3,4-Dibromo-2-chloropyridine CAS 134039-99-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 134039-99-9 |
| Molecular Formula | C5H2Br2ClN |
| Molecular Weight | 271.34 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3,4-Dibromo-2-chloropyridine (CAS 134039-99-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C5H2Br2ClN. Molecular weight: 271.34 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C5H2Br2ClN |
| Molecular Weight | 271.34 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 tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl/Br-containing |
| Nitrogen Atoms | 1 |
Related Dibromo Standards
- 2,5-Dibromo-4-chloropyridine (CAS 1033203-47-2)
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- 2,4-Dibromo-6-chloropyridine (CAS 1206249-48-0)
- 3,4-Dibromo-5-chloropyridine (CAS 1335051-91-6)
- 3,5-Dibromo-4-chloropyridine (CAS 13626-17-0)
- 2,3-Dibromo-5-chloropyridine (CAS 137628-17-2)
- 2,3-Dibromo-4-chloropyridine (CAS 1379300-99-8)
- 2,5-Dibromo-3-chloropyridine (CAS 160599-70-2)
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