4-Bromo-1-isopropoxy-2-methoxybenzene CAS 138505-27-8
| CAS No. | 138505-27-8 |
| Molecular Formula | C10H13BrO2 |
| Molecular Weight | 245.11 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-Bromo-1-isopropoxy-2-methoxybenzene (CAS 138505-27-8), molecular formula C10H13BrO2 and molecular weight 245.11 g/mol, is a CATO reference standard with documented purity and traceability.
4-Bromo-1-isopropoxy-2-methoxybenzene (C10H13BrO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C10H13BrO2 |
| Molecular Weight | 245.11 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 1996 |
| Halogen Content | Br-containing |
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Recommended Standards
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- 3-(2-Isopropylphenyl)pentan-3-ol (CAS 858672-01-2)
- 5-Methoxy-1-(thiophen-3-yl)pentane-1,3-dione (CAS 1251338-92-7)
- Boehmenan (CAS 57296-22-7)
- 3-(7-fluoro-1-oxo-2H-isoquinolin-3-yl)propyl methanesulfonate (CAS 2640680-80-2)
- 2-(1,5-Diphenyl-1H-1,2,3-triazol-4-yl)acetic acid (CAS 1267439-54-2)
- Peptide WE-14 (CAS 115136-18-0)
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