4-Bromo-1-(3-chloropropoxy)-2-fluorobenzene CAS 181807-91-0
| CAS No. | 181807-91-0 |
| Molecular Formula | C9H9BrClFO |
| Molecular Weight | 267.52 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a hydroxyl group, an ether linkage, fluorine/chlorine/bromine substitution, an aromatic ring system, 4-Bromo-1-(3-chloropropoxy)-2-fluorobenzene is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 267.52 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
4-Bromo-1-(3-chloropropoxy)-2-fluorobenzene (CAS 181807-91-0), molecular formula C9H9BrClFO and molecular weight 267.52 g/mol, is a CATO reference standard with documented purity and traceability.
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.
As a certified reference material (CRM), 4-Bromo-1-(3-chloropropoxy)-2-fluorobenzene 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 | C9H9BrClFO |
| Molecular Weight | 267.52 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, water (slightly soluble) |
| 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.) | 2008 |
| Halogen Content | F/Cl/Br-containing |
Related Bromo Standards
- 5-Bromo-1-chloro-3-fluoro-2-isopropoxybenzene (CAS 1820704-11-7)
- 5-Bromo-1-chloro-3-fluoro-2-propoxybenzene (CAS 1820712-69-3)
- 1-Bromo-5-chloro-2-fluoro-4-isopropoxybenzene (CAS 1879026-15-9)
- 5-Bromo-1-chloro-2-fluoro-3-(propan-2-yloxy)benzene (CAS 1881293-48-6)
- 1-Bromo-4-chloro-2-fluoro-3-propoxybenzene (CAS 1881295-73-3)
- 5-Bromo-1-chloro-2-fluoro-3-propoxybenzene (CAS 1881330-64-8)
- 1-Bromo-5-chloro-2-fluoro-3-(propan-2-yloxy)benzene (CAS 1881332-61-1)
- 1-Bromo-2-chloro-5-fluoro-4-isopropoxybenzene (CAS 2586126-95-4)
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- 5-(Iodomethyl)-6-oxaspiro[3.4]octane (CAS 2138023-08-0)
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