1-(4-Bromo-3-methylphenyl)-1H-pyrazole CAS 858523-45-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 858523-45-2 |
| Molecular Formula | C10H9BrN2 |
| Molecular Weight | 237.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 1-(4-Bromo-3-methylphenyl)-1H-pyrazole (CAS 858523-45-2) pharmaceutical standards reference standard. Molecular formula: C10H9BrN2. Molecular weight: 237.10 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C10H9BrN2 |
| Molecular Weight | 237.10 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
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- 4-Bromo-1-methyl-5-phenyl-1H-pyrazole (CAS 105994-77-2)
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Recommended Standards
- 1-(3-Bromophenyl)-3-methyl-1H-pyrazole (CAS 70583-75-4)
- 1-(4-Bromobenzyl)imidazole (CAS 72459-46-2)
- 1-(3-Bromobenzyl)-1H-imidazole (CAS 72459-47-3)
- tert-Butyl (2-((S)-2-aminopropanamido)cyclohexyl)carbamate (CAS 1354025-85-6)
- 4-(Aminomethyl)-N-methylbenzamide (CAS 164648-64-0)
- n-(2-Iodophenyl)-5-methylfuran-2-carboxamide (CAS 717873-37-5)
- 2-(Cyclobutanecarboxamido)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carboxamide (CAS 612829-80-8)
- (3-(4-Fluorophenyl)-1-(m-tolyl)-1H-pyrazol-4-yl)methanol (CAS 618444-56-7)
- 2-(3-(Tert-butyl)phenoxy)benzaldehyde (CAS 1099155-41-5)
- Semaglutide impurity 91 (CAS CATO-C4X-222691)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com