(4-Methoxyphenyl)(triphenylsilyl)methanone CAS 1174-56-7
| CAS No. | 1174-56-7 |
| Molecular Formula | C26H22O2Si |
| Molecular Weight | 394.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(4-Methoxyphenyl)(triphenylsilyl)methanone (CAS 1174-56-7) is a high-purity analytical reference standard with the molecular formula C26H22O2Si and a molecular weight of 394.54 g/mol.
Based on its molecular formula C26H22O2Si, (4-Methoxyphenyl)(triphenylsilyl)methanone contains a steroid core, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 394.54 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (4-Methoxyphenyl)(triphenylsilyl)methanone meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C26H22O2Si |
| Molecular Weight | 394.54 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
Related Methoxyphenyl Standards
- 1-[4-[4-(4-Methoxyphenyl)-1-piperazinyl]phenyl]-3-(1-methylethyl)-2-imidazolidinone (CAS 95182-50-6)
- 2-((5,6-Bis(4-methoxyphenyl)-1,2,4-triazin-3-yl)(propyl)amino)ethanol (CAS 59663-42-2)
- N-(4-methoxyphenyl)-3-nitro-4-(p-tolylthio)benzamide (CAS 303988-20-7)
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- 5-[(3-Methoxyphenyl)methyl]-7-(trifluoromethyl)-1H,3H,3aH,4H,5H-[1,3]thiazolo[3,4-a]quinoxalin-4-one (CAS 1024017-57-9)
- 1-(((4-(2-Methoxyphenyl)-6-(trifluoromethyl)pyrimidin-2-yl)oxy)methyl)-1H-pyrazole-3-carboxylic acid (CAS 1006348-81-7)
- 4-(4-Methoxyphenyl)-1,3-diphenyl-1H,4H,5H,6H,7H-pyrazolo[3,4-b]pyridin-6-one (CAS 338963-29-4)
- 2-(3-(4-Methoxyphenyl)-6-oxopyridazin-1(6H)-yl)-N-(2-(methylthio)phenyl)propanamide (CAS 1203293-77-9)
Recommended Standards
- tert-Butyl (Z)-4'-((tert-butylsulfinyl)imino)-4'H,6'H-spiro[piperidine-4,5'-pyrrolo[1,2-b]pyrazole]-1-carboxylate (CAS 2843690-84-4)
- Latanoprost EP Impurity H-D4 (CAS 1224443-47-3)
- N-(4-butylphenyl)-2-((4-ethyl-5-phenyl-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 862105-52-0)
- 4-((4-Ethoxy-2,3-difluorophenoxy)methyl)-4'-propyl-1,1'-bi(cyclohexane) (CAS 123560-52-1)
- 4-Bromo-2-iodobenzoic acid ethyl ester (CAS 1261646-75-6)
- 1-[(2,6-Dichlorophenyl)methyl]-3'-phenyl-1,2-dihydrospiro[indole-3,2'-[1,3]thiazolidine]-2,4'-dione (CAS 338419-07-1)
- 5-Iodo-2-(trifluoromethyl)benzaldehyde (CAS 1261827-15-9)
- 2-(Tert-butyl)-4-chloropyridine (CAS 1163706-64-6)
- Troxerutin Impurity 17 (CAS CATO-C4X-280017)
- AC-262536 (CAS 870888-46-3)
- 2-((2-Fluorobenzyl)thio)-6,7-dimethoxy-3-octylquinazolin-4(3H)-imine (CAS 860786-54-5)
- Methyl 3-amino-5-ethoxy-4-methylbenzoate (CAS 1429902-20-4)
- Pentyl 4-nitrobenzoate (CAS 14309-42-3)
- [a-Glu](Side chain transposition)- Semaglutide (CAS CATO-C4X-2226111)
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