5-Bromo-4-chloro-2-methyl-6-(trifluoromethyl)pyrimidine CAS 1934616-93-9
| CAS No. | 1934616-93-9 |
| Molecular Formula | C6H3BrClF3N2 |
| Molecular Weight | 275.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Bromo-4-chloro-2-methyl-6-(trifluoromethyl)pyrimidine (CAS 1934616-93-9) is a high-purity analytical reference standard with the molecular formula C6H3BrClF3N2 and a molecular weight of 275.45 g/mol.
Based on its molecular formula C6H3BrClF3N2, 5-Bromo-4-chloro-2-methyl-6-(trifluoromethyl)pyrimidine contains a nitrile group, fluorine/chlorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 275.45 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
CATO manufactures 5-Bromo-4-chloro-2-methyl-6-(trifluoromethyl)pyrimidine under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H3BrClF3N2 |
| Molecular Weight | 275.45 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.) | 1996 |
| Halogen Content | F/Cl/Br-containing |
| Nitrogen Atoms | 2 |
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