| CAS No. | 27808-01-1 |
| Molecular Formula | C18H17FN4O |
| Molecular Weight | 324.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 324.35 g/mol gives 4-{[4-(Dimethylamino)Phenyl]Imino}-2-(4-Fluorophenyl)-5-Methyl-2,4-Dihydro-3H-Pyrazol-3-One distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-{[4-(Dimethylamino)Phenyl]Imino}-2-(4-Fluorophenyl)-5-Methyl-2,4-Dihydro-3H-Pyrazol-3-One (CAS 27808-01-1), molecular formula C18H17FN4O and molecular weight 324.35 g/mol, is a CATO reference standard with documented purity and traceability.
4-{[4-(Dimethylamino)Phenyl]Imino}-2-(4-Fluorophenyl)-5-Methyl-2,4-Dihydro-3H-Pyrazol-3-One (C18H17FN4O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
CATO manufactures 4-{[4-(Dimethylamino)Phenyl]Imino}-2-(4-Fluorophenyl)-5-Methyl-2,4-Dihydro-3H-Pyrazol-3-One under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C18H17FN4O |
| Molecular Weight | 324.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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.) | 1964 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 4 |