1-Bromo-4-(prop-2-yn-1-yloxy)benzene CAS 33133-45-8
| CAS No. | 33133-45-8 |
| Molecular Formula | C9H7BrO |
| Molecular Weight | 211.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 211.06 g/mol gives 1-Bromo-4-(prop-2-yn-1-yloxy)benzene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-Bromo-4-(prop-2-yn-1-yloxy)benzene (CAS 33133-45-8) is a high-purity analytical reference standard with the molecular formula C9H7BrO and a molecular weight of 211.06 g/mol.
Based on its molecular formula C9H7BrO, 1-Bromo-4-(prop-2-yn-1-yloxy)benzene contains a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 211.06 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.
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-yloxy)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 | C9H7BrO |
| Molecular Weight | 211.06 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, water (slightly soluble) |
| 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.) | 1966 |
| Halogen Content | Br-containing |
Related Bromo Standards
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Recommended Standards
- 1-Bromo-3-methylimidazo[1,5-a]pyridine (CAS 61254-44-2)
- 1-Bromo-4-ethynyl-2-methoxybenzene (CAS 69151-17-3)
- 1-Bromo-3-ethynyl-5-methoxybenzene (CAS 2279122-91-5)
- 2-(2-Amino-5-bromophenyl)acetonitrile, 97% (CAS 882855-95-0)
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- 5-Hydroxy-2H-furo[2,3-h]chromen-2-one (CAS 21339-45-7)
- 8-(4-Bromophenyl)-1,4-dioxaspiro[4.5]decane (CAS 125962-61-0)
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- 141801-03-8 IL-1 Receptor Peptide (human) (CAS 141801-03-8)
Why CATO?
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