1,3-Dimethyl-5-{[4-(3-oxo-1-butenyl)phenyl]methylene}-2,4,6(1H,3H,5H)-pyrimidinetrione CAS 321430-64-2
| CAS No. | 321430-64-2 |
| Molecular Formula | C17H16N2O4 |
| Molecular Weight | 312.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1,3-Dimethyl-5-{[4-(3-oxo-1-butenyl)phenyl]methylene}-2,4,6(1H,3H,5H)-pyrimidinetrione 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.
1,3-Dimethyl-5-{[4-(3-oxo-1-butenyl)phenyl]methylene}-2,4,6(1H,3H,5H)-pyrimidinetrione (CAS 321430-64-2) is a high-purity analytical reference standard with the molecular formula C17H16N2O4 and a molecular weight of 312.32 g/mol.
Structurally, 1,3-Dimethyl-5-{[4-(3-oxo-1-butenyl)phenyl]methylene}-2,4,6(1H,3H,5H)-pyrimidinetrione (C17H16N2O4) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 312.32 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.
Physical & Chemical Properties
| Molecular Formula | C17H16N2O4 |
| Molecular Weight | 312.32 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
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