2-Bromo-1-(4-pentylphenyl)ethan-1-one CAS 64328-68-3
| CAS No. | 64328-68-3 |
| Molecular Formula | C13H17BrO |
| Molecular Weight | 269.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
2-Bromo-1-(4-pentylphenyl)ethan-1-one (CAS 64328-68-3) is a high-purity analytical reference standard with the molecular formula C13H17BrO and a molecular weight of 269.18 g/mol.
Owing to a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system, 2-Bromo-1-(4-pentylphenyl)ethan-1-one is typically off-white to pale yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 269.18 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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).
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 | C13H17BrO |
| Molecular Weight | 269.18 g/mol |
| 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 |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1975 |
| Halogen Content | Br-containing |
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- 4-Chloro-2-(2-oxopyrrolidin-1-yl)benzoic acid (CAS 869464-85-7)
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- Ethyl 4-chloro-3,5-dimethoxybenzoate (CAS 56518-51-5)
- 3-(5-Chlorobenzo[d]oxazol-2-yl)-N-(3-(trifluoromethyl)benzyl)pyridin-2-amine (CAS 339102-07-7)
- 2-Chloro-1-methyl-1H-benzo[d]imidazole (CAS 1849-02-1)
- 1-([1,1'-Biphenyl]-4-yl)-3-(1,3-dioxan-2-yl)propan-1-one (CAS 898756-62-2)
- Semaglutide impurity 96 (CAS CATO-C4X-222696)
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