4-Bromo-5-(bromomethyl)-1-methyl-2-phenyl-1H-pyrazol-3(2H)-one CAS 5767-66-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 5767-66-8 |
| Molecular Formula | C11H10Br2N2O |
| Molecular Weight | 346.02 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-5-(bromomethyl)-1-methyl-2-phenyl-1H-pyrazol-3(2H)-one (CAS 5767-66-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C11H10Br2N2O. Molecular weight: 346.02 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C11H10Br2N2O |
| Molecular Weight | 346.02 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-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.) | 1958 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
- 2-Bromo-1-(6-(3,4-dichlorophenyl)pyrimidin-4-yl)ethanone (CAS 1319158-63-8)
- 2-Bromo-4-(tert-butyl)-5-iodothiazole (CAS 2656382-14-6)
- 5-Bromo-N-(2,4-dichlorophenyl)nicotinamide (CAS 320742-29-8)
- (3-Bromo-5-chloro-2-hydroxyphenyl)(2-chlorophenyl)methanone (CAS 332104-57-1)
- 6-Bromo-3-(2-bromoacetyl)-2H-chromen-2-one (CAS 106578-01-2)
- 4-Bromo-3-(4-bromophenyl)-1h-pyrazole-5-carboxylic acid (CAS 1319131-87-7)
- 4-Bromo-5-(3-bromophenyl)-1h-pyrazole-3-carboxylic acid (CAS 1350454-01-1)
- 2-(2-Bromo-6-fluoro-3-nitrophenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (CAS 2377611-63-5)
Recommended Standards
- 4,5-Dibromo-1-(methoxymethyl)-2-phenyl-1H-imidazole (CAS 159589-94-3)
- 3,5-Bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenol (CAS 1252690-57-5)
- 2,6-Dibromoheptanedioic acid dimethyl ester 868-73-5 Dimethyl 2,6-dibromoheptanedioate (CAS 868-73-5)
- 3-(7-Bromo-1H-indol-3-yl)-2-((tert-butoxycarbonyl)amino)propanoic acid (CAS 1219432-58-2)
- Methyl (2R,3S)-3-aminobicyclo[2.2.2]Octane-2-carboxylate (CAS 1071523-78-8)
- rel-(1S,2S,5R)-3-tert-butoxycarbonyl-3-azabicyclo[3.1.0]hexane-2-carboxylic acid (CAS 72448-25-0)
- Terramide B (CAS 104187-49-7)
- 2,5-Dioxopyrrolidin-1-yl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate (CAS 377780-81-9)
- 5-Bromo-6-(dimethylamino)-2-methylpyrimidin-4(3H)-one (CAS 1135283-29-2)
- Semaglutide impurity 208 (CAS CATO-C4X-2226208)
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