| CAS No. | 477850-66-1 |
| Molecular Formula | C18H14F3N3O |
| Molecular Weight | 345.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 3-Phenyl-4-[({[3-(trifluoromethyl)phenyl]methyl}amino)methylidene]-4,5-dihydro-1H-pyrazol-5-one.
3-Phenyl-4-[({[3-(trifluoromethyl)phenyl]methyl}amino)methylidene]-4,5-dihydro-1H-pyrazol-5-one (CAS 477850-66-1), molecular formula C18H14F3N3O and molecular weight 345.32 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H14F3N3O, 3-Phenyl-4-[({[3-(trifluoromethyl)phenyl]methyl}amino)methylidene]-4,5-dihydro-1H-pyrazol-5-one 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 345.32 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), 3-Phenyl-4-[({[3-(trifluoromethyl)phenyl]methyl}amino)methylidene]-4,5-dihydro-1H-pyrazol-5-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 | C18H14F3N3O |
| Molecular Weight | 345.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |