4-Methyl-3,4-dihydro-[1,2]oxazino[3,2-b]quinazolin-10(2H)-one CAS 51866-13-8
| CAS No. | 51866-13-8 |
| Molecular Formula | C12H12N2O2 |
| Molecular Weight | 216.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C12H12N2O2, 4-Methyl-3,4-dihydro-[1,2]oxazino[3,2-b]quinazolin-10(2H)-one contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 216.24 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).
4-Methyl-3,4-dihydro-[1,2]oxazino[3,2-b]quinazolin-10(2H)-one (CAS 51866-13-8), molecular formula C12H12N2O2 and molecular weight 216.24 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-Methyl-3,4-dihydro-[1,2]oxazino[3,2-b]quinazolin-10(2H)-one 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 | C12H12N2O2 |
| Molecular Weight | 216.24 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- 5-((4-(Dimethylamino)phenyl)imino)furan-2(5H)-one (CAS 6954-63-8)
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- (2,5-Dihydro-1H-pyrrol-1-yl)(phenyl)methanone (CAS 15431-85-3)
- 6-(3-Amino-4-methylphenyl)pyridazin-3-ol (CAS 1030563-11-1)
- Olodaterol Impurity 11 (CAS CATO-C4X-194311)
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