2,6-Difluoro-3-nitropyridine hydrate CAS 1881331-54-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1881331-54-9 |
| Molecular Formula | C5H2F2N2O2 H2O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,6-Difluoro-3-nitropyridine hydrate (CAS 1881331-54-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H2F2N2O2 H2O. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H2F2N2O2 H2O |
| Molecular Weight | 178.09 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
Related Difluoro Standards
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- 2-(3,5-Difluoro-2-pyridyl)acetic acid (CAS 1000518-01-3)
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Recommended Standards
- n-(2,6-Dimethylcyclohexyl)-1-methylpyrrolidin-3-amine (CAS 1248243-65-3)
- Acesulfame-d4 Potassium Salt (CAS 1623054-53-4)
- Ethyl 2,3-diethyl-3-isopropyloxirane-2-carboxylate (CAS 1521460-19-4)
- 4-(Difluoromethyl)-3-fluoro-6-methoxy-2-(trifluoromethyl)pyridine (CAS 1805458-00-7)
- (S)-3-Hydroxypentanoic acid (CAS 79516-59-9)
- N-[3-[(3R)-5-Amino-3-(difluoromethyl)-3,6-dihydro-2H-1,4-oxazin-3-yl]-4-fluorophenyl]-5-cyano-3-methyl-2-pyridinecarboxamide (CAS 1262856-69-8)
- Liraglutide Impurity 18 TFA Salt (CAS CATO-C4X-199218)
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