2-(3,4-Dimethoxyphenyl)-3-hydroxy-8-methyl-4H-chromen-4-one CAS 1313738-73-6
| CAS No. | 1313738-73-6 |
| Molecular Formula | C18H16O5 |
| Molecular Weight | 312.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(3,4-Dimethoxyphenyl)-3-hydroxy-8-methyl-4H-chromen-4-one (CAS 1313738-73-6) is a high-purity analytical reference standard with the molecular formula C18H16O5 and a molecular weight of 312.32 g/mol.
2-(3,4-Dimethoxyphenyl)-3-hydroxy-8-methyl-4H-chromen-4-one (C18H16O5) contains a flavonoid core, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 2-(3,4-Dimethoxyphenyl)-3-hydroxy-8-methyl-4H-chromen-4-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C18H16O5 |
| Molecular Weight | 312.32 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.) | 1990 |
Related Dimethoxyphenyl Standards
- 6-(2,4-Dimethoxyphenyl)-7-methyl-[1,3]dioxolo[4,5-f]benzofuran (CAS 116310-57-7)
- (E)-4-(3-(3,4-Dimethoxyphenyl)-3-oxoprop-1-en-1-yl)benzoic acid (CAS 119568-10-4)
- 3-(3’,4’-Dimethoxyphenyl)-7-methoxycoumarin (CAS 127073-90-9)
- (E)-4-(3-(2,4-Dimethoxyphenyl)-3-oxoprop-1-en-1-yl)benzoic acid (CAS 1638521-29-5)
- 1-(2,5-Dimethoxyphenyl)-2-methyl-1H-benzo[d]imidazole-5-carboxylic acid (CAS 442531-50-2)
- 2-(2,4-Dimethoxyphenyl)-6-methoxychroman-4-one (CAS 720675-90-1)
- 2-(3,4-Dimethoxyphenyl)-3-hydroxy-6-methyl-4H-1-benzopyran-4-one (CAS 93097-20-2)
- 3-(3,4-Dimethoxyphenyl)-1-methylquinazoline-2,4(1H,3H)-dione (CAS 531504-03-7)
Recommended Standards
- 5,8-Dihydroxy-2-(4-methoxyphenethyl)-4H-chromen-4-one (CAS 128922-70-3)
- 2-(3,4-Dihydroxyphenyl)-3-hydroxy-6-propyl-4H-chromen-4-one (CAS 1313738-79-2)
- Sachaliside (CAS 132294-76-9)
- (4'-Hydroxy-3'-nitro-[1,1'-biphenyl]-2-yl)(pyrrolidin-3-yl)methanone (CAS 1262003-87-1)
- (2R)-2-Isopropyl-3,6-dimethoxy-5-methyl-2,5-dihydropyrazine (CAS 207923-14-6)
- 4-Methyl-N-(2-oxo-1,2-dihydropyrimidin-4-yl)benzenesulfonamide (CAS 114072-05-8)
- N1-(2-(Dimethylamino)ethyl)-N2,N2-dimethylethane-1,2-diamine (CAS 40538-81-6)
- 2-Methyl-[1,1'-biphenyl]-4-carbaldehyde (CAS 1256468-34-4)
- Trimethyl-d9-sulfonium Iodide (CAS 106776-17-4)
- N-Neopentylpiperidine-4-amine dihydrochloride (CAS 1233958-35-4)
- (R)-2-(3-(Benzyl(cyclopropyl)amino)piperidin-1-yl)acetic acid (CAS 1354015-76-1)
- 4-Ethoxy-2,3-difluorobenzenesulfonyl chloride (CAS 293299-90-8)
- trans-1-(Bromomethyl)-1-fluoro-2-methylcyclohexane (CAS 170961-58-7)
- Semaglutide impurity 289 (CAS CATO-C4X-2226289)
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