N-benzyl-7-fluoro-2-methyl-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxamide CAS 338778-23-7
| CAS No. | 338778-23-7 |
| Molecular Formula | C21H15FN2O3 |
| Molecular Weight | 362.35 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 362.35 g/mol gives N-benzyl-7-fluoro-2-methyl-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
N-benzyl-7-fluoro-2-methyl-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxamide (CAS 338778-23-7) is a high-purity analytical reference standard with the molecular formula C21H15FN2O3 and a molecular weight of 362.35 g/mol.
Structurally, N-benzyl-7-fluoro-2-methyl-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxamide (C21H15FN2O3) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 362.35 g/mol, it falls into the moderately-high-molecular-weight range. 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.
As a certified reference material (CRM), N-benzyl-7-fluoro-2-methyl-5-oxo-5H-chromeno[2,3-b]pyridine-3-carboxamide meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C21H15FN2O3 |
| Molecular Weight | 362.35 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Recommended Standards
- N-(5-((2-Amino-2-oxoethyl)thio)-1,3,4-thiadiazol-2-yl)-2-(trifluoromethyl)benzamide (CAS 868975-09-1)
- SGA360 (CAS 680611-86-3)
- N-(4,6-dimethylpyridin-2-yl)-2-(2-(trifluoromethyl)-1H-benzo[d]imidazol-1-yl)propanamide (CAS 478080-04-5)
- tert-Butyl 4-(7-bromoheptyl)piperidine-1-carboxylate (CAS 2497591-81-6)
- 2,6-Dimethoxybenzenesulfonamide (CAS 1261648-02-5)
- 4-methyl-3-(1,2,3,6-tetrahydropyridin-4-yl)pyridine dihydrochloride (CAS 1428099-97-1)
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