4-Bromo-3-(2,4-dichlorophenyl)-1-methyl-1H-pyrazole CAS 133112-51-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 133112-51-3 |
| Molecular Formula | C10H7BrCl2N2 |
| Molecular Weight | 305.99 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Bromo-3-(2,4-dichlorophenyl)-1-methyl-1H-pyrazole (CAS 133112-51-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C10H7BrCl2N2. Molecular weight: 305.99 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C10H7BrCl2N2 |
| Molecular Weight | 305.99 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- ((2R,3S,4R,5R)-5-(5-Amino-1H-imidazol-1-yl)-3,4-dihydroxytetrahydrofuran-2-yl)methyl dihydrogen phosphate (CAS 25635-88-5)
- 2-Cyclohexyl-N-(1-(3-(thiophen-2-yl)-1H-pyrazole-5-carbonyl)piperidin-4-yl)acetamide (CAS 1324011-72-4)
- N-(1,1-Dioxidotetrahydrothiophen-3-yl)-N-methyl-2-oxo-2H-chromene-3-carboxamide (CAS 515126-03-1)
- Met(O)14-Exenatide trifluoroacetate salt (CAS 1678417-38-3)
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