5-(3-(Trifluoromethoxy)phenyl)-1-(4-(trifluoromethyl)phenyl)pyrrolidine-2,3-dione CAS 1031721-49-9
| CAS No. | 1031721-49-9 |
| Molecular Formula | C18H11F6NO3 |
| Molecular Weight | 403.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 5-(3-(Trifluoromethoxy)phenyl)-1-(4-(trifluoromethyl)phenyl)pyrrolidine-2,3-dione 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.
5-(3-(Trifluoromethoxy)phenyl)-1-(4-(trifluoromethyl)phenyl)pyrrolidine-2,3-dione (CAS 1031721-49-9), molecular formula C18H11F6NO3 and molecular weight 403.28 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H11F6NO3, 5-(3-(Trifluoromethoxy)phenyl)-1-(4-(trifluoromethyl)phenyl)pyrrolidine-2,3-dione contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 403.28 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).
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.
Physical & Chemical Properties
| Molecular Formula | C18H11F6NO3 |
| Molecular Weight | 403.28 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Trifluoromethoxy Standards
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