(4E)-4-{[(4-chlorophenyl)amino]methylidene}-1-[4-(trifluoromethoxy)phenyl]-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-5-one CAS 338403-24-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 338403-24-0 |
| Molecular Formula | C18H10ClF6N3O2 |
| Molecular Weight | 449.73 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity (4E)-4-{[(4-chlorophenyl)amino]methylidene}-1-[4-(trifluoromethoxy)phenyl]-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-5-one (CAS 338403-24-0) pharmaceutical standards reference standard. Molecular formula: C18H10ClF6N3O2. Molecular weight: 449.73 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C18H10ClF6N3O2 |
| Molecular Weight | 449.73 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
- (2E)-3-(6-Bromo-2H-1,3-benzodioxol-5-yl)-1-[4-(4-chlorophenyl)piperazin-1-yl]prop-2-en-1-one (CAS 478078-52-3)
- (3Z,6E)-5-(4-Chlorobenzenesulfonyl)-9-(2,4-dichlorophenyl)-2,8-dioxa-3,7-diazanona-3,6-diene (CAS 338395-35-0)
- Parogrelil (CAS 139145-27-0)
- 1-(4-{4-[5-(4-methoxyphenyl)-1H-pyrazol-3-yl]piperidin-1-yl}-3-nitrophenyl)ethan-1-one (CAS 1026092-88-5)
- Methyl 2-Acetoxy-3-chloropropanoate (CAS 78626-45-6)
- Dapagliflozin Impurity 3 (CAS CATO-C4X-11383)
- 4-Formylnaphthalene-1-carboxylic acid (CAS 219685-15-1)
- Nintedanib Impurity 188 (CAS 2676997-47-8)
- diethyl 2-(benzylamino)succinate (CAS 746551-67-7)
- Anti-TF Antigen Peptide P30-1 trifluoroacetate salt (CAS 573664-50-3)
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