1-Allyl-6,7-dimethoxy-3-phenylquinazoline-2,4(1H,3H)-dione CAS 903468-92-8
| CAS No. | 903468-92-8 |
| Molecular Formula | C19H18N2O4 |
| Molecular Weight | 338.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-Allyl-6,7-dimethoxy-3-phenylquinazoline-2,4(1H,3H)-dione is closely related to a flavonoid core, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
CATO supplies 1-Allyl-6,7-dimethoxy-3-phenylquinazoline-2,4(1H,3H)-dione (CAS 903468-92-8), a certified reference material (molecular formula C19H18N2O4, MW 338.36 g/mol) for analytical method development and quality control.
Based on its molecular formula C19H18N2O4, 1-Allyl-6,7-dimethoxy-3-phenylquinazoline-2,4(1H,3H)-dione contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 338.36 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
As a certified reference material (CRM), 1-Allyl-6,7-dimethoxy-3-phenylquinazoline-2,4(1H,3H)-dione 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 | C19H18N2O4 |
| Molecular Weight | 338.36 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- 1,3-Bis(1H-benzo[d][1,2,3]triazol-1-yl)-1,3-dimethoxypropane (CAS 301170-35-4)
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- 1-(Phenylamino)-3H-naphtho[1,2,3-de]quinoline-2,7-dione (CAS 59836-62-3)
- 1-Ethyl-4-hydroxy-N-(3-methoxyphenyl)-2-oxo-1,2-dihydroquinoline-3-carboxamide (CAS 303093-36-9)
- Tert-butyl n-[(2-chloro-1,3-thiazol-5-yl)methyl]carbamate (CAS 1416712-48-5)
- Methyl 2-acetamidoacetate (CAS 1117-77-7)
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- 3-methyl-5,6-dihydro-8H-isoxazolo[5,4-b]pyrano[4,3-e]pyridin-8-one (CAS 1000933-01-6)
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- 1-Methyl-N-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-1H-benzo[d]imidazol-2-amine (CAS 330793-28-7)
- (3-Bromo-5-methoxypyridin-2-yl)methanamine (CAS 1211516-90-3)
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