2-hydroxy-4-amino-5-nitropyridine 4-Amino-5-nitro-2-pyridinol 4-amino-5-nitropyridin-2-ol 99479-77-3 CAS 99479-77-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 99479-77-3 |
| Molecular Formula | C5H5N3O3 |
| Molecular Weight | 155.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 2-hydroxy-4-amino-5-nitropyridine 4-Amino-5-nitro-2-pyridinol 4-amino-5-nitropyridin-2-ol 99479-77-3 (CAS 99479-77-3) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C5H5N3O3. Molecular weight: 155.11 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C5H5N3O3 |
| Molecular Weight | 155.11 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) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 3 |
Related hydroxy Standards
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- 1-Hydroxy-2-oxo-1,2-dihydropyridine-4-carboxylic acid (CAS 119736-22-0)
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Recommended Standards
- Picene-5,6-dione (CAS 24743-25-7)
- 5-Amino-1-nitroso-1H-pyrazole-4-carboxamide (CAS CATO-C3D-26212)
- N-Carbamoylisoxazole-3-carboxamide (CAS 32954-29-3)
- 2-(1,1-Difluoropropyl)-1,4-difluorobenzene (CAS 1138445-40-5)
- (R)-2-(3-Aminopiperidin-1-yl)ethanol hydrochloride (CAS 2243501-55-3)
- 4-Amino-N-cyclohexylbenzenesulfonamide (CAS 53668-37-4)
- 2,7-Bis[N,N-bis(4-methoxyphenyl)amino]-9,9-spirobi[9H-fluorene] (CAS 1138220-69-5)
- 4-(5-Amino-1,3,4-thiadiazol-2-yl)-1-(3,5-dimethylphenyl)pyrrolidin-2-one (CAS 1142202-30-9)
- 1,4-Dimethyl 2-(2-chloropropanamido)benzene-1,4-dicarboxylate (CAS 956576-40-2)
- Semaglutide impurity 227 (CAS CATO-C4X-2226227)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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