3,4-Difluorophenylzinc bromide 0.5 M in Tetrahydrofuran CAS 737797-28-3
| CAS No. | 737797-28-3 |
| Molecular Formula | C6H3BrF2Zn |
| Molecular Weight | 258.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 3,4-Difluorophenylzinc bromide 0.5 M in Tetrahydrofuran 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.
3,4-Difluorophenylzinc bromide 0.5 M in Tetrahydrofuran (CAS 737797-28-3), molecular formula C6H3BrF2Zn and molecular weight 258.40 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C6H3BrF2Zn, 3,4-Difluorophenylzinc bromide 0.5 M in Tetrahydrofuran contains a salt form, fluorine/bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 258.40 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
Physical & Chemical Properties
| Molecular Formula | C6H3BrF2Zn |
| Molecular Weight | 258.40 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1986 |
| Halogen Content | F/Br-containing |
Related Difluorophenylzinc Standards
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