5-Chloro-2-(4-fluorophenyl)-4-(4-methoxyphenoxy)pyridazin-3(2H)-one CAS 478049-35-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 478049-35-3 |
| Molecular Formula | C17H12ClFN2O3 |
| Molecular Weight | 346.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chloro-2-(4-fluorophenyl)-4-(4-methoxyphenoxy)pyridazin-3(2H)-one (CAS 478049-35-3) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C17H12ClFN2O3. Molecular weight: 346.74 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C17H12ClFN2O3 |
| Molecular Weight | 346.74 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- (2E)-1-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-3-cyclopropyl-2-[(dimethylamino)methylidene]propane-1,3-dione (CAS 155376-87-7)
- 6-Chloro-N-(5-methyl-1H-pyrazol-3-yl)-2-(4-nitrophenoxy)pyrimidin-4-amine (CAS 1644443-47-9)
- Methyl 4-(4-(4-Chloro-3-methylphenoxy)phenyl)-2,4-dioxobutanoate (CAS 1159980-99-0)
- 1556699-61-6 3-[(4-Chloro-6-fluoroquinolin-3-yl)sulfonyl]benzonitrile MFCD22549253 (CAS 1556699-61-6)
- 3-[(E)-2-[(5-Chloro-2-hydroxyphenyl)amino]-1-nitroethenyl]-1,3-dihydro-2-benzofuran-1-one (CAS 320420-38-0)
- 3-Chloro-6-((3-(trifluoromethyl)phenyl)sulfinyl)-[1,2,4]triazolo[4,3-b]pyridazine (CAS 303996-28-3)
- 4-[4-(4-Chloro-phenoxy)-phenyl]-2,4-dioxo-butyric acid ethyl ester (CAS 74649-80-2)
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Recommended Standards
- Bromodiiodomethane (CAS 557-95-9)
- Dacomitinib Impurity 26 (CAS CATO-C4X-208626)
- 3-{[(4-chlorophenyl)methyl]sulfanyl}-5-(trifluoromethyl)pyridine-2-carboxamide (CAS 338406-83-0)
- 2-(4-Ethylphenyl)benzo[d]oxazole (CAS 37135-35-6)
- 2-Chloro-3-fluoropyridine 1-oxide (CAS 85386-94-3)
- 1-(2-Bromophenyl)-2-((3-hydroxypropyl)thio)ethan-1-one (CAS 1496438-71-1)
- 2-Butoxy-3-methoxybenzaldehyde (CAS 65712-73-4)
- 7-Fluoro-6-nitro-1,2,3,4-tetrahydroquinolin-2-one (CAS 1146289-84-0)
- 1-(1-(4-Fluorobenzyl)-1H-pyrrol-2-yl)ethanone (CAS 251924-61-5)
- Akt/SKG Substrate Peptide (CAS 276680-69-4)
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