3-Ethoxy-4-nitropyridine 1-oxide CAS 19349-73-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 19349-73-6 |
| Molecular Formula | C7H8N2O4 |
| Molecular Weight | 184.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Ethoxy-4-nitropyridine 1-oxide (CAS 19349-73-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C7H8N2O4. Molecular weight: 184.15 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C7H8N2O4 |
| Molecular Weight | 184.15 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 |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1962 |
| Nitrogen Atoms | 2 |
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Recommended Standards
- (S)-2-Nitro-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazin-6-amine (CAS 187235-66-1)
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- 3,5-Dimethoxy-2-nitropyridine (CAS 18677-49-1)
- 8-Chloro-3,4-dihydroisoquinoline (CAS 440351-63-3)
- 1,5-Diamino-2,6-dibromo-4,8-dihydroxyanthracene-9,10-dione (CAS 30787-41-8)
- 1-(2-methoxyethyl)-3-methyl-2,5-dihydro-1H-pyrrole-2,5-dione (CAS 1098353-68-4)
- Methyl 2-(2-chloroacetamido)-4-(4-methoxyphenyl)thiophene-3-carboxylate (CAS 667407-72-9)
- 1-Cyclopentyl-N-((1-ethyl-5-fluoro-3-methyl-1H-pyrazol-4-yl)methyl)-1H-pyrazol-4-amine hydrochloride (CAS 1856096-85-9)
- 1,2-Bis(4-(octyloxy)phenyl)diazene oxide (CAS 25729-12-8)
- Des-His(1)-Semaglutide (CAS CATO-C4X-2226216)
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