| CAS No. | 126335-08-8 |
| Molecular Formula | C18H15F2NO5 |
| Molecular Weight | 363.31 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 363.31 g/mol gives Ethyl 4-(2-(difluoromethoxy)phenyl)-2-methyl-5-oxo-5,7-dihydrofuro[3,4-b]pyridine-3-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl 4-(2-(difluoromethoxy)phenyl)-2-methyl-5-oxo-5,7-dihydrofuro[3,4-b]pyridine-3-carboxylate (CAS 126335-08-8), molecular formula C18H15F2NO5 and molecular weight 363.31 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H15F2NO5, Ethyl 4-(2-(difluoromethoxy)phenyl)-2-methyl-5-oxo-5,7-dihydrofuro[3,4-b]pyridine-3-carboxylate contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 363.31 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
CATO manufactures Ethyl 4-(2-(difluoromethoxy)phenyl)-2-methyl-5-oxo-5,7-dihydrofuro[3,4-b]pyridine-3-carboxylate 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.
| Molecular Formula | C18H15F2NO5 |
| Molecular Weight | 363.31 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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; 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.) | 1993 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |