Ethyl 2-amino-4-(2,5-dichlorophenyl)-6-(hydroxymethyl)-8-oxo-4,8-dihydropyrano[3,2-b]pyran-3-carboxylate CAS 898921-46-5
| CAS No. | 898921-46-5 |
| Molecular Formula | C18H15Cl2NO6 |
| Molecular Weight | 412.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
CATO supplies Ethyl 2-amino-4-(2,5-dichlorophenyl)-6-(hydroxymethyl)-8-oxo-4,8-dihydropyrano[3,2-b]pyran-3-carboxylate (CAS 898921-46-5), a certified reference material (molecular formula C18H15Cl2NO6, MW 412.22 g/mol) for analytical method development and quality control.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, Ethyl 2-amino-4-(2,5-dichlorophenyl)-6-(hydroxymethyl)-8-oxo-4,8-dihydropyrano[3,2-b]pyran-3-carboxylate is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 412.22 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H15Cl2NO6 |
| Molecular Weight | 412.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Ethyl Standards
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Recommended Standards
- 3-Ethoxy-5-iodo-4-((4-methylbenzyl)oxy)benzoic acid (CAS 1706444-23-6)
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- Aceclofenac EP Impurity G (CAS 1215709-75-3)
- Methyl 4-(benzyloxy)-3-ethoxy-5-iodobenzoate (CAS 1628745-88-9)
- 2-((Isopropylamino)methyl)benzonitrile (CAS 1016705-80-8)
- 2-{[(tert-butoxy)carbonyl]amino}-5-cyanopentanoic acid (CAS 1822534-79-1)
- (2R,4R)-4-Isopropyl-2-(p-tolyl)-4,5-dihydro-1,2,3-oxathiazole 2-oxide (CAS 170900-87-5)
- N-(8-Hydroxyquinolin-5-yl)acetamide (CAS 65618-64-6)
- 4-(Benzyloxy)-3,5-dichlorobenzonitrile (CAS 120110-61-4)
- N-(2-Methoxyethyl)ethylamine (CAS 34322-82-2)
- 2,3-Dimethyl-4-oxo-4,5-dihydrofuro[3,2-c]pyridine-7-carboxylic acid (CAS 1956321-41-7)
- 3-(2,5-Dimethoxyphenyl)-N-(3-methoxyphenyl)-2-(2H-1,2,3,4-tetrazol-5-yl)propanamide (CAS 732259-60-8)
- 2-(Hydrazinecarbonyl)-N-methyl-4-phenyl-N-(p-tolyl)thiophene-3-sulfonamide (CAS 931965-73-0)
- Liraglutide Impurity 22 (CAS 536721-25-2)
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