(4Z)-1-(4-Chlorophenyl)-3-ethoxy-4-({[3-(trifluoromethyl)phenyl]amino}methylidene)-4,5-dihydro-1H-pyrazol-5-one CAS 338751-18-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 338751-18-1 |
| Molecular Formula | C19H15ClF3N3O2 |
| Molecular Weight | 409.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (4Z)-1-(4-Chlorophenyl)-3-ethoxy-4-({[3-(trifluoromethyl)phenyl]amino}methylidene)-4,5-dihydro-1H-pyrazol-5-one (CAS 338751-18-1), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C19H15ClF3N3O2. Molecular weight: 409.79 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C19H15ClF3N3O2 |
| Molecular Weight | 409.79 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 |
Related Z Standards
- 3-(2-Chlorophenyl)-N-{[3-(4-methoxyphenyl)-1,2-oxazol-5-yl]methyl}-1,2-oxazole-5-carboxamide (CAS 338750-11-1)
- 1,1-Bis(4-chlorophenyl)-2-((4-chlorophenyl)thio)ethanol (CAS 252026-54-3)
- 1,1-Bis(4-chlorophenyl)-2-[(2-chlorophenyl)sulfanyl]ethan-1-ol (CAS 252026-72-5)
- 6-[1-(3-Chlorophenyl)-1H-pyrazol-5-yl]-2-(3-methoxyphenyl)-4-methyl-2,3,4,5-tetrahydro-1,2,4-triazine-3,5-dione (CAS 321538-33-4)
- 1-(4-Chlorophenyl)-2,6-dioxo-N-(3-(trifluoromethyl)phenyl)-1,2,3,6-tetrahydropyrimidine-4-carboxamide (CAS 861212-24-0)
- 3-(4-Chlorophenyl)-5,6-bis(furan-2-yl)-4-imino-1H,2H,3H,4H-furo[2,3-d]pyrimidine-2-thione (CAS 685106-51-8)
- 3-(2-((4-Chlorophenyl)sulfonamido)phenoxy)thiophene-2-carboxylic acid (CAS 900019-15-0)
- 3-(4-((4-Chlorophenyl)sulfonamido)phenoxy)thiophene-2-carboxylic acid (CAS 882747-65-1)
Recommended Standards
- 4-Chloro-6-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-7-((2-(trimethylsilyl)ethoxy)methyl)-7H-pyrrolo[2,3-d]pyrimidine (CAS 1830311-70-0)
- 1,3-Diethyl 2-{[(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)amino]methylidene}propanedioate (CAS 337920-38-4)
- Ethyl 2-((2-(3-chloro-5-(trifluoromethyl)pyridin-2-yl)-5-fluoro-6-methylpyrimidin-4-yl)thio)acetate (CAS 1823183-41-0)
- 1-(4-Iodobenzyl)-1H-pyrazole (CAS 143128-30-7)
- 2,3-Difluoro-5-(trifluoromethoxy)benzodifluoride (CAS 1806372-49-5)
- 3-{[(Furan-2-ylmethyl)-amino]-methyl}-7-methyl-1H-quinolin-2-one (CAS 333411-66-8)
- (2-bromoethyl)dipropylamine hydrobromide (CAS 22511-39-3)
- 2-(Chloromethyl)-4,5-dimethyl-3,6-dihydro-2h-pyran (CAS 98559-77-4)
- 4-ethyl-3-methyl-4H-1,2,4-triazole (CAS 59781-02-1)
- (D-Trp32)-Neuropeptide Y (porcine) trifluoroacetate salt (CAS 153549-78-1)
Why CATO?
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