2,3,6-Tribromo-4-methoxy-5-nitropyridine CAS 31872-70-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 31872-70-5 |
| Molecular Formula | C6H3Br3N2O3 |
| Molecular Weight | 390.81 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,3,6-Tribromo-4-methoxy-5-nitropyridine (CAS 31872-70-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C6H3Br3N2O3. Molecular weight: 390.81 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C6H3Br3N2O3 |
| Molecular Weight | 390.81 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 |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1966 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
Related Tribromo Standards
- 2,4,6-Tribromo-3,5-dimethoxyphenol (CAS 121869-55-4)
- 2,4,4'-Tribromo-1,1'-biphenyl (CAS 6430-90-6)
- 2,4',6-Tribromo-1,1'-biphenyl (CAS 64258-03-3)
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- 3,3,4-Tribromo-1,1,1,2,2-pentafluorobutane (CAS 1379361-16-6)
Recommended Standards
- 2-((4-Chlorophenyl)thio)-6-phenyl-4-(trifluoromethyl)nicotinonitrile (CAS 338749-42-1)
- 2-[(3-Chlorophenyl)sulfanyl]-4-[3-(trifluoromethyl)phenyl]pyridine-3-carbonitrile (CAS 478245-71-5)
- 2-((3-Chlorophenyl)thio)-5-(3-(trifluoromethyl)phenyl)nicotinonitrile (CAS 338964-73-1)
- 6-Hydroxy-2,5,7,8-tetramethylchromane-2-carboxylic acid (CAS 53188-07-1)
- 3-Bromo-4-(5-tetrazolyl)benzoic Acid (CAS 1131615-11-6)
- 3-(Chloromethyl)-4-fluoropyridine (CAS 1060809-41-7)
- Sodium tetrathionate dihydrate (CAS 13721-29-4)
- 6-Bromo-3-chloro-2-fluoroaniline, n-boc protected (CAS 1820705-04-1)
- N-(2-Methoxy-5-phenoxyphenyl)methanesulfonamide (CAS 3119673-76-3)
- Semaglutide impurity 48 (CAS CATO-C4X-222648)
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