| CAS No. | 1359986-21-2 |
| Molecular Formula | C33H53OP |
| Molecular Weight | 496.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
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.
Bis(1,1-dimethylethyl)[4-methoxy-3,5,6-trimethyl-2',4',6'-tris(1-methylethyl)[1,1'-biphenyl]-2-yl]phosphine (CAS 1359986-21-2) is a high-purity analytical reference standard with the molecular formula C33H53OP and a molecular weight of 496.75 g/mol.
The molecular framework of Bis(1,1-dimethylethyl)[4-methoxy-3,5,6-trimethyl-2',4',6'-tris(1-methylethyl)[1,1'-biphenyl]-2-yl]phosphine (C33H53OP) is characterized by organophosphorus functionality, a hydroxyl group, an ether linkage, a polycyclic aromatic system. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
| Molecular Formula | C33H53OP |
| Molecular Weight | 496.75 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |