4-Bromo-2-hydroxy-5-methylacetophenone, 97% CAS 1020253-81-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1020253-81-9 |
| Molecular Formula | C9H9BrO2 |
| Molecular Weight | 229.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-2-hydroxy-5-methylacetophenone, 97% (CAS 1020253-81-9) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C9H9BrO2. Molecular weight: 229.07 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C9H9BrO2 |
| Molecular Weight | 229.07 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | Br-containing |
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- Semaglutide Impurity 143 (CAS CATO-C4X-2226143)
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