2-Bromo-3-(2,4-dimethylphenyl)-1-propene CAS 951891-69-3
| CAS No. | 951891-69-3 |
| Molecular Formula | C11H13Br |
| Molecular Weight | 225.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 225.12 g/mol gives 2-Bromo-3-(2,4-dimethylphenyl)-1-propene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-Bromo-3-(2,4-dimethylphenyl)-1-propene (CAS 951891-69-3) is a high-purity analytical reference standard with the molecular formula C11H13Br and a molecular weight of 225.12 g/mol.
The molecular framework of 2-Bromo-3-(2,4-dimethylphenyl)-1-propene (C11H13Br) is characterized by 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. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C11H13Br |
| Molecular Weight | 225.12 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| 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.) | 1987 |
| Halogen Content | Br-containing |
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Recommended Standards
- 2-Bromo-3-(2,3-dimethylyphenyl)-1-propene (CAS 951891-57-9)
- 2-Bromo-3-(2,5-dimethylphenyl)-1-propene (CAS 951891-84-2)
- 2,5-Dioxopyrrolidin-1-yl 3,3,3-trifluoropropanoate (CAS 405878-89-9)
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