2-(3-Chlorophenyl)-4-(3,4-dichlorophenyl)-1,2-dihydro-3H-pyrazol-3-one CAS 338978-53-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 338978-53-3 |
| Molecular Formula | C15H9Cl3N2O |
| Molecular Weight | 339.60 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(3-Chlorophenyl)-4-(3,4-dichlorophenyl)-1,2-dihydro-3H-pyrazol-3-one (CAS 338978-53-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C15H9Cl3N2O. Molecular weight: 339.60 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C15H9Cl3N2O |
| Molecular Weight | 339.60 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chlorophenyl Standards
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- 2-[(4-Chlorophenyl)sulfanyl]-N'-[(1E)-(5-nitrofuran-2-yl)methylidene]acetohydrazide (CAS 329777-68-6)
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Recommended Standards
- 4-Octadecylmorpholine (CAS 16528-77-1)
- 4-Methyl-2-(2,3,4-trichlorophenyl)phthalazin-1(2H)-one (CAS 672951-11-0)
- 4-Methyl-2-(2,4,6-trichlorophenyl)phthalazin-1(2H)-one (CAS 672951-10-9)
- 1-Phenyl-3-(o-tolyl)propan-1-one (CAS 84839-91-8)
- Eburicoic acid (CAS 560-66-7)
- 1-Phenyl-4-[3-(trifluoromethyl)phenyl]-1H-pyrazol-5-amine (CAS 324008-95-9)
- Phenyl seleno-2-azido-3,4,6-tri-O-acetyl-α-D-galactopyranoside (CAS 150809-76-0)
- 1,3-Dioxo-2,3-dihydro-1h-isoindole-5-sulfonyl chloride (CAS 207844-54-0)
- 2-Bromo-6-nitrobenzenesulfonyl chloride (CAS 1261675-40-4)
- Semaglutide impurity 43 (CAS CATO-C4X-222643)
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