2-((4-Oxo-3-phenyl-4H-pyrazino[1,2-a]pyrimidin-2-yl)oxy)ethyl acetate CAS 21271-30-7
| CAS No. | 21271-30-7 |
| Molecular Formula | C17H15N3O4 |
| Molecular Weight | 325.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2-((4-Oxo-3-phenyl-4H-pyrazino[1,2-a]pyrimidin-2-yl)oxy)ethyl acetate (CAS 21271-30-7), molecular formula C17H15N3O4 and molecular weight 325.32 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C17H15N3O4, 2-((4-Oxo-3-phenyl-4H-pyrazino[1,2-a]pyrimidin-2-yl)oxy)ethyl acetate 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 325.32 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 2-((4-Oxo-3-phenyl-4H-pyrazino[1,2-a]pyrimidin-2-yl)oxy)ethyl acetate 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 | C17H15N3O4 |
| Molecular Weight | 325.32 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 3 |
Recommended Standards
- 2-((3-(4-Methoxyphenyl)-2-oxo-2H-chromen-7-yl)oxy)acetamide (CAS 869079-70-9)
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- 10-Methyl-9-oxo-9,10-dihydroacridine-1,3-diyl diacetate (CAS 28333-08-6)
- 2-(2,4-Dimethoxyphenyl)-4-oxo-1,4-dihydroquinoline-6-carboxylic acid (CAS 90034-48-3)
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