4-[4-(4-Methoxyphenyl)pyrimidin-2-yl]phenyl 4-bromobenzene-1-sulfonate CAS 477857-14-0
| CAS No. | 477857-14-0 |
| Molecular Formula | C23H17BrN2O4S |
| Molecular Weight | 497.36 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4-[4-(4-Methoxyphenyl)pyrimidin-2-yl]phenyl 4-bromobenzene-1-sulfonate (CAS 477857-14-0), molecular formula C23H17BrN2O4S and molecular weight 497.36 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C23H17BrN2O4S, 4-[4-(4-Methoxyphenyl)pyrimidin-2-yl]phenyl 4-bromobenzene-1-sulfonate contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, bromine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 497.36 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).
As a certified reference material (CRM), 4-[4-(4-Methoxyphenyl)pyrimidin-2-yl]phenyl 4-bromobenzene-1-sulfonate 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 | C23H17BrN2O4S |
| Molecular Weight | 497.36 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methoxyphenyl Standards
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Recommended Standards
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- Tylophorinidine (CAS 32523-69-6)
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- 3-(4-Methoxyphenyl)-2-thioxo-1,3-thiazolidin-4-one (CAS 5350-09-4)
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- N-(2,5-Dimethylphenyl)-2-((5-(pyridin-4-yl)-4-(p-tolyl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 477318-78-8)
- 3,3',5,5'-Tetramethoxy-1,1'-biphenyl (CAS 108840-33-1)
- n-(1-(1h-Imidazol-1-yl)propan-2-yl)-1-aminocyclopentane-1-carboxamide (CAS 1184265-68-6)
- N-(3,5-Di-tert-butylphenyl)acetamide (CAS 37055-54-2)
- Gastric Inhibitory Polypeptide (3-42) (human) trifluoroacetate salt (CAS 1802086-25-4)
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