4-Bromo-5-phenethoxy-2-(pyridin-4-ylmethyl)pyridazin-3(2H)-one CAS 565157-34-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 565157-34-8 |
| Molecular Formula | C18H16BrN3O2 |
| Molecular Weight | 386.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-5-phenethoxy-2-(pyridin-4-ylmethyl)pyridazin-3(2H)-one (CAS 565157-34-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C18H16BrN3O2. Molecular weight: 386.24 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C18H16BrN3O2 |
| Molecular Weight | 386.24 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 3 |
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Recommended Standards
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- 2-Cyano-4-fluoro-3-methylbenzoic acid (CAS 1807173-72-3)
- diphenyl diselenide (CAS 1666-13-3)
- Methyl 3-(4-chloro-2-fluorophenyl)propiolate (CAS 1339691-51-8)
- 4-Cyclopentylbut-2-enal (CAS 5662-91-9)
- Hydrocortamate (CAS 76-47-1)
- Tirzepatide Impurity 37 (CAS CATO-C4X-324037)
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