4-Bromo-3-(difluoromethyl)-5-fluoropyridin-2-amine CAS 1804696-58-9
| CAS No. | 1804696-58-9 |
| Molecular Formula | C6H4BrF3N2 |
| Molecular Weight | 241.01 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
4-Bromo-3-(difluoromethyl)-5-fluoropyridin-2-amine (CAS 1804696-58-9) is a high-purity analytical reference standard with the molecular formula C6H4BrF3N2 and a molecular weight of 241.01 g/mol.
Structurally, 4-Bromo-3-(difluoromethyl)-5-fluoropyridin-2-amine (C6H4BrF3N2) contains a nitrile group, fluorine/bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 241.01 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 4-Bromo-3-(difluoromethyl)-5-fluoropyridin-2-amine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C6H4BrF3N2 |
| Molecular Weight | 241.01 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 2 |
Related Bromo Standards
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Recommended Standards
- 2-Bromo-6-(difluoromethyl)-4-fluorophenol (CAS 1804404-70-3)
- 5-Bromo-3-(difluoromethyl)-2-fluoropyridin-4-amine (CAS 1805053-63-7)
- 2-Bromo-3-(difluoromethyl)-6-fluorophenol (CAS 1804404-62-3)
- 6-Bromo-2-(trifluoromethyl)pyridin-3-amine (CAS 1805123-62-9)
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