1-Bromo-4-(prop-2-yn-1-yl)benzene CAS 944903-27-9
| CAS No. | 944903-27-9 |
| Molecular Formula | C9H7Br |
| Molecular Weight | 195.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C9H7Br, 1-Bromo-4-(prop-2-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 195.06 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).
1-Bromo-4-(prop-2-yn-1-yl)benzene (CAS 944903-27-9) is a high-purity analytical reference standard with the molecular formula C9H7Br and a molecular weight of 195.06 g/mol.
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.
CATO manufactures 1-Bromo-4-(prop-2-yn-1-yl)benzene under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C9H7Br |
| Molecular Weight | 195.06 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 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.) | 1987 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 3-bromo-5-isopropyl-1,2,4-oxadiazole (CAS 121562-07-0)
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- 1-Bromo-4-ethynyl-2-methylbenzene (CAS 1356958-34-3)
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Recommended Standards
- 1-Bromo-4-(1-propynyl)benzene (CAS 23773-30-0)
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- 1-Bromo-3-ethynyl-5-methylbenzene (CAS 2228428-36-0)
- 2-Bromo-1-ethynyl-4-methylbenzene (CAS 947546-75-0)
- 7,7-Dimethyloctanoyl chloride (CAS 133028-20-3)
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