2-(2,3-Dimethoxyphenyl)-4-oxo-4H-chromen-3-yl acetate CAS 331459-70-2
| CAS No. | 331459-70-2 |
| Molecular Formula | C19H16O6 |
| Molecular Weight | 340.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-(2,3-Dimethoxyphenyl)-4-oxo-4H-chromen-3-yl acetate is closely related to a flavonoid core, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 2-(2,3-Dimethoxyphenyl)-4-oxo-4H-chromen-3-yl acetate (CAS 331459-70-2), a certified reference material (molecular formula C19H16O6, MW 340.33 g/mol) for analytical method development and quality control.
The molecular framework of 2-(2,3-Dimethoxyphenyl)-4-oxo-4H-chromen-3-yl acetate (C19H16O6) is characterized by a flavonoid core, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 2-(2,3-Dimethoxyphenyl)-4-oxo-4H-chromen-3-yl acetate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C19H16O6 |
| Molecular Weight | 340.33 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
Related Dimethoxyphenyl Standards
- 3-(3,4-Dimethoxyphenyl)-2-oxo-2H-chromen-7-yl acetate (CAS 6296-57-7)
- 3-(3,4-Dimethoxyphenyl)-1-(2-fluorobenzyl)-1H-pyrazole-4-carbaldehyde (CAS 1006479-94-2)
- 3-(3,4-Dimethoxyphenyl)-1-(4-fluorobenzyl)-1H-pyrazole-4-carbaldehyde (CAS 1006479-97-5)
- 6-(3,4-Dimethoxyphenyl)-2-(3-fluorobenzyl)pyridazin-3(2H)-one (CAS 899946-56-6)
- (2E)-2-{[(3,4-dimethoxyphenyl)amino]methylidene}-3-oxo-N-phenylbutanamide (CAS 1025630-40-3)
- 3,5-Bis(3,4-dimethoxyphenyl)-1H-pyrazole (CAS 1159937-09-3)
- 3,5-Bis(2,4-dimethoxyphenyl)-1H-pyrazole (CAS 1228933-23-0)
- 3-(((3,4-Dimethoxyphenyl)amino)methyl)-7-methoxyquinolin-2(1H)-one (CAS 947020-04-4)
Recommended Standards
- 2-(1H-Imidazo[4,5-f][1,10]phenanthrolin-2-yl)benzoic acid (CAS 552843-44-4)
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- 2-((4-(4-Methoxyphenyl)-8-methyl-2-oxo-2h-chromen-7-yl)oxy)acetic acid (CAS 384362-18-9)
- 2-(2,6-dioxo-3-piperidyl)-4-pent-4-ynoxy-isoindoline-1,3-dione (CAS 2568279-75-2)
- 2-Fluoro-3-(3-fluorophenyl)-6-(trifluoromethyl)pyridine (CAS 1214355-72-2)
- 4,7-Dibromo-5,6-difluorobenzo[c][1,2,5]selenadiazole (CAS 1455435-88-7)
- 3-Chloro-5-methoxy-4-(propan-2-yloxy)benzonitrile (CAS 855715-19-4)
- ethyl 4-acetyl-2-[(chloroacetyl)amino]-5-methyl-3-furoate (CAS 795290-93-6)
- 2-Chloro-1,5,6-trimethylimidazo [4,5-b] pyridine (CAS 887354-13-4)
- 1-[(5-ethyl-1,2,4-oxadiazol-3-yl)methyl]piperidin-3-amine (CAS 1248149-80-5)
- Lovastatin EP Impurity B (CAS 75225-51-3)
- 3-Chloro-5-(pyridin-3-yl)isothiazole-4-carbonitrile (CAS 1239741-20-8)
- 3-(2-(2-(2-Aminoethoxy)ethoxy)ethoxy)propanoic Acid (CAS 784105-33-5)
- Des-Ala35-Tirzepatide (CAS CATO-CPTD788939)
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