(Benzenethiolato)(triphenylphosphine)gold CAS 14243-58-4
| CAS No. | 14243-58-4 |
| Molecular Formula | C24H22AuPS |
| Molecular Weight | 570.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 570.44 g/mol gives (Benzenethiolato)(triphenylphosphine)gold distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(Benzenethiolato)(triphenylphosphine)gold (CAS 14243-58-4), molecular formula C24H22AuPS and molecular weight 570.44 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (Benzenethiolato)(triphenylphosphine)gold (C24H22AuPS) contains sulfur-containing functionality, organophosphorus functionality, a polycyclic aromatic system. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 570.44 g/mol, it falls into the moderately-high-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).
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), (Benzenethiolato)(triphenylphosphine)gold 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 | C24H22AuPS |
| Molecular Weight | 570.44 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | 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.) | 1961 |
| Sulfur Atoms | 1 |
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