1-(2-Methoxyethyl)-7-methyl-1H-pyrido-[2,3-d][1,3]oxazine-2,4-dione CAS 1253792-09-4
| CAS No. | 1253792-09-4 |
| Molecular Formula | C11H18N2O4 |
| Molecular Weight | 242.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
1-(2-Methoxyethyl)-7-methyl-1H-pyrido-[2,3-d][1,3]oxazine-2,4-dione (CAS 1253792-09-4), molecular formula C11H18N2O4 and molecular weight 242.27 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H18N2O4, 1-(2-Methoxyethyl)-7-methyl-1H-pyrido-[2,3-d][1,3]oxazine-2,4-dione 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 242.27 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C11H18N2O4 |
| Molecular Weight | 242.27 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
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Recommended Standards
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- tert-Butyl 6-oxo-8-oxa-2,5-diazaspiro[3.5]nonane-2-carboxylate (CAS 1251000-12-0)
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- Enpromate (CAS 10087-89-5)
- 4-Oxo-1,4-dihydroquinoline-2,6-dicarboxylic acid (CAS 52980-14-0)
- 5-Bromo-1-isopropyl-1H-1,2,4-triazole (CAS 111340-37-5)
- 1-Bromo-4-(2-chloroethyl)-2-nitrobenzene (CAS 1935609-57-6)
- 1-[(dimethylcarbamoyl)methyl]-3-(trifluoromethyl)-1h-pyrazole-5-carboxylic acid (CAS 1245808-55-2)
- (3R,5S)-5-Methylpyrrolidin-3-ol (CAS 1108234-23-6)
- 4-Ethynyl-1-methyldecahydroquinolin-4-ol (CAS 54924-02-6)
- 4-(4-Aminophenoxy)pyridine-2-carbonitrile (CAS 630125-69-8)
- (S)-2-(4-Ethynylphenyl)propanoic acid (CAS 2350536-74-0)
- Protein Kinase C? Peptide Substrate (CAS 120253-69-2)
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