5-Bromo-2-phenylpyrimidin-4(3H)-one CAS 26786-28-7
| CAS No. | 26786-28-7 |
| Molecular Formula | C10H7BrN2O |
| Molecular Weight | 251.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 251.08 g/mol gives 5-Bromo-2-phenylpyrimidin-4(3H)-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
5-Bromo-2-phenylpyrimidin-4(3H)-one (CAS 26786-28-7) is a high-purity analytical reference standard with the molecular formula C10H7BrN2O and a molecular weight of 251.08 g/mol.
Based on its molecular formula C10H7BrN2O, 5-Bromo-2-phenylpyrimidin-4(3H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 251.08 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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-2-phenylpyrimidin-4(3H)-one 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 | C10H7BrN2O |
| Molecular Weight | 251.08 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
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- Peptide 435 (CAS CATO-CPTD788435)
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