Dibromo[μ-[1,1′-methylenebis[1,1-diphenylphosphine-κP]]]digold CAS 72476-68-7
| CAS No. | 72476-68-7 |
| Molecular Formula | C25H22Au2Br2P2 |
| Molecular Weight | 938.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Dibromo[μ-[1,1′-methylenebis[1,1-diphenylphosphine-κP]]]digold is closely related to organophosphorus functionality, bromine substitution, a polycyclic aromatic system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Dibromo[μ-[1,1′-methylenebis[1,1-diphenylphosphine-κP]]]digold (CAS 72476-68-7) is a high-purity analytical reference standard with the molecular formula C25H22Au2Br2P2 and a molecular weight of 938.13 g/mol.
Based on its molecular formula C25H22Au2Br2P2, Dibromo[μ-[1,1′-methylenebis[1,1-diphenylphosphine-κP]]]digold contains organophosphorus functionality, bromine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 938.13 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C25H22Au2Br2P2 |
| Molecular Weight | 938.13 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
| Halogen Content | Br-containing |
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