(5-Chloro-1-methyl-3-phenyl-1H-pyrazol-4-yl)methyl 4-bromobenzoate CAS 318248-35-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 318248-35-0 |
| Molecular Formula | C18H14BrClN2O2 |
| Molecular Weight | 405.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(5-Chloro-1-methyl-3-phenyl-1H-pyrazol-4-yl)methyl 4-bromobenzoate (CAS 318248-35-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H14BrClN2O2. Molecular weight: 405.67 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H14BrClN2O2 |
| Molecular Weight | 405.67 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 | Cl/Br-containing |
| Nitrogen Atoms | 2 |
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