Methyl 5-Bromo-2-hydroxy-3-propionylbenzoate CAS 91099-82-0
| CAS No. | 91099-82-0 |
| Molecular Formula | C11H11BrO4 |
| Molecular Weight | 287.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C11H11BrO4, Methyl 5-Bromo-2-hydroxy-3-propionylbenzoate 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 287.11 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).
CATO supplies Methyl 5-Bromo-2-hydroxy-3-propionylbenzoate (CAS 91099-82-0), a certified reference material (molecular formula C11H11BrO4, MW 287.11 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Methyl 5-Bromo-2-hydroxy-3-propionylbenzoate 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 | C11H11BrO4 |
| Molecular Weight | 287.11 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Halogen Content | Br-containing |
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Recommended Standards
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- 2-Chloro-3-ethynyl-6-methylpyridine (CAS 1256794-73-6)
- 6-Fluoro-3-methoxypyridine-2-carboxylic acid (CAS 1256810-06-6)
- 7-Bromo-2-methyl-6-nitrothiazolo[5,4-b]pyridine (CAS 2178984-61-5)
- 2-(5-Phenyl-1h-1,2,3,4-tetrazol-1-yl)acetic acid (CAS 21743-58-8)
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