1-Bromo-4-(2-bromoethyl)benzene CAS 1746-28-7
| CAS No. | 1746-28-7 |
| Molecular Formula | C8H8Br2 |
| Molecular Weight | 263.96 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 263.96 g/mol gives 1-Bromo-4-(2-bromoethyl)benzene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-Bromo-4-(2-bromoethyl)benzene (CAS 1746-28-7) is a high-purity analytical reference standard with the molecular formula C8H8Br2 and a molecular weight of 263.96 g/mol.
Based on its molecular formula C8H8Br2, 1-Bromo-4-(2-bromoethyl)benzene contains bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 263.96 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-Bromo-4-(2-bromoethyl)benzene 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.
Physical & Chemical Properties
| Molecular Formula | C8H8Br2 |
| Molecular Weight | 263.96 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 1-Bromo-2-(2-bromoethyl)benzene (CAS 1074-15-3)
- 1-Bromo-3-(bromomethyl)-2-methylbenzene (CAS 112299-62-4)
- 4-Bromo-2-methylbenzyl Bromide (CAS 156001-49-9)
- (-)-1-Bromo-4-(1-bromoethyl)benzene (CAS 159755-11-0)
- 1-Bromo-2-(1-bromoethyl)benzene (CAS 62384-31-0)
- 1-Bromo-2-(bromomethyl)-4-methylbenzene (CAS 27561-50-8)
- 1-Bromo-3-(1-bromoethyl)benzene (CAS 59770-98-8)
- 1-Bromo-3-(bromomethyl)-5-methylbenzene (CAS 51719-69-8)
Recommended Standards
- 1,2-Dibromo-3,4-dimethylbenzene (CAS 24932-49-8)
- 1,3-Dibromo-2,4-dimethylbenzene (CAS 90434-19-8)
- 1,2-Dibromo-4-ethylbenzene (CAS 134940-69-5)
- 1,3-Dibromo-2,5-dimethylbenzene (CAS 66788-13-4)
- 2-Chloro-6-methyl-4-phenylpyridine (CAS 54453-92-8)
- Benzyl ((3R,4R,5S,6R)-2,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-3-yl)carbamate (CAS 7474-40-0)
- Methyl 5-amino-1H-indazole-3-carboxylate (CAS 660411-95-0)
- PF-4942847 (CAS 1207961-33-8)
- 2-(2-Chloro-4-cyano-6-(difluoromethyl)pyridin-3-yl)acetic acid (CAS 1805260-93-8)
- 2,4-Dichloro-5-cyclopropylpyrimidine (CAS 1190379-86-2)
- 3-Acetyl-2,3-dihydro-4h-1-benzopyran-4-one (CAS 62407-04-9)
- Methyl 2-((2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)methyl)hydrazinecarboxylate (CAS 353260-14-7)
- Ethyl 7-(2-methoxyphenyl)-7-oxoheptanoate (CAS 122115-56-4)
- Peptide YY (3-36) (canine, mouse, porcine, rat) trifluoroacetate salt (CAS 126339-09-1)
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