4-bromo-3,5-bis(2-methylphenyl)-1h-pyraZole CAS 1238259-91-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1238259-91-0 |
| Molecular Formula | C17H15BrN2 |
| Molecular Weight | 327.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-bromo-3,5-bis(2-methylphenyl)-1h-pyraZole (CAS 1238259-91-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H15BrN2. Molecular weight: 327.22 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H15BrN2 |
| Molecular Weight | 327.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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.) | 1990 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
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