7-Oxo-7,8-dihydro-6H-pyrimido[5,4-β][1,4]oxazine-2-carboxaldehyde CAS 1003946-48-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1003946-48-2 |
| Molecular Formula | C7H5N3O3 |
| Molecular Weight | 179.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Oxo-7,8-dihydro-6H-pyrimido[5,4-β][1,4]oxazine-2-carboxaldehyde (CAS 1003946-48-2) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C7H5N3O3. Molecular weight: 179.13 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C7H5N3O3 |
| Molecular Weight | 179.13 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 3 |
Related Oxo Standards
- 6-Oxo-6,7-dihydro-5H-pyridazino[3,4-b][1,4]oxazine-3-carbaldehyde (CAS 1003947-30-5)
- 3-Oxo-2,3-dihydro-[1,2,4]triazolo-[4,3-a]pyridine-7-carboxylic acid (CAS 1083369-17-8)
- 6-Oxo-6,7-dihydro-5H-pyrrolo[2,3-d]pyrimidine-4-carboxylic acid (CAS 1095824-74-0)
- 3-Oxo-2,3-dihydro-[1,2,4]triazolo[4,3-a]pyridine-6-carboxylic acid (CAS 1241828-07-8)
- 3-Oxo-2,3-dihydro-1H-pyrazolo[3,4-b]pyridine-5-carboxylic acid (CAS 1247562-67-9)
- 2-Oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridine-6-carboxylic acid (CAS 1388048-97-2)
- 2-Oxo-2,3-dihydro-1,3-benzoxazole-7-carboxylic acid (CAS 141940-33-2)
- 5-Oxo-4,5-dihydro-3h-imidazo[4,5-b]pyridine-6-carboxylic acid (CAS 1508452-72-9)
Recommended Standards
- 2-(Difluoromethyl)-5-oxopyrrolidine-2-carboxylic acid (CAS 95755-28-5)
- (S)-Methyl 4,4-difluoro-5-oxopyrrolidine-2-carboxylate (CAS 333956-61-9)
- 2-Oxo-2,3-dihydrobenzo[d]oxazole-4-carboxylic acid (CAS 100960-55-2)
- [2-(3-fluorophenoxy)phenyl]methanamine (CAS 869945-29-9)
- 2-((4-(3-(4-Fluorophenyl)thioureido)phenyl)thio)-N-(4-methoxyphenyl)acetamide (CAS 763127-10-2)
- 1-Hydroxy-2-phenyl-1,5,6,7-tetrahydro-4H-benzo[d]imidazol-4-one (CAS 257869-87-7)
- 4-Bromocyclohexane-1-carboxylic acid (CAS 89892-96-6)
- 3,5-Bis((tert-butoxycarbonyl)amino)benzoic acid (CAS 133887-83-9)
- 2-Fluoro-N,4-dihydroxybenzamidine (CAS 880874-38-4)
- Fragment-[3-31]-Liraglutide (CAS CATO-C4X-199232)
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