1-Allyl-4-hydroxy-2-oxo-N-(p-tolyl)-1,2-dihydroquinoline-3-carboxamide CAS 303093-20-1
| CAS No. | 303093-20-1 |
| Molecular Formula | C20H18N2O3 |
| Molecular Weight | 334.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, 1-Allyl-4-hydroxy-2-oxo-N-(p-tolyl)-1,2-dihydroquinoline-3-carboxamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 334.37 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).
CATO supplies 1-Allyl-4-hydroxy-2-oxo-N-(p-tolyl)-1,2-dihydroquinoline-3-carboxamide (CAS 303093-20-1), a certified reference material (molecular formula C20H18N2O3, MW 334.37 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C20H18N2O3 |
| Molecular Weight | 334.37 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
Related Allyl Standards
- 1-Allyl-N-benzyl-4-hydroxy-2-oxo-1,2-dihydroquinoline-3-carboxamide (CAS 300700-83-8)
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Recommended Standards
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- 1-((3-Vinylbenzyl)oxy)anthracene-9,10-dione (CAS 88769-48-6)
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