4-Bromo-3-(4-bromophenyl)-5-methyl-1H-pyrazole CAS 1239232-79-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1239232-79-1 |
| Molecular Formula | C10H12Br2N2 |
| Molecular Weight | 320.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Description
4-Bromo-3-(4-bromophenyl)-5-methyl-1H-pyrazole (CAS 1239232-79-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H12Br2N2. Molecular weight: 320.02 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H12Br2N2 |
| Molecular Weight | 320.02 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
- 6,6-Dibromooctahydro-1,3,5-(epimethanetriyl)cyclopenta[cd]pentalen-1(2h)-ol (CAS 120698-52-4)
- 1-(3,5-Dibromophenyl)piperazine (CAS 1121610-24-9)
- 4-(1,3-dibromopropan-2-yl)-1,1-difluorocyclohexane (CAS 2171810-35-6)
- Ethyl 1-methyl-1,4,5,6-tetrahydrocyclopenta[b]pyrrole-2-carboxylate (CAS 19397-75-2)
- 5-(chloromethyl)benzofuran (CAS 37798-07-5)
- Samarium(III) Carbonate Hydrate (CAS 38245-37-3)
- Azetidin-1-amine dihydrochloride (CAS 2060060-67-3)
- Methyl 2,6-difluoro-4-(trifluoromethoxy)benzoate (CAS 2267343-62-2)
- 6-Hydroxy-7-methylbenzo[d][1,3]dioxole-5-carbaldehyde (CAS 187040-04-6)
- Protein Kinase C (19-36) Peptide (CAS 113731-96-7)
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