3-(3,4-Dimethoxyphenyl)-6-hydroxy-4-methyl-2h-chromen-2-one CAS 720674-26-0
| CAS No. | 720674-26-0 |
| Molecular Formula | C18H16O5 |
| Molecular Weight | 312.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(3,4-Dimethoxyphenyl)-6-hydroxy-4-methyl-2h-chromen-2-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 aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 3-(3,4-Dimethoxyphenyl)-6-hydroxy-4-methyl-2h-chromen-2-one (CAS 720674-26-0), a certified reference material (molecular formula C18H16O5, MW 312.32 g/mol) for analytical method development and quality control.
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), 3-(3,4-Dimethoxyphenyl)-6-hydroxy-4-methyl-2h-chromen-2-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.) | 1986 |
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)
- 2-(3,4-Dimethoxyphenyl)-3-hydroxy-8-methyl-4H-chromen-4-one (CAS 1313738-73-6)
- (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)
Recommended Standards
- 3-(3,4-Dimethoxyphenyl)-1-methylquinazoline-2,4(1H,3H)-dione (CAS 531504-03-7)
- 3-(3,4-Dimethoxy-phenyl)-7-hydroxy-2-methyl-chromen-4-one (CAS 54528-39-1)
- 3-(3-(Benzyloxy)phenyl)-5-ethoxy-1,3,4-oxadiazol-2(3H)-one (CAS 328404-08-6)
- 3-(3,4-Dimethoxyphenyl)-7-hydroxy-4-methyl-2h-chromen-2-one (CAS 548764-47-2)
- 1-(1-methyl-1H-pyrazol-3-yl)-1H-1,3-benzodiazol-2-amine (CAS 1511629-06-3)
- 2-(2,4-Dichloro-benzyl)-2H-indazole-3-carboxylic acid (CAS 123016-78-4)
- 1-(1,3-Thiazol-2-yl)piperidine-4-carboxylic acid hydrochloride (CAS 1306603-49-5)
- Grindelic acid (CAS 1438-57-9)
- Ethyl 4-(4-(benzyloxy)phenyl)-2,4-dioxobutanoate (CAS 57696-12-5)
- Rosuvastatin Impurity 126 (CAS CATO-C4X-1169126)
- 3-(3-Iodo-1H-pyrrolo[2,3-b]pyridin-5-yl)benzaldehyde (CAS 1973469-85-0)
- Tert-butyl (2-(1-aminoethyl)phenyl)carbamate (CAS 889949-41-1)
- tert-Butyl (2-(allyloxy)ethyl)carbamate (CAS 441752-75-6)
- Peptide 441 (CAS CATO-CPTD788441)
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