| CAS No. | 1934443-37-4 |
| Molecular Formula | C6H6BrClN2OS |
| Molecular Weight | 269.55 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 269.55 g/mol gives 5-bromo-4-chloro-6-methoxy-2-(methylthio)pyrimidine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-bromo-4-chloro-6-methoxy-2-(methylthio)pyrimidine (CAS 1934443-37-4) is a high-purity analytical reference standard with the molecular formula C6H6BrClN2OS and a molecular weight of 269.55 g/mol.
Based on its molecular formula C6H6BrClN2OS, 5-bromo-4-chloro-6-methoxy-2-(methylthio)pyrimidine contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 269.55 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
As a certified reference material (CRM), 5-bromo-4-chloro-6-methoxy-2-(methylthio)pyrimidine 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.
| Molecular Formula | C6H6BrClN2OS |
| Molecular Weight | 269.55 g/mol |
| 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 | Cl/Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |