4-{[(3-chlorophenyl)amino]methylidene}-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-5-one CAS 339020-98-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 339020-98-3 |
| Molecular Formula | C11H7ClF3N3O |
| Molecular Weight | 289.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-{[(3-chlorophenyl)amino]methylidene}-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-5-one (CAS 339020-98-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C11H7ClF3N3O. Molecular weight: 289.64 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C11H7ClF3N3O |
| Molecular Weight | 289.64 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, keep tightly closed to prevent evaporation |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
Related chlorophenyl Standards
- 4-{[(2-chlorophenyl)amino]methylidene}-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-5-one (CAS 339020-97-2)
- 4-{[(4-chlorophenyl)amino]methylidene}-3-(trifluoromethyl)-4,5-dihydro-1H-pyrazol-5-one (CAS 339020-99-4)
- 5-(4-Chlorophenyl)-2-(trifluoromethyl)furan-3-carboxamide (CAS 2197053-72-6)
- N-(4-Chlorophenyl)-6-(Trifluoromethyl)-1,3,5-Triazine-2,4-Diamine (CAS 53387-70-5)
- 2-(3-Chlorophenyl)-6-nitro-1H-benzo[d]imidazol-1-ol (CAS 303148-97-2)
- 6-(4-Chlorophenyl)-4-oxo-4,5-dihydro-[1,2,3]triazolo[1,5-a]pyrazine-3-carboxamide (CAS 1351828-67-5)
- 5-(4-Chlorophenyl)-N-(1H-1,2,4-triazol-5-yl)oxazole-2-carboxamide (CAS 1795413-01-2)
- 1-(3-Chlorophenyl)-n-(diethoxyphosphorylmethyl)methanimine (CAS 1132709-92-2)
Recommended Standards
- 3-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)phenol (CAS 95711-07-2)
- 4-Amino-5-chloro-2-(4-(trifluoromethyl)phenyl)pyridazin-3(2H)-one (CAS 923027-45-6)
- 2-Chloro-3-((2,2,2-trifluoroethyl)amino)naphthalene-1,4-dione (CAS 866008-04-0)
- N-(2,5-Dimethylphenyl)-5-oxoprolinamide (CAS 1048971-83-0)
- 1-(4-Methoxyphenethyl)-3-(2-(pyrrolidin-1-yl)-2-(thiophen-3-yl)ethyl)urea (CAS 1171585-47-9)
- Tert-butyl 4-((((benzyloxy)carbonyl)amino)methyl)-3,3-difluoropiperidine-1-carboxylate (CAS 1373503-45-7)
- 5-Hydroxy Kynuramine HydrochlorideDiscontinued, please see H961110 (CAS 4098-55-9)
- Itraconazole Didioxolanyl Analog (CAS 1864823-92-6)
- Methyl (2-fluorophenyl)glycinate (CAS 131770-98-4)
- Semaglutide impurity 29 (CAS 110990-08-4)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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