2-(7-(Diethylamino)-2-oxo-2H-chromen-3-yl)quinazolin-4(3H)-one CAS 28754-28-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 28754-28-1 |
| Molecular Formula | C21H19N3O3 |
| Molecular Weight | 361.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2-(7-(Diethylamino)-2-oxo-2H-chromen-3-yl)quinazolin-4(3H)-one (CAS 28754-28-1) pharmaceutical standards reference standard. Molecular formula: C21H19N3O3. Molecular weight: 361.39 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C21H19N3O3 |
| Molecular Weight | 361.39 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Nitrogen Atoms | 3 |
Related Diethylamino Standards
- 4-((4-(Diethylamino)phenyl)imino)-N-methyl-1-oxo-1,4-dihydronaphthalene-2-carboxamide (CAS 4899-82-5)
- 7-(Diethylamino)-3-(5-(pyridin-4-yl)-1,3,4-oxadiazol-2-yl)-2H-chromen-2-one (CAS 252551-75-0)
- N-((4-(Diethylamino)phenyl)carbamothioyl)-5-nitrofuran-3-carboxamide (CAS 117457-82-6)
- 7-(Diethylamino)-3-(5,6-dimethylbenzo[d]oxazol-2-yl)-2H-chromen-2-one (CAS 57980-76-4)
- (8-((6-(Diethylamino)hexyl)amino)-6-methoxyquinolin-4-yl)methanol (CAS 95237-15-3)
- 2-[(Diethylamino)methyl]-4-[(1,1-dioxido-1,2-benzisothiazol-3-yl)amino]phenol (CAS 296791-04-3)
- 3-(3-(4-(Diethylamino)phenyl)acryloyl)-4-hydroxy-2H-chromen-2-one (CAS 1192030-17-3)
- 2-(4-(Diethylamino)styryl)-N,N-diethylbenzo[d]oxazol-6-amine (CAS 72924-71-1)
Recommended Standards
- 2-(4-Formyl-2-methoxyphenoxy)-N,N-diphenylacetamide (CAS 247592-95-6)
- 2-[3-(2-Ethyl-4-oxo-3,4-dihydroquinazolin-3-yl)propyl]-2,3-dihydro-1H-isoindole-1,3-dione (CAS 866010-32-4)
- 2-(4-(2,2-Dicyanovinyl)-2-methoxyphenoxy)-N-(3,4-dimethylphenyl)acetamide (CAS 499986-38-8)
- Benzaldehyde-α-<SUP>13</SUP>C,d<SUB>6</SUB> (CAS 1215830-20-8)
- 4-(Methylsulfonyl)-2-Nitrobenzoic Acid (CAS 110964-79-9)
- Epanolol (CAS 86880-51-5)
- Ulipristal Impurity 31 (CAS 54201-84-2)
- Fluticasone Propionate EP Impurity G (CAS 220589-37-7)
- Butanedioic acid, 2-methylene-, polymer with 1,3-butadiene and ethenylbenzene (CAS 30174-67-5)
- Semaglutide impurity 274 (CAS CATO-C4X-2226274)
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