(5-Bromo-2,3-dimethoxyphenyl)(methyl)selane CAS 2123477-90-5
| CAS No. | 2123477-90-5 |
| Molecular Formula | C9H11BrO2Se |
| Molecular Weight | 310.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (5-Bromo-2,3-dimethoxyphenyl)(methyl)selane 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.
CATO supplies (5-Bromo-2,3-dimethoxyphenyl)(methyl)selane (CAS 2123477-90-5), a certified reference material (molecular formula C9H11BrO2Se, MW 310.05 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H11BrO2Se, (5-Bromo-2,3-dimethoxyphenyl)(methyl)selane contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 310.05 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H11BrO2Se |
| Molecular Weight | 310.05 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | Br-containing |
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- Semaglutide impurity 66 (CAS CATO-C4X-222666)
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