3-(3,4-Dimethoxyphenyl)-2-oxo-2H-chromen-7-yl acetate CAS 6296-57-7
| CAS No. | 6296-57-7 |
| Molecular Formula | C19H16O6 |
| Molecular Weight | 340.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(3,4-Dimethoxyphenyl)-2-oxo-2H-chromen-7-yl acetate (CAS 6296-57-7), molecular formula C19H16O6 and molecular weight 340.33 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, a hydroxyl group, an ether linkage, 3-(3,4-Dimethoxyphenyl)-2-oxo-2H-chromen-7-yl acetate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 340.33 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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 3-(3,4-Dimethoxyphenyl)-2-oxo-2H-chromen-7-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.) | 1958 |
Related Dimethoxyphenyl Standards
- 2-(2,3-Dimethoxyphenyl)-4-oxo-4H-chromen-3-yl acetate (CAS 331459-70-2)
- 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
- 3-(3-(4-(2-Methoxyethoxy)phenyl)-1,2,4-oxadiazol-5-yl)benzoic acid (CAS 745055-24-7)
- 4-(1H-Imidazo[4,5-f][1,10]phenanthrolin-2-yl)benzoic acid (CAS 865169-07-9)
- 2-Amino-7-methoxy-4-(pyridin-3-yl)dibenzo[b,d]furan-1,3-dicarbonitrile (CAS 328286-70-0)
- 4-(3-Methoxyphenyl)-5-methyl-2-(4-nitrobenzyl)-2,4-dihydro-3H-1,2,4-triazol-3-one (CAS 860786-27-2)
- Dexlansoprazole 13C6 (CAS 1261394-42-6)
- 8-tert-Butyl-4-(furan-2-carbonyl)-1-oxa-4-azaspiro[4.5]decane-3-carboxylic acid (CAS 1326811-32-8)
- 1-(2-(2-Chloro-6H-indolo[2,3-b]quinoxalin-6-yl)acetyl)-4-(4-hydroxy-3-methoxybenzylidene)-3-methyl-1H-pyrazol-5(4H)-one (CAS 119457-16-8)
- 3479AF 5-Chloro-pyrrolo[2,3-b]pyridine-1-carboxylic acid tert-butyl ester 928653-82-1 C12H13ClN2O2 (CAS 928653-82-1)
- 4-(Difluoromethyl)-3-iodo-5-methoxypicolinic acid (CAS 1805508-11-5)
- 2-(1-Methyl-1h-pyrrolo[2,3-b]pyridin-3-yl)ethan-1-amine (CAS 1092309-84-6)
- 4-[(4-Fluorobenzyl)oxy]benzyl 3-nitrobenzenecarboxylate (CAS 331461-75-7)
- Methyl 2-formyl-1-methyl-1H-imidazole-5-carboxylate (CAS 944905-00-4)
- α,α＇-Dihydroxy-1,4-diisopropylbenzene (CAS 2948-46-1)
- Prolactin-Releasing Peptide (12-31) (human) (CAS 235433-36-0)
Why CATO?
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