Ethyl 1-(4-bromophenyl)-4-hydroxy-1h-pyrazole-3-carboxylate CAS 78348-13-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 78348-13-7 |
| Molecular Formula | C12H11BrN2O3 |
| Molecular Weight | 311.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 1-(4-bromophenyl)-4-hydroxy-1h-pyrazole-3-carboxylate (CAS 78348-13-7) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C12H11BrN2O3. Molecular weight: 311.13 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C12H11BrN2O3 |
| Molecular Weight | 311.13 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
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- 3-(2-(4-Bromophenyl)-2-oxoethyl)-1-methylimidazolidine-2,4-dione (CAS 1031151-09-3)
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Recommended Standards
- 6-Bromoaceanthrylene-1,2-dione (CAS 53336-66-6)
- Ethyl 2-bromo-2-(3-oxo-3,4-dihydroquinoxalin-2-yl)acetate (CAS 88051-09-6)
- 5-((4-Bromophenoxy)methyl)furan-2-carbohydrazide (CAS 438530-78-0)
- 2-Amino-3-(2,4-difluorophenyl)propan-1-ol (CAS 887588-45-6)
- 6-Chloro-1H-pyrrolo[3,2-c]pyridine-4-carbonitrile (CAS 2231675-16-2)
- Methyl 3-((tert-butoxycarbonyl)amino)piperidine-2-carboxylate (CAS 1255665-60-1)
- Beclometasone Impurity 47 (CAS CATO-C4X-147447)
- (2S,4S)-(9H-Fluoren-9-yl)methyl 4-fluoro-2-(methoxy(methyl)carbamoyl)pyrrolidine-1-carboxylate (CAS 1235447-47-8)
- methyl 4-chloro-1H-indole-2-carboxylate (CAS 230291-43-7)
- Insulin Degludec Impurity 1 (CAS 843666-26-2)
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