Ethyl 4-bromo-1-(2-chlorophenyl)-5-(4-chlorophenyl)-1H-pyrazole-3-carboxylate CAS 851728-84-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 851728-84-2 |
| Molecular Formula | C18H13BrCl2N2O2 |
| Molecular Weight | 440.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Ethyl 4-bromo-1-(2-chlorophenyl)-5-(4-chlorophenyl)-1H-pyrazole-3-carboxylate (CAS 851728-84-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C18H13BrCl2N2O2. Molecular weight: 440.12 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C18H13BrCl2N2O2 |
| Molecular Weight | 440.12 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.) | 1987 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 2 |
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- 1-(4-(Tert-butyl)benzyl)-1H-imidazole-4,5-dicarbonitrile (CAS 439108-70-0)
- 5,6-Dichloro-2-(chloromethyl)-1H-benzo[d]imidazole (CAS 39811-03-5)
- Tetrakis(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)methane (CAS 875772-13-7)
- 4-Bromo-3-methylisothiazole-5-carbaldehyde (CAS 89283-96-5)
- Liraglutide Impurity 18 TFA Salt (CAS CATO-C4X-199218)
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