3-(4-Chlorophenyl)-1-(2,4-difluorophenyl)-1H-pyrazole-4-carbaldehyde CAS 618098-76-3
| CAS No. | 618098-76-3 |
| Molecular Formula | C16H9ClF2N2O |
| Molecular Weight | 318.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO supplies 3-(4-Chlorophenyl)-1-(2,4-difluorophenyl)-1H-pyrazole-4-carbaldehyde (CAS 618098-76-3), a certified reference material (molecular formula C16H9ClF2N2O, MW 318.71 g/mol) for analytical method development and quality control.
The molecular framework of 3-(4-Chlorophenyl)-1-(2,4-difluorophenyl)-1H-pyrazole-4-carbaldehyde (C16H9ClF2N2O) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C16H9ClF2N2O |
| Molecular Weight | 318.71 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.) | 1985 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
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