5,5'-Dibromo-3,3'-dinitro-2,2'-bipyridine CAS 321844-96-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 321844-96-6 |
| Molecular Formula | C10H4Br2N4O4 |
| Molecular Weight | 403.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5,5'-Dibromo-3,3'-dinitro-2,2'-bipyridine (CAS 321844-96-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C10H4Br2N4O4. Molecular weight: 403.97 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C10H4Br2N4O4 |
| Molecular Weight | 403.97 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 4 |
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