1-Bromo-2-(3-bromoprop-1-yn-1-yl)benzene CAS 1228107-22-9
| CAS No. | 1228107-22-9 |
| Molecular Formula | C9H6Br2 |
| Molecular Weight | 273.95 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 273.95 g/mol gives 1-Bromo-2-(3-bromoprop-1-yn-1-yl)benzene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-Bromo-2-(3-bromoprop-1-yn-1-yl)benzene (CAS 1228107-22-9), molecular formula C9H6Br2 and molecular weight 273.95 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H6Br2, 1-Bromo-2-(3-bromoprop-1-yn-1-yl)benzene contains bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 273.95 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 | C9H6Br2 |
| Molecular Weight | 273.95 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 1-Bromo-3-(3-bromoprop-1-yn-1-yl)benzene (CAS 1333171-42-8)
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- 2-Bromo-1-(4,5-dichlorothiophen-2-yl)ethan-1-one (CAS 63723-02-4)
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- Semaglutide impurity 91 (CAS CATO-C4X-222691)
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