3-Amino-5-methoxyquinoxalin-2(1H)-one CAS 659729-79-0
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 659729-79-0 |
| Molecular Formula | C9H9N3O2 |
| Molecular Weight | 191.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 3-Amino-5-methoxyquinoxalin-2(1H)-one (CAS 659729-79-0) pharmaceutical standards reference standard. Molecular formula: C9H9N3O2. Molecular weight: 191.19 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C9H9N3O2 |
| Molecular Weight | 191.19 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 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 3 |
Related Amino Standards
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Recommended Standards
- 3-Amino-1H-indazole-6-carbohydrazide (CAS 2140305-21-9)
- 3-Amino-8-hydroxy-2-methylquinazolin-4(3H)-one (CAS 99358-69-7)
- 3-[(2-nitrophenyl)amino]propanenitrile (CAS 33141-24-1)
- 4-Methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pentan-2-one (CAS 139494-45-4)
- 2-((4-Fluorophenoxy)methyl)benzaldehyde (CAS 1443307-58-1)
- Dieckol (CAS 88095-77-6)
- Avanafil Impurity 89 (CAS 2250243-36-6)
- (S)-1-Ethyl-3-methylpiperazine (CAS 879368-14-6)
- 3-Bromo-2,5-difluoroaniline hydrochloride (CAS 1787929-07-0)
- Semaglutide Impurity 164 (CAS CATO-C4X-2226164)
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