6-Ethoxy-3-(4-methoxyphenyl)-4-methyl-2H-chromen-2-one CAS 263365-03-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 263365-03-3 |
| Molecular Formula | C19H18O4 |
| Molecular Weight | 310.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 6-Ethoxy-3-(4-methoxyphenyl)-4-methyl-2H-chromen-2-one (CAS 263365-03-3) pharmaceutical standards reference standard. Molecular formula: C19H18O4. Molecular weight: 310.34 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C19H18O4 |
| Molecular Weight | 310.34 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
Related Ethoxy Standards
- 7-Ethoxy-3-(4-methoxyphenyl)-4-methyl-2H-chromen-2-one (CAS 263364-88-1)
- 2-Ethoxy-N-(1-oxo-1,2,3,4-tetrahydroisoquinolin-7-yl)benzamide (CAS 1351616-85-7)
- 3-(4-Ethoxy-3-fluorophenyl)-1-phenyl-1H-pyrazole-4-carbaldehyde (CAS 1234692-05-7)
- 2-(4-ethoxy-3-methoxyphenyl)-2-(1H-indol-3-yl)ethanamine (CAS 848369-57-3)
- 2-Ethoxy-N-[3-(trifluoromethyl)phenyl]pyridine-3-carboxamide (CAS 866019-08-1)
- 3-(4-(4-Ethoxy-2-methylphenyl)thiazol-2-yl)aniline (CAS 1416344-70-1)
- 1-Ethoxy-2,3-difluoro-4-(trans-4-pentylcyclohexyl)benzene (CAS 124729-02-8)
- 7-Ethoxy-2,4-bis(trifluoromethyl)-1,8-naphthyridine (CAS 339026-22-1)
Recommended Standards
- 6,7-Dimethoxy-2-phenethyl-4H-chromen-4-one (CAS 84294-87-1)
- 6-Methoxy-2-[2-(3'-methoxyphenyl)ethyl]chromone (CAS 84294-88-2)
- 5,6-Dimethoxy-2-[(4-methoxyphenyl)methylidene]-2,3-dihydro-1H-inden-1-one (CAS 222965-37-9)
- Thieno[2,3-b]quinoxaline (CAS 54101-62-1)
- 1-(3-Fluoro-5-iodophenyl)pyrolidine (CAS 2121513-22-0)
- methyl 8-(aminomethyl)-5,6,7,8-tetrahydronaphthalene-2-carboxylate hydrochloride (CAS 130532-65-9)
- (6-Chloro-2-(difluoromethyl)-3-nitropyridin-4-yl)methanamine (CAS 1806936-25-3)
- tert-Butyl 2-(aminomethyl)-1-oxa-8-azaspiro[4.5]decane-8-carboxylate hydrochloride (CAS 2173991-97-2)
- 4-(4-Carboxyphenyl)picolinic acid (CAS 914207-73-1)
- Characteristic MSH-Tetrapeptide (CAS 4289-02-5)
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