(4-(Tert-butyl)phenyl)(4-fluoro-3-methylphenyl)methanone CAS 951886-74-1
| CAS No. | 951886-74-1 |
| Molecular Formula | C18H19FO |
| Molecular Weight | 270.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (4-(Tert-butyl)phenyl)(4-fluoro-3-methylphenyl)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.
(4-(Tert-butyl)phenyl)(4-fluoro-3-methylphenyl)methanone (CAS 951886-74-1), molecular formula C18H19FO and molecular weight 270.34 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H19FO, (4-(Tert-butyl)phenyl)(4-fluoro-3-methylphenyl)methanone contains a steroid core, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 270.34 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 | C18H19FO |
| Molecular Weight | 270.34 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
Recommended Standards
- (4-(Tert-butyl)phenyl)(3-fluoro-4-methylphenyl)methanone (CAS 951886-36-5)
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- (S)-3-((tert-Butoxycarbonyl)amino)-2-(4-methylphenylsulfonamido)propanoic acid (CAS 16947-86-7)
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