| CAS No. | 127349-68-2 |
| Molecular Formula | C11H15BrMg |
| Molecular Weight | 251.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 251.45 g/mol gives 4-tert-Butylbenzylmagnesium bromide 0.25 M in Tetrahydrofuran distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-tert-Butylbenzylmagnesium bromide 0.25 M in Tetrahydrofuran (CAS 127349-68-2), molecular formula C11H15BrMg and molecular weight 251.45 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a salt form, bromine substitution, an aromatic ring system, 4-tert-Butylbenzylmagnesium bromide 0.25 M in Tetrahydrofuran is typically off-white to pale yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 251.45 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 4-tert-Butylbenzylmagnesium bromide 0.25 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.
| Molecular Formula | C11H15BrMg |
| Molecular Weight | 251.45 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| 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.) | 1993 |
| Halogen Content | Br-containing |