7-(3-Bromopropoxy)-2H-chromen-2-one CAS 69150-28-3
| CAS No. | 69150-28-3 |
| Molecular Formula | C12H11BrO3 |
| Molecular Weight | 283.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 7-(3-Bromopropoxy)-2H-chromen-2-one 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.
7-(3-Bromopropoxy)-2H-chromen-2-one (CAS 69150-28-3) is a high-purity analytical reference standard with the molecular formula C12H11BrO3 and a molecular weight of 283.12 g/mol.
The molecular framework of 7-(3-Bromopropoxy)-2H-chromen-2-one (C12H11BrO3) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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 | C12H11BrO3 |
| Molecular Weight | 283.12 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 chloroform, dichloromethane, ethyl acetate, 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | Br-containing |
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Recommended Standards
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- 3-Cyclopropoxy-5-isopropoxy-4-methoxypyridine (CAS 1243312-83-5)
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- CM-352, >98% (HPLC) (CAS 1664361-37-8)
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