Ethyl 2-(2-anilinovinyl)-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxylate CAS 303995-08-6
| CAS No. | 303995-08-6 |
| Molecular Formula | C23H18N2O4 |
| Molecular Weight | 386.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Ethyl 2-(2-anilinovinyl)-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxylate (CAS 303995-08-6), a certified reference material (molecular formula C23H18N2O4, MW 386.40 g/mol) for analytical method development and quality control.
Structurally, Ethyl 2-(2-anilinovinyl)-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxylate (C23H18N2O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 16.0, corresponding to approximately 16 ring(s) or double-bond equivalent(s). With a molecular weight of 386.40 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 Ethyl 2-(2-anilinovinyl)-5-oxo-5H-chromeno[2,3-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.
Physical & Chemical Properties
| Molecular Formula | C23H18N2O4 |
| Molecular Weight | 386.40 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
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Why CATO?
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