| CAS No. | 444151-88-6 |
| Molecular Formula | C18H16ClF4N3O |
| Molecular Weight | 401.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 401.79 g/mol gives 2-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-1-[4-(4-fluorophenyl)piperazin-1-yl]ethan-1-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies 2-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-1-[4-(4-fluorophenyl)piperazin-1-yl]ethan-1-one (CAS 444151-88-6), a certified reference material (molecular formula C18H16ClF4N3O, MW 401.79 g/mol) for analytical method development and quality control.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, 2-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-1-[4-(4-fluorophenyl)piperazin-1-yl]ethan-1-one is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 401.79 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
As a certified reference material (CRM), 2-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-1-[4-(4-fluorophenyl)piperazin-1-yl]ethan-1-one 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.
| Molecular Formula | C18H16ClF4N3O |
| Molecular Weight | 401.79 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 |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |