951894-42-1 2-Bromo-3-(2-chloro-4-fluorophenyl)-1-propene MFCD09801308 CAS 951894-42-1
| CAS No. | 951894-42-1 |
| Molecular Formula | C9H7BrClF |
| Molecular Weight | 249.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
951894-42-1 2-Bromo-3-(2-chloro-4-fluorophenyl)-1-propene MFCD09801308 (CAS 951894-42-1), molecular formula C9H7BrClF and molecular weight 249.51 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 951894-42-1 2-Bromo-3-(2-chloro-4-fluorophenyl)-1-propene MFCD09801308 (C9H7BrClF) contains fluorine/chlorine/bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 249.51 g/mol, it falls into the medium-molecular-weight range. 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).
As a certified reference material (CRM), 951894-42-1 2-Bromo-3-(2-chloro-4-fluorophenyl)-1-propene MFCD09801308 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 | C9H7BrClF |
| Molecular Weight | 249.51 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F/Cl/Br-containing |
Related Bromo Standards
- 2-Bromo-3-(4-chloro-2-fluorophenyl)-1-propene (CAS 951894-31-8)
- 3-(4-Bromo-2-fluorophenyl)-2-chloro-1-propene (CAS 951894-13-6)
- 3-(4-Bromo-3-fluorophenyl)-2-chloro-1-propene (CAS 951888-41-8)
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Recommended Standards
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