2-(4-Hydroxy-3-methoxyphenyl)-5,7-dimethoxy-4H-chromen-4-one CAS 1239-68-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1239-68-5 |
| Molecular Formula | C18H16O6 |
| Molecular Weight | 328.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2-(4-Hydroxy-3-methoxyphenyl)-5,7-dimethoxy-4H-chromen-4-one (CAS 1239-68-5) pharmaceutical standards reference standard. Molecular formula: C18H16O6. Molecular weight: 328.32 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C18H16O6 |
| Molecular Weight | 328.32 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 methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1957 |
Related Hydroxy Standards
- 3-Hydroxy-7,8,3'-trimethoxyflavone (CAS 1017060-12-6)
- (2Z)-6-Hydroxy-2-(2,3,4-trimethoxybenzylidene)-1-benzofuran-3(2H)-one (CAS 1638956-60-1)
- 3-Hydroxy-2-(naphtho[2,1-b]furan-2-yl)-4H-chromen-4-one (CAS 353497-65-1)
- 3'-Hydroxy-5,7,4'-trimethoxyflavone (CAS 33554-52-8)
- 3-Hydroxy-7,8-dimethoxy-2-(4-methoxyphenyl)-4H-chromen-4-one (CAS 57499-06-6)
- 5-Hydroxy-3',4',7-trimethoxyflavone (CAS 29080-58-8)
- 6-Hydroxy-2-[(2,3,4-trimethoxyphenyl)methylidene]-2,3-dihydro-1-benzofuran-3-one (CAS 256531-53-0)
- 6-Hydroxy-2-[(2,4,5-trimethoxyphenyl)methylidene]-2,3-dihydro-1-benzofuran-3-one (CAS 256531-54-1)
Recommended Standards
- Methyl 1-(4-methoxybenzyl)-2-oxo-2,3-dihydro-1h-pyrido[2,3-b][1,4]oxazine-6-carboxylate (CAS 1203499-28-8)
- 1-(2-Methoxyethoxy)-N-(5-oxo-4,5-dihydro-1H-imidazol-2-yl)isoquinoline-3-carboxamide (CAS 1252313-69-1)
- (2R,3S,5R)-2-(Hydroxymethyl)-5-(6-phenoxy-9H-purin-9-yl)tetrahydrofuran-3-ol (CAS 114485-36-8)
- Ethyl 2-chloro-5-(trifluoromethoxy)benzoate (CAS 1261619-29-7)
- N,N-Diethyl-4-(piperidine-1-carbonyl)benzenesulfonamide (CAS 433314-05-7)
- N2-(pyridin-4-ylmethyl)pyridine-2,3-diamine (CAS 1040316-08-2)
- 2-(Difluoromethyl)-6-hydroxypyridine-3-sulfonamide (CAS 1805322-33-1)
- (3-Bromo-4-(trifluoromethoxy)phenyl)methanamine (CAS 1699274-98-0)
- 4-(1-(tert-Butoxycarbonyl)pyrrolidin-2-yl)-2-fluorobenzoic acid (CAS 1187931-34-5)
- Cholecystokinin Octapeptide (1-5) (desulfated) (CAS 121880-96-4)
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