3-Ethyl-5,7-dimethylisoxazolo[3,4-d]pyrimidine-4,6(5H,7H)-dione CAS 65183-73-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 65183-73-5 |
| Molecular Formula | C9H11N3O3 |
| Molecular Weight | 209.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 3-Ethyl-5,7-dimethylisoxazolo[3,4-d]pyrimidine-4,6(5H,7H)-dione (CAS 65183-73-5) pharmaceutical standards reference standard. Molecular formula: C9H11N3O3. Molecular weight: 209.20 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C9H11N3O3 |
| Molecular Weight | 209.20 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 |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Nitrogen Atoms | 3 |
Related Ethyl Standards
- Methyl 3,6-dimethylisoxazolo[5,4-b]pyridine-4-carboxylate (CAS 1011360-03-4)
- 7-Ethyl-3,4-dimethylisoxazolo[5,4-b]pyridin-6(7H)-one (CAS 89246-94-6)
- 3,7-dimethylisoxazolo[4,5-d]pyridazin-4(5H)-one (CAS 129663-22-5)
- 3,4-dimethylisoxazolo[3,4-d]pyridazin-7(6H)-one (CAS 15911-16-7)
- 3,6-Dimethylisoxazolo[3,4-d]pyrimidin-4(1H)-one (CAS 41896-90-6)
- 3,6-Dimethylisoxazolo[5,4-d]pyrimidin-4-ol (CAS 35258-88-9)
- 5,6-Dimethylisoxazolo[4,3-c]pyridin-4(5H)-one (CAS 176683-51-5)
- 3,4-Dimethylisoxazolo[5,4-b]pyridin-6(7H)-one (CAS 19385-56-9)
Recommended Standards
- 3-Ethyl-1-(3-nitrophenyl)urea (CAS 198693-17-3)
- 3H-[1,2,5]oxadiazolo[3,4-a]carbazole (CAS 256348-47-7)
- 3-Ethoxy-2-hydroxy-beta-nitrostyrene (CAS 206559-62-8)
- 3-(Bromomethyl)-8-quinolinol 8-Acetate (CAS 187334-19-6)
- 6-Chloro-2-(2,2,2-trifluoroethoxy)pyridin-3-amine (CAS 1550595-82-8)
- 4-Bromo-1-isopropyl-5-(methoxymethyl)-1H-pyrazole (CAS 1856088-55-5)
- 5,5'-DImethyldipyrromethane (CAS 99840-54-7)
- D-Pro (10)-Terlipressin (CAS CATO-C4X-219332)
- Benzyl 2-Acetamido-2-deoxy-3,4-di-O-acetyl-a-D-galactopyranoside (CAS 55652-76-1)
- Biotinyl-Neuropeptide Y (human, rat) trifluoroacetate salt (CAS 213779-13-6)
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