl)ethynyl)phenyl)methanone (CAS 172607-53-3)
- 3-Methyl-1-((2-(trimethylsilyl)ethoxy)methyl)-1,3-dihydro-2H-pyrrolo[2,3-b]pyridin-2-one (CAS 2081858-87-7)
- (1-((2-(Trimethylsilyl)ethoxy)methyl)-1H-pyrazolo[3,4-b]pyridin-3-yl)methanamine (CAS 1403667-51-5)
- (8-(2-(Trimethylsilyl)ethoxy)imidazo[1,2-a]pyrazin-6-yl)boronic acid (CAS 2769933-52-8)
- 1-(Bis(trimethylsilyl)methyl)-1H-benzo[d][1,2,3]triazole (CAS 122296-01-9)
- 3-Methyl-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-indazol-6-amine (CAS 1214900-04-5)
- (7-((2-(Trimethylsilyl)ethoxy)methyl)-7H-pyrrolo[2,3-d]pyrimidin-4-yl)methanol (CAS 2306264-42-4)
- 5-Phenyl-3-(2-((trimethylsilyl)oxy)propan-2-yl)-4,5-dihydroisoxazole (CAS 91157-63-0)
Recommended Standards
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- 4-(Methylthio)-2-thioxo-3-(p-tolyl)-2,3-dihydrothiazole-5-carbonitrile (CAS 478261-56-2)
- 5α-ESTRAN-3α, 17β-DIOL (CAS 10002-95-6)
- 5-(4-Pyridyl)pentanoicacid (CAS 88940-70-9)
- 2'-Methoxy-[1,1'-biphenyl]-2-carboxylicacid (CAS 17296-28-5)
- N1,N4-diphenylterephthalamide (CAS 7154-31-6)
- Metaraminol Impurity 21 (CAS 1602857-94-2)
- 4,6-Dimethyldibenzo[b,d]furan (CAS 1136-77-2)
- 2-(2-Nitrophenyl)-1H-indole (CAS 59050-53-2)
- 4,4'-((2R,3S)-Butane-2,3-diyl)bis(chlorobenzene) (CAS 64985-93-9)
- Di-tert-butyl(isobutyl)silyl trifluoromethanesulfonate (CAS 1314639-86-5)
- 2,6-Dichloro-4-fluorobenzoic Acid (CAS 232275-55-7)
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